10-day forecast for Duck Key, FL: 73° to 83°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Tuesday, October 27
80° · 0.15 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2682° / 75°0.15
Morning76°feels 78°
Afternoon82°feels 86°
Evening80°feels 80°
Overnight75°feels 77°
82 °
Duck Key, Monday, 26 October
Light rain. High 82°, low 75°.
Pressure29.97 inHg
Wind25.6 mph NE
Humidity71%
Visibility6.2 mi
Dew point71°
Tue, 2783° / 76°0.01
Morning77°feels 78°
Afternoon82°feels 87°
Evening80°feels 80°
Overnight77°feels 78°
83 °
Duck Key, Tuesday, 27 October
Light rain. High 83°, low 76°.
Pressure29.97 inHg
Wind23 mph NE
Humidity70%
Visibility6.2 mi
Dew point71°
Wed, 2882° / 78°0.09
Morning78°feels 79°
Afternoon82°feels 87°
Evening81°feels 86°
Overnight78°feels 79°
82 °
Duck Key, Wednesday, 28 October
Light rain. High 82°, low 78°.
Pressure29.94 inHg
Wind16.4 mph NE
Humidity81%
Visibility6.2 mi
Dew point74°
Thu, 2982° / 81°0.02
Morning82°feels 87°
Afternoon82°feels 88°
Evening82°feels 87°
Overnight82°feels 87°
82 °
Duck Key, Thursday, 29 October
Light rain. High 82°, low 81°.
Pressure29.94 inHg
Wind14.4 mph E
Humidity76%
Visibility—
Dew point74°
Fri, 3081° / 78°0.13
Morning81°feels 86°
Afternoon80°feels 84°
Evening79°feels 79°
Overnight78°feels 80°
81 °
Duck Key, Friday, 30 October
Light rain. High 81°, low 78°.
Pressure29.97 inHg
Wind16.6 mph NE
Humidity78%
Visibility—
Dew point73°
Sat, 3178° / 77°0.04
Morning77°feels 79°
Afternoon77°feels 79°
Evening77°feels 79°
Overnight78°feels 79°
78 °
Duck Key, Saturday, 31 October
Light rain. High 78°, low 77°.
Pressure29.97 inHg
Wind17.1 mph NE
Humidity87%
Visibility—
Dew point73°
Sun, 0178° / 77°0.09
Morning77°feels 79°
Afternoon78°feels 79°
Evening78°feels 79°
Overnight77°feels 79°
78 °
Duck Key, Sunday, 1 November
Light rain. High 78°, low 77°.
Pressure30.03 inHg
Wind19.3 mph NE
Humidity85%
Visibility—
Dew point73°
Mon, 0278° / 77°0.01
Morning77°feels 78°
Afternoon78°feels 79°
Evening77°feels 79°
Overnight77°feels 78°
78 °
Duck Key, Monday, 2 November
Light rain. High 78°, low 77°.
Pressure30.00 inHg
Wind16.8 mph NE
Humidity85%
Visibility—
Dew point73°
Tue, 0377° / 76°0.01
Morning76°feels 77°
Afternoon77°feels 78°
Evening77°feels 78°
Overnight76°feels 78°
77 °
Duck Key, Tuesday, 3 November
Light rain. High 77°, low 76°.
Pressure29.97 inHg
Wind16.2 mph E
Humidity79%
Visibility—
Dew point70°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Duck Key, FL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.