Duck Key Weather Forecast 15 Days, Weather in Duck Key Today

Current weather conditions and 15 day weather forecast for Duck Key, Florida, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Duck Key

18 September 2026 Friday
29.1 ° C / 84.4°F
Sunny
Sunny
Feels Like : 33 ° C / 91.4°F
Humidity : % 70
Pressure : 1014 mb
Wind Speed : 10.1 kmph / 6.3 miles from SESE
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 5

15 day weather forecast for Duck Key, FL, USA

Weather Forecast for next 15 Days for Duck Key including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Duck Key, Florida state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
18 September 2026 Friday Sunny Sunny 28.2 ° C
(82.8°F)
29.6 ° C
(85.2°F)
29 ° C
(84.2°F)
% 72 64% 9.5 Sunrise:07:10 AM
Sunset: 07:24 PM
Moonrise:02:27 PM
Moonset: 12:01 AM
Moon Phase
( First Quarter )
19 September 2026 Saturday Overcast Overcast 27.4 ° C
(81.3°F)
29.3 ° C
(84.8°F)
28.9 ° C
(83.9°F)
% 72 76% 6.5 Sunrise:07:11 AM
Sunset: 07:23 PM
Moonrise:03:16 PM
Moonset: 12:55 AM
Moon Phase
( First Quarter )
20 September 2026 Sunday Overcast Overcast 28 ° C
(82.5°F)
29.3 ° C
(84.7°F)
28.7 ° C
(83.7°F)
% 69 79% 10.2 Sunrise:07:11 AM
Sunset: 07:22 PM
Moonrise:03:59 PM
Moonset: 01:50 AM
Moon Phase
( Waxing Gibbous )
21 September 2026 Monday Overcast Overcast 27.8 ° C
(82.1°F)
29.1 ° C
(84.4°F)
28.7 ° C
(83.7°F)
% 69 67% 10.2 Sunrise:07:11 AM
Sunset: 07:21 PM
Moonrise:04:38 PM
Moonset: 02:46 AM
Moon Phase
( Waxing Gibbous )
22 September 2026 Tuesday Overcast Overcast 28.1 ° C
(82.5°F)
29.1 ° C
(84.4°F)
28.5 ° C
(83.3°F)
% 71 47% 7 Sunrise:07:12 AM
Sunset: 07:20 PM
Moonrise:05:12 PM
Moonset: 03:40 AM
Moon Phase
( Waxing Gibbous )
23 September 2026 Wednesday Overcast Overcast 26.4 ° C
(79.6°F)
29.3 ° C
(84.7°F)
28.3 ° C
(82.9°F)
% 71 81% 6 Sunrise:07:12 AM
Sunset: 07:19 PM
Moonrise:05:44 PM
Moonset: 04:33 AM
Moon Phase
( Waxing Gibbous )
24 September 2026 Thursday Overcast Overcast 27.7 ° C
(81.9°F)
29.2 ° C
(84.5°F)
28.5 ° C
(83.3°F)
% 71 19% 6 Sunrise:07:13 AM
Sunset: 07:18 PM
Moonrise:06:14 PM
Moonset: 05:25 AM
Moon Phase
( Full Moon )
25 September 2026 Friday Light rain shower Light rain shower 27.5 ° C
(81.5°F)
28.9 ° C
(84°F)
28.1 ° C
(82.5°F)
% 75 82% 6 Sunrise:07:13 AM
Sunset: 07:17 PM
Moonrise:06:43 PM
Moonset: 06:16 AM
Moon Phase
( Full Moon )
26 September 2026 Saturday Sunny Sunny 27.7 ° C
(81.9°F)
28.8 ° C
(83.8°F)
28.2 ° C
(82.8°F)
% 73 39% 7 Sunrise:07:13 AM
Sunset: 07:16 PM
Moonrise:07:13 PM
Moonset: 07:09 AM
Moon Phase
( Full Moon )
27 September 2026 Sunday Light rain shower Light rain shower 26.8 ° C
(80.2°F)
28.6 ° C
(83.4°F)
27.9 ° C
(82.3°F)
% 75 85% 6 Sunrise:07:14 AM
Sunset: 07:15 PM
Moonrise:07:45 PM
Moonset: 08:02 AM
Moon Phase
( Waning Gibbous )
28 September 2026 Monday Light rain shower Light rain shower 27.1 ° C
(80.8°F)
28.8 ° C
(83.9°F)
27.8 ° C
(82°F)
% 80 87% 6 Sunrise:07:14 AM
Sunset: 07:14 PM
Moonrise:08:19 PM
Moonset: 08:58 AM
Moon Phase
( Waning Gibbous )
29 September 2026 Tuesday Light rain shower Light rain shower 27.6 ° C
(81.8°F)
29.6 ° C
(85.4°F)
28.8 ° C
(83.8°F)
% 78 85% 6 Sunrise:07:14 AM
Sunset: 07:12 PM
Moonrise:08:59 PM
Moonset: 09:56 AM
Moon Phase
( Waning Gibbous )
30 September 2026 Wednesday Overcast Overcast 29 ° C
(84.2°F)
29.5 ° C
(85.1°F)
29.3 ° C
(84.7°F)
% 76 74% 6 Sunrise:07:15 AM
Sunset: 07:11 PM
Moonrise:09:44 PM
Moonset: 10:57 AM
Moon Phase
( Waning Gibbous )
01 October 2026 Thursday Overcast Overcast 28.9 ° C
(84.1°F)
29.3 ° C
(84.7°F)
29.1 ° C
(84.4°F)
% 75 20% 7 Sunrise:07:15 AM
Sunset: 07:10 PM
Moonrise:10:37 PM
Moonset: 12:00 PM
Moon Phase
( Last Quarter )
Duck Key Weather forecasts are usually fully updated every 4 hours.
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