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

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

72°F

22°C

Humidity 79%
Wind Speed N 6 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 26 Dec 12:53 am EST
Extended Forecast for

Lower Matecumbe Beach FL

  • Overnight

    Overnight: Mostly clear, with a low around 69. Northwest wind 5 to 10 mph.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. North wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Northeast wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North wind around 5 mph becoming calm in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Calm wind becoming north around 5 mph after midnight.

    Low: 69 °F

    Mostly Clear

  • 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

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 78. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph.
Saturday
Sunny, with a high near 78. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 69. Calm wind becoming north around 5 mph after midnight.
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 70.
Tuesday
Sunny, with a high near 77.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 62. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 59.
New Year's Day
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lower Matecumbe Beach FL
 24.87°N 80.73°W (Elev. 0 ft)
Last Update:
12:47 am EST Dec 26, 2025
Forecast Valid:
1am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation