Weather in Johnston Harbour ⛅ (Johnston Atoll), United States Minor Outlying Islands - Weather Forecast

Sat

Apr 27
Slightly unstable

~2 l/m² 24%

25 °C low

26 °C high

25 / 26 km/h

Sat Apr 27

Sun

Apr 28
Slightly unstable

~6 l/m² 41%

25 °C low

26 °C high

24 / 26 km/h

Sun Apr 28

Mon

Apr 29
Slightly unstable

~3 l/m² 24%

25 °C low

25 °C high

23 / 26 km/h

Mon Apr 29

Tue

Apr 30
Mostly stable

~0.3 l/m² 16%

25 °C low

26 °C high

31 / 33 km/h

Tue Apr 30

Wed

May 1
Slightly unstable

~1 l/m² 19%

25 °C low

26 °C high

32 / 35 km/h

Wed May 1

Thu

May 2
Slightly unstable

~0.2 l/m² 12%

25 °C low

25 °C high

35 / 40 km/h

Thu May 2

Fri

May 3
Slightly unstable

25 °C low

25 °C high

35 / 39 km/h

Fri May 3

27 Apr will be with comfortable temperatures and the weather will be slightly unstable, thunderstorms possible.
There is a 24% probability of light rainfall and showers.
The sky will be cloudy:

61% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)

1% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)

9% convective clouds (Cumulonimbus)

The highest temperature will reach 26 degrees Celsius, while the the lowest temperature will drop to 24 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1014 mb. Relative humidity will be very high.

Saturday
Weather

Precipitation mm probability

Showers (% of Precipitation)

Temperature °C

Felt temperature °C

Temperature low | high °C

Wind speed

Wind gusts

Atmospheric pressure

Relative humidity

Isotherm 0°C

Boundary Layer

Heat index

05:00

0.4 24%

100%

25 °C

26 °C

25 km/h

26 km/h

1014 mb

80.5%

4,843 m

662 m

Apr, 27 05:00 @ Slightly unstable

08:00

0.9 19%

100%

25 °C

26 °C

24 km/h

26 km/h

1016 mb

79.5%

4,784 m

644 m

Apr, 27 08:00 @ Slightly unstable

11:00

0.3 12%

100%

25 °C

27 °C

24 km/h

26 km/h

1016 mb

78.7%

4,762 m

701 m

Apr, 27 11:00 @ Slightly unstable

14:00

0.3 14%

100%

26 °C

27 °C

21 km/h

23 km/h

1015 mb

76.7%

4,720 m

697 m

Apr, 27 14:00 @ Slightly unstable

17:00

26 °C

27 °C

21 km/h

22 km/h

1014 mb

76.3%

4,697 m

685 m

Apr, 27 17:00 @ Slightly unstable

20:00

25 °C

27 °C

22 km/h

24 km/h

1015 mb

81.6%

4,784 m

696 m

Apr, 27 20:00 @ Slightly unstable

23:00

25 °C

27 °C

25 km/h

26 km/h

1016 mb

81.1%

4,856 m

714 m

Apr, 27 23:00 @ Slightly unstable

28 Apr will be with comfortable temperatures and the weather will be slightly unstable, thunderstorms possible.
There is a 41% probability of light rainfall and showers.
The sky will be overcast:

97% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)

5% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)

2% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)

29% convective clouds (Cumulonimbus)

Sunday
Weather

Precipitation mm probability

Showers (% of Precipitation)

Temperature °C

Felt temperature °C

Temperature low | high °C

Wind speed

Wind gusts

Atmospheric pressure

Relative humidity

Isotherm 0°C

Boundary Layer

Heat index

02:00

25 °C

26 °C

22 km/h

24 km/h

1014 mb

82.4%

4,903 m

599 m

Apr, 28 02:00 @ Slightly unstable

05:00

0.5 27%

100%

25 °C

26 °C

20 km/h

22 km/h

1013 mb

82.6%

4,867 m

469 m

Apr, 28 05:00 @ Slightly unstable

08:00

1.7 41%

100%

25 °C

26 °C

20 km/h

22 km/h

1014 mb

82.1%

4,871 m

431 m

Apr, 28 08:00 @ Slightly unstable

11:00

1.3 35%

100%

25 °C

27 °C

21 km/h

23 km/h

1016 mb

81.4%

4,782 m

438 m

Apr, 28 11:00 @ Slightly unstable

14:00

1.6 23%

100%

26 °C

27 °C

24 km/h

25 km/h

1014 mb

79.2%

4,758 m

596 m

Apr, 28 14:00 @ Slightly unstable

17:00

26 °C

27 °C

21 km/h

22 km/h

1013 mb

79.0%

4,705 m

669 m

Apr, 28 17:00 @ Slightly unstable

20:00

0.3 29%

100%

25 °C

27 °C

22 km/h

24 km/h

1015 mb

82.7%

4,798 m

597 m

Apr, 28 20:00 @ Slightly unstable

23:00

0.6 24%

100%

25 °C

27 °C

23 km/h

26 km/h

1016 mb

81.7%

4,744 m

615 m

Apr, 28 23:00 @ Slightly unstable

29 Apr will be with comfortable temperatures and the weather will be slightly unstable, thunderstorms possible.
There is a 24% probability of light rainfall and showers.
The sky will be overcast:

99% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)

18% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)

7% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)

10% convective clouds (Cumulonimbus)

The highest temperature will reach 26 degrees Celsius, while the the lowest temperature will drop to 25 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1014 mb. Relative humidity will be very high.

Monday
Weather

Precipitation mm probability

Showers (% of Precipitation)

Temperature °C

Felt temperature °C

Temperature low | high °C

Wind speed

Wind gusts

Atmospheric pressure

Relative humidity

Isotherm 0°C

Boundary Layer

Heat index

02:00

0.7 24%

100%

25 °C

27 °C

23 km/h

25 km/h

1014 mb

82.6%

4,786 m

687 m

Apr, 29 02:00 @ Slightly unstable

05:00

0.6 20%

100%

25 °C

26 °C

22 km/h

24 km/h

1013 mb

81.1%

4,769 m

658 m

Apr, 29 05:00 @ Slightly unstable

08:00

0.7 23%

100%

25 °C

27 °C

23 km/h

24 km/h

1014 mb

80.4%

4,780 m

719 m

Apr, 29 08:00 @ Slightly unstable

11:00

0.2 16%

100%

25 °C

27 °C

22 km/h

24 km/h

1016 mb

80.6%

4,719 m

708 m

Apr, 29 11:00 @ Slightly unstable

14:00

0.4 22%

100%

25 °C

27 °C

22 km/h

24 km/h

1014 mb

80.6%

4,712 m

708 m

Apr, 29 14:00 @ Slightly unstable

17:00

25 °C

27 °C

23 km/h

26 km/h

1012 mb

80.5%

4,846 m

709 m

Apr, 29 17:00 @ Slightly unstable

20:00

25 °C

27 °C

23 km/h

26 km/h

1014 mb

81.3%

4,804 m

737 m

Apr, 29 20:00 @ Slightly unstable

23:00

25 °C

27 °C

21 km/h

23 km/h

1016 mb

79.8%

4,708 m

716 m

Apr, 29 23:00 @ Slightly unstable

30 Apr will be with comfortable temperatures and the weather will be stable, thunderstorms not likely.
There is a 16% probability of light rainfall and showers.
The sky will be overcast:

94% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)

2% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)

11% convective clouds (Cumulonimbus)

The highest temperature will reach 26 degrees Celsius, while the the lowest temperature will drop to 25 degrees Celsius. The wind will be a fresh breeze, and the mean air pressure will be 1013 mb. Relative humidity will be very high.

Tuesday
Weather

Precipitation mm probability

Showers (% of Precipitation)

Temperature °C

Felt temperature °C

Temperature low | high °C

Wind speed

Wind gusts

Atmospheric pressure

Relative humidity

Isotherm 0°C

Boundary Layer

Heat index

02:00

25 °C

27 °C

20 km/h

21 km/h

1014 mb

79.5%

4,717 m

714 m

Apr, 30 02:00 @ Slightly unstable

05:00

25 °C

26 °C

20 km/h

21 km/h

1013 mb

79.4%

4,616 m

717 m

Apr, 30 05:00 @ Slightly unstable

08:00

25 °C

26 °C

24 km/h

26 km/h

1014 mb

80.3%

4,682 m

721 m

Apr, 30 08:00 @ Slightly unstable

11:00

25 °C

26 °C

31 km/h

33 km/h

1014 mb

80.3%

4,887 m

830 m

Apr, 30 11:00 @ Slightly unstable

14:00

25 °C

27 °C

24 km/h

26 km/h

1013 mb

77.9%

4,888 m

810 m

Apr, 30 14:00 @ Mostly stable

17:00

26 °C

27 °C

21 km/h

25 km/h

1012 mb

76.2%

4,628 m

740 m

Apr, 30 17:00 @ Mostly stable

20:00

25 °C

27 °C

29 km/h

31 km/h

1013 mb

80.6%

4,578 m

796 m

Apr, 30 20:00 @ Mostly stable

23:00

0.2 16%

100%

25 °C

27 °C

27 km/h

32 km/h

1015 mb

80.4%

4,624 m

855 m

Apr, 30 23:00 @ Slightly unstable

1 May will be with comfortable temperatures and the weather will be slightly unstable, thunderstorms possible.
There is a 19% probability of light rainfall and showers.
The sky will be slightly cloudy:

13% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)

1% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)

15% convective clouds (Cumulonimbus)

Wednesday
Weather

Precipitation mm probability

Showers (% of Precipitation)

Temperature °C

Felt temperature °C

Temperature low | high °C

Wind speed

Wind gusts

Atmospheric pressure

Relative humidity

Isotherm 0°C

Boundary Layer

Heat index

02:00

0.2 16%

100%

25 °C

26 °C

29 km/h

31 km/h

1013 mb

78.1%

4,613 m

887 m

May, 1 02:00 @ Mostly stable

05:00

25 °C

26 °C

26 km/h

29 km/h

1012 mb

77.5%

4,585 m

870 m

May, 1 05:00 @ Mostly stable

08:00

25 °C

26 °C

26 km/h

29 km/h

1014 mb

78.0%

4,450 m

812 m

May, 1 08:00 @ Mostly stable

11:00

25 °C

27 °C

30 km/h

33 km/h

1014 mb

78.6%

4,493 m

895 m

May, 1 11:00 @ Slightly unstable

14:00

0.2 16%

100%

25 °C

27 °C

29 km/h

31 km/h

1013 mb

78.0%

4,514 m

876 m

May, 1 14:00 @ Slightly unstable

17:00

26 °C

27 °C

29 km/h

32 km/h

1012 mb

77.7%

4,554 m

926 m

May, 1 17:00 @ Slightly unstable

20:00

0.2 19%

100%

25 °C

27 °C

31 km/h

34 km/h

1013 mb

81.0%

4,567 m

835 m

May, 1 20:00 @ Slightly unstable

23:00

25 °C

27 °C

32 km/h

35 km/h

1015 mb

80.7%

4,500 m

864 m

May, 1 23:00 @ Slightly unstable

2 May will be with comfortable temperatures and the weather will be slightly unstable, thunderstorms possible.
There is a 12% probability of light rainfall and showers.
The sky will be cloudy:

67% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)

2% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)

9% convective clouds (Cumulonimbus)

The highest temperature will reach 26 degrees Celsius, while the the lowest temperature will drop to 24 degrees Celsius. The wind will be a fresh breeze, and the mean air pressure will be 1012 mb. Relative humidity will be very high.

Thursday
Weather

Precipitation mm probability

Showers (% of Precipitation)

Temperature °C

Felt temperature °C

Temperature low | high °C

Wind speed

Wind gusts

Atmospheric pressure

Relative humidity

Isotherm 0°C

Boundary Layer

Heat index

02:00

25 °C

26 °C

30 km/h

33 km/h

1013 mb

79.1%

4,389 m

871 m

May, 2 02:00 @ Slightly unstable

05:00

25 °C

26 °C

33 km/h

36 km/h

1012 mb

79.5%

4,379 m

889 m

May, 2 05:00 @ Slightly unstable

08:00

0.2 12%

100%

25 °C

26 °C

33 km/h

36 km/h

1013 mb

79.5%

4,352 m

891 m

May, 2 08:00 @ Slightly unstable

11:00

25 °C

26 °C

35 km/h

38 km/h

1014 mb

80.3%

4,380 m

917 m

May, 2 11:00 @ Slightly unstable

14:00

25 °C

27 °C

30 km/h

36 km/h

1013 mb

77.8%

4,341 m

890 m

May, 2 14:00 @ Slightly unstable

17:00

25 °C

27 °C

32 km/h

36 km/h

1011 mb

81.3%

4,375 m

851 m

May, 2 17:00 @ Slightly unstable

20:00

25 °C

27 °C

33 km/h

38 km/h

1013 mb

84.0%

4,401 m

870 m

May, 2 20:00 @ Slightly unstable

23:00

25 °C

26 °C

34 km/h

40 km/h

1014 mb

83.4%

4,336 m

880 m

May, 2 23:00 @ Slightly unstable

3 May will be with comfortable temperatures and the weather will be unstable, thunderstorms likely.
The sky will be overcast:

99% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)

3% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)

9% convective clouds (Cumulonimbus)

Friday
Weather

Temperature °C

Felt temperature °C

Temperature low | high °C

Wind speed

Wind gusts

Atmospheric pressure

Relative humidity

Isotherm 0°C

Boundary Layer

Heat index

02:00

25 °C

26 °C

35 km/h

38 km/h

1013 mb

79.5%

4,253 m

984 m

May, 3 02:00 @ Slightly unstable

05:00

25 °C

26 °C

33 km/h

38 km/h

1012 mb

78.2%

4,222 m

978 m

May, 3 05:00 @ Slightly unstable

08:00

25 °C

26 °C

33 km/h

38 km/h

1014 mb

79.3%

4,207 m

991 m

May, 3 08:00 @ Slightly unstable

11:00

25 °C

26 °C

33 km/h

39 km/h

1014 mb

79.5%

4,266 m

976 m

May, 3 11:00 @ Slightly unstable

14:00

25 °C

27 °C

31 km/h

36 km/h

1013 mb

77.3%

4,307 m

886 m

May, 3 14:00 @ Slightly unstable

17:00

25 °C

27 °C

32 km/h

35 km/h

1012 mb

79.8%

4,304 m

878 m

May, 3 17:00 @ Slightly unstable

20:00

25 °C

27 °C

32 km/h

38 km/h

1013 mb

81.2%

4,305 m

916 m

May, 3 20:00 @ Slightly unstable

23:00

25 °C

26 °C

35 km/h

38 km/h

1014 mb

80.8%

4,265 m

905 m

May, 3 23:00 @ Slightly unstable

4 May will be with comfortable temperatures and the weather will be .
The sky will be :

79% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)

60% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)

9% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)

22% convective clouds (Cumulonimbus)

Saturday
Weather

Temperature °C

Felt temperature °C

Temperature low | high °C

Wind speed

Wind gusts

Atmospheric pressure

Relative humidity

Isotherm 0°C

Boundary Layer

Heat index

02:00

25 °C

26 °C

33 km/h

36 km/h

1013 mb

77.3%

4,207 m

987 m

May, 4 02:00 @ Slightly unstable

05:00

25 °C

26 °C

33 km/h

37 km/h

1012 mb

77.2%

4,168 m

959 m

May, 4 05:00 @ Slightly unstable

08:00

25 °C

26 °C

34 km/h

37 km/h

1014 mb

77.1%

4,164 m

943 m

May, 4 08:00 @ Slightly unstable

11:00

25 °C

27 °C

33 km/h

37 km/h

1014 mb

78.2%

4,189 m

921 m

May, 4 11:00 @ Slightly unstable

Johnston Harbour (~12 m asl)

harbor(s)

United States Minor Outlying Islands

Johnston Atoll

Latitude: 16.73682 and Longitude: -169.528
Local time (Pacific/Johnston | GMT -10): 13:25
Sunrise: 06:54 - Sunset: 19:36

Graph Johnston Harbour

Near Johnston Harbour

Weather in Seaplane Landing Area - 0 km - seaplane landing area
Weather in Johnston Atoll - 1 km - atoll(s)
Weather in Main Channel - 1 km - channel
Weather in frmr JACADS Chemical Agent Disposal System - 1 km - abandoned factory
Weather in Surfacing Coral Reef - 1 km - coral reef(s)
Weather in Artificial Sand Island - 1 km - artificial island
Weather in Johnston Island - 1 km - island
Weather in frmr Chemical Weapons Storage 1970s - 2 km - military installation
Weather in Closed US Air Force Airfield - 2 km - abandoned airfield
Weather in Sand Island - 2 km - island
Weather in Secondary West Channel - 2 km - channel
Weather in Guano Digging Area 1880s - 2 km - abandoned mine
Weather in Johnston Atoll - 3 km - first-order administrative division
Weather in frmr Rocket Firing Range - 3 km - military installation
Weather in Akau Artificial Island - 3 km - artificial island

Cloud cover

Temperature

Sat, Apr 27

Sun, Apr 28

Mon, Apr 29

Tue, Apr 30

Wed, May 1

Thu, May 2

Fri, May 3

Sat, May 4