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 Calm
Barometer 30.11 in (1019.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 25 Dec 6:53 pm EST
Extended Forecast for

Lower Matecumbe Beach FL

  • Tonight

    Tonight: A slight chance of showers. Partly cloudy, with a low around 69. North wind around 5 mph. Chance of precipitation is 10%.

    Low: 69 °F

    Slight Chance
    Showers

  • 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 68. Calm wind becoming north around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

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

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

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

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers. Partly cloudy, with a low around 69. North wind around 5 mph. Chance of precipitation is 10%.
Friday
Sunny, with a high near 78. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 68. Calm wind becoming north around 5 mph.
Saturday
Sunny, with a high near 78. North wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 70.
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. Mostly clear, with a low around 59. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 72. Chance of precipitation is 10%.
Wednesday Night
Mostly clear, with a low around 62.
New Year's Day
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lower Matecumbe Beach FL
 24.85°N 80.73°W (Elev. 0 ft)
Last Update:
7:15 pm EST Dec 25, 2025
Forecast Valid:
7pm EST Dec 25, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation