Key West area weather, town by town
13 places in Key West area, Florida, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1945 to 2026. Station extremes, not official state records.
Key West area Weather Facts
Key West area has 13 places on myweatherrock (8 census-designated places, 4 cities, 1 villages), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 103°F at Key West Nas on September 22, 2017. The coldest night is 34°F at John Pennekamp Sp on January 10, 2010. The wettest day brought 22.75 inches of rain at Key W Intl Ap on November 11, 1980. The biggest single-day snow measured 0 inches at Key W Intl Ap on January 1, 1948. Those are station measurements from NOAA's daily records, 1945 to 2026, not official state records. By area the largest place is North Key Largo, about 19 square miles.
About Key West area weather
The map on the Now tab shows every Key West area town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 13 Key West area towns with station normals, the warmest month is August, when the day usually reaches 91°F, and the coldest is January, when the night usually falls to 64°F. September is the wettest, with rain on about 14 days. January nights run from about 62°F in Islamorada, Village of Islands to 65°F in Big Coppitt Key.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Key West area weather records
Measured at the NOAA stations serving these towns, daily records 1945 to 2026. Station extremes, not official state records.
Common questions about Key West area weather
- What is the hottest temperature recorded at a Key West area station?
- 103°F at Key West Nas on September 22, 2017, in the NOAA daily station records myweatherrock holds (1945 to 2026).
- What is the coldest temperature recorded at a Key West area station?
- 34°F at John Pennekamp Sp on January 10, 2010.
- What is the most rain a Key West area station has measured in one day?
- 22.75 inches at Key W Intl Ap on November 11, 1980.
- What is the biggest one-day snowfall at a Key West area station?
- 0 inches at Key W Intl Ap on January 1, 1948.
- How many Key West area towns have a weather page here?
- 13: 8 census-designated places, 4 cities, 1 villages. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Key West area forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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