
Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley
Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >
Current conditions at
The Florida Keys - Marathon International Airport (KMTH)
Lat: 24.73°NLon: 81.05°WElev: 13ft.
Fair
75°F
24°C
| Humidity | 71% |
| Wind Speed | E 7 mph |
| Barometer | 30.07 in (1018.1 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 21 Nov 1:53 am EST |
Extended Forecast for
Long Key FL
Overnight

Low: 73 °F
Partly Cloudy
Friday

High: 80 °F
Sunny
Friday Night

Low: 72 °F
Partly Cloudy
Saturday

High: 80 °F
Sunny
Saturday Night

Low: 71 °F
Partly Cloudy
Sunday

High: 80 °F
Sunny
Sunday Night

Low: 72 °F
Mostly Clear
Monday

High: 80 °F
Sunny
Monday Night

Low: 73 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 73. East wind around 15 mph.
Friday
Sunny, with a high near 80. East wind around 15 mph.
Friday Night
Partly cloudy, with a low around 72. East wind 10 to 15 mph.
Saturday
Sunny, with a high near 80. Northeast wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 71. Northeast wind around 10 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 10%.
Thanksgiving Day
A slight chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 10%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Long Key FL
24.83°N 80.81°W (Elev. 0 ft)
24.83°N 80.81°W (Elev. 0 ft)
1:17 am EST Nov 21, 2025
2am EST Nov 21, 2025-6pm EST Nov 27, 2025


