National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

71°F

22°C

Humidity 81%
Wind Speed NE 6 mph
Barometer 30.18 in (1022.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 25 Dec 1:53 am EST
Extended Forecast for

Key West FL

  • Overnight

    Overnight: Mostly clear, with a low around 70. Northeast wind around 15 mph.

    Low: 70 °F

    Mostly Clear

  • Christmas Day

    Christmas Day: Sunny, with a high near 77. Northeast wind 10 to 15 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. North wind around 10 mph.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Northeast wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. North wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Northeast wind around 15 mph.
Christmas Day
Sunny, with a high near 77. Northeast wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 69. North wind around 10 mph.
Friday
Sunny, with a high near 77. Northeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 67. North wind around 5 mph.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 69.
Tuesday
A slight chance of showers. Sunny, with a high near 75. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.56°N 81.8°W (Elev. 3 ft)
Last Update:
2:15 am EST Dec 25, 2025
Forecast Valid:
2am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation