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

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Key West Naval Air Station (KNQX)

Lat: 24.58°NLon: 81.68°WElev: 3ft.

A Few Clouds and Breezy

74°F

23°C

Humidity 67%
Wind Speed N 21 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 Mar 4:53 pm EDT
Extended Forecast for

Summerland Key FL

  • This Afternoon

    This Afternoon: A slight chance of showers. Mostly sunny, with a high near 74. North wind around 15 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers. Partly cloudy, with a low around 66. Northeast wind around 15 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Sunny, with a high near 75. North wind around 15 mph. Chance of precipitation is 10%.

    High: 75 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Northeast wind around 10 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. North wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Saturday Night

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

    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 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers. Mostly sunny, with a high near 74. North wind around 15 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers. Partly cloudy, with a low around 66. Northeast wind around 15 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers. Sunny, with a high near 75. North wind around 15 mph. Chance of precipitation is 10%.
Friday Night
Mostly clear, with a low around 66. Northeast wind around 10 mph.
Saturday
Sunny, with a high near 76. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A slight chance of showers. Sunny, with a high near 80. Chance of precipitation is 10%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerland Key FL
 24.66°N 81.43°W (Elev. 0 ft)
Last Update:
5:15 pm EDT Mar 19, 2026
Forecast Valid:
5pm EDT Mar 19, 2026-6pm EDT Mar 26, 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