Duck Key, FL 7-Day Night Weather Forecast
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Duck Key, FL Weather Forecast


Duck Key, FL Weather Forecast Date: 357 PM EDT Wed Sep 23 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... Mostly cloudy with a chance of showers and thunderstorms. Lows near 80. Southwest winds 5 to 10 mph. Chance of rain 50%.
Thursday... Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. West winds near 5 mph. Chance of rain 40%.
Thursday Night... Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Northwest winds 5 to 10 mph. Chance of rain 50%.
Friday... Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. North winds 5 to 10 mph. Chance of rain 40%.
Friday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Northeast winds 5 to 10 mph. Chance of rain 40%.
Saturday... Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40%.
Saturday Night... Mostly clear with a slight chance of showers. Lows in the upper 70s. Chance of rain 20%.
Sunday... Partly cloudy with a chance of showers. Highs in the mid 80s. Chance of rain 40%.
Sunday Night... Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 30%.
Monday... Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 50%.
Monday Night... Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 50%.
Tuesday... Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 60%.
Tuesday Night... Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 60%.
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