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Long Key, FL Weather Forecast
Long Key, FL Weather Forecast Date: 355 PM EDT Sat Sep 05 2026
The area/counties/county of: Monroe Upper Keys, including: The Communities Of Key Largo, Marathon, and Key West.or toggle through each period.
Tonight... Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Variable winds near 5 mph, becoming southeast at 5 to 10 mph. Chance of rain 30%.
Sunday... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Southeast to south near 5 mph, becoming variable. Chance of rain 40%.
Sunday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Southeast to south winds 5 to 10 mph. Chance of rain 30%.
Labor Day... Partly cloudy with a chance of showers and thunderstorms. Highs near 90. South winds near 5 mph. Chance of rain 30%.
Monday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds near 5 mph. Chance of rain 40%.
Tuesday... Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Highs near 90. Chance of rain 30%.
Wednesday... Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Highs near 90. Chance of rain 30%.
Wednesday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 40%.
Thursday... Partly cloudy with a slight chance of showers and thunderstorms. Highs near 90. Lows in the lower 80s. Chance of rain 30%.
Friday... Partly cloudy with a slight chance of showers and thunderstorms. Highs near 90. Lows in the lower 80s. Chance of rain 30%.
POP = Probability of Precipitation
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