
Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday
Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >
Current conditions at
Key West International Airport (KEYW)
Lat: 24.56°NLon: 81.76°WElev: 3ft.
Fair
74°F
23°C
| Humidity | 69% |
| Wind Speed | N 7 mph |
| Barometer | 30.08 in (1019.1 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 23 Mar 7:53 pm EDT |
Extended Forecast for
3 Miles SW Marquesas Keys FL
Tonight

Low: 70 °F
Mostly Clear
Tuesday

High: 74 °F
Sunny
Tuesday Night

Low: 71 °F
Mostly Clear
Wednesday

High: 76 °F
Sunny
Wednesday Night

Low: 72 °F
Mostly Clear
Thursday

High: 77 °F
Sunny
Thursday Night

Low: 73 °F
Mostly Clear
Friday

High: 78 °F
Sunny
Friday Night

Low: 73 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 70. North wind 10 to 15 mph.
Tuesday
Sunny, with a high near 74. Northeast wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 71. Northeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 76. East wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 72. East wind 10 to 15 mph.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 78.
Saturday Night
A slight chance of showers. Mostly clear, with a low around 73. Breezy. Chance of precipitation is 10%.
Sunday
A slight chance of showers. Sunny, with a high near 77. Windy. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 72. Very windy. Chance of precipitation is 20%.
Monday
A slight chance of showers. Mostly sunny, with a high near 76. Windy. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SW Marquesas Keys FL
24.54°N 82.13°W (Elev. 0 ft)
24.54°N 82.13°W (Elev. 0 ft)
7:15 pm EDT Mar 23, 2026
7pm EDT Mar 23, 2026-6pm EDT Mar 30, 2026


