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Weather in Duck Key, FL · National Weather Service + NOAA

Duck Key is snow country

Duck Key has warm winters and warm summers. A typical July afternoon reaches 90°, a January night drops to 64°, and snow is almost unheard of. A typical November afternoon reaches 81°, and nights fall to 71°.

Winter 77°/65°Spring 83°/71°Summer 90°/78°Fall 85°/74°
Right now
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Sunrise 6:31 am · sunset 5:42 pm

Getting the latest forecast from the National Weather Service…

What stands out about Duck Key’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Snow countryAbout 0 inches a winter, more than 910 of 927 Florida towns.Milder winters than most of FloridaJanuary nights average 64°, milder than 950 of 958 Florida towns.It hardly ever freezesOnly 0% of years see a night at 32° or below.Air-conditioning countryMore cooling degree days than 100% of U.S. towns.
A normal year

Where today sits in Duck Key’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
77° / 65°
Snow is rare
Spring
83° / 71°
Frost is rare by spring
Summer
90° / 78°
46 days reach 90° in a normal year
Fall now
85° / 74°
Mild well into the fall
Best months to be outside
JanFebMarAprNovDec
Highs of 62–84° and lows of 40° or more
How much snow does Duck Key get?Almost none.When is it wettest?September, with 6.8 inches.Is it warmer than it used to be?+1.8° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Duck Key.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Duck Key itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Duck Key, FL (1 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.