St. Marks Weather Forecast 15 Days, Weather in St. Marks Today

Current weather conditions and 15 day weather forecast for St. Marks, 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 St. Marks

23 September 2026 Wednesday
33.9 ° C / 93°F
Partly Cloudy
Partly Cloudy
Feels Like : 35.5 ° C / 95.9°F
Humidity : % 41
Pressure : 1015 mb
Wind Speed : 11.5 kmph / 7.2 miles from NENE
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 58

15 day weather forecast for St. Marks, FL, USA

Weather Forecast for next 15 Days for St. Marks 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 St. Marks, 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
23 September 2026 Wednesday Sunny Sunny 22.9 ° C
(73.2°F)
33.9 ° C
(93°F)
27.1 ° C
(80.8°F)
% 70 57% 8.6 Sunrise:07:25 AM
Sunset: 07:32 PM
Moonrise:06:03 PM
Moonset: 04:39 AM
Moon Phase
( Waxing Gibbous )
24 September 2026 Thursday Sunny Sunny 21.1 ° C
(69.9°F)
29.9 ° C
(85.7°F)
24.8 ° C
(76.6°F)
% 66 7% 8.6 Sunrise:07:26 AM
Sunset: 07:31 PM
Moonrise:06:30 PM
Moonset: 05:34 AM
Moon Phase
( Full Moon )
25 September 2026 Friday Sunny Sunny 17 ° C
(62.6°F)
28.8 ° C
(83.8°F)
22.4 ° C
(72.3°F)
% 59 4% 8.4 Sunrise:07:26 AM
Sunset: 07:30 PM
Moonrise:06:56 PM
Moonset: 06:29 AM
Moon Phase
( Full Moon )
26 September 2026 Saturday Sunny Sunny 15.3 ° C
(59.5°F)
29.9 ° C
(85.9°F)
22 ° C
(71.6°F)
% 43 4% 8.1 Sunrise:07:27 AM
Sunset: 07:28 PM
Moonrise:07:23 PM
Moonset: 07:24 AM
Moon Phase
( Full Moon )
27 September 2026 Sunday Overcast Overcast 17.7 ° C
(63.8°F)
31.9 ° C
(89.4°F)
24.7 ° C
(76.5°F)
% 56 11% 8 Sunrise:07:28 AM
Sunset: 07:27 PM
Moonrise:07:52 PM
Moonset: 08:20 AM
Moon Phase
( Waning Gibbous )
28 September 2026 Monday Overcast Overcast 19.5 ° C
(67°F)
31.4 ° C
(88.4°F)
24.3 ° C
(75.8°F)
% 60 9% 7 Sunrise:07:28 AM
Sunset: 07:26 PM
Moonrise:08:24 PM
Moonset: 09:19 AM
Moon Phase
( Waning Gibbous )
29 September 2026 Tuesday Sunny Sunny 20.2 ° C
(68.4°F)
31.8 ° C
(89.3°F)
25.1 ° C
(77.1°F)
% 65 4% 8 Sunrise:07:29 AM
Sunset: 07:25 PM
Moonrise:09:01 PM
Moonset: 10:20 AM
Moon Phase
( Waning Gibbous )
30 September 2026 Wednesday Overcast Overcast 21.7 ° C
(71°F)
30.4 ° C
(86.6°F)
25.5 ° C
(77.9°F)
% 75 39% 7 Sunrise:07:29 AM
Sunset: 07:23 PM
Moonrise:09:44 PM
Moonset: 11:24 AM
Moon Phase
( Waning Gibbous )
01 October 2026 Thursday Overcast Overcast 22.8 ° C
(73.1°F)
31.6 ° C
(88.9°F)
26.1 ° C
(79°F)
% 70 19% 7 Sunrise:07:30 AM
Sunset: 07:22 PM
Moonrise:10:35 PM
Moonset: 12:29 PM
Moon Phase
( Last Quarter )
02 October 2026 Friday Overcast Overcast 22.5 ° C
(72.5°F)
32.8 ° C
(91.1°F)
26.7 ° C
(80.1°F)
% 68 9% 8 Sunrise:07:30 AM
Sunset: 07:21 PM
Moonrise:11:34 PM
Moonset: 01:32 PM
Moon Phase
( Last Quarter )
03 October 2026 Saturday Sunny Sunny 24.3 ° C
(75.7°F)
33.8 ° C
(92.8°F)
28.1 ° C
(82.5°F)
% 57 6% 8 Sunrise:07:31 AM
Sunset: 07:20 PM
Moonrise:Does not rise today
Moonset: 02:30 PM
Moon Phase
( Last Quarter )
04 October 2026 Sunday Overcast Overcast 22.4 ° C
(72.3°F)
32.8 ° C
(91.1°F)
26.8 ° C
(80.3°F)
% 61 9% 7 Sunrise:07:32 AM
Sunset: 07:19 PM
Moonrise:12:39 AM
Moonset: 03:22 PM
Moon Phase
( Last Quarter )
05 October 2026 Monday Overcast Overcast 23.4 ° C
(74.1°F)
30.7 ° C
(87.2°F)
25.9 ° C
(78.5°F)
% 70 48% 7 Sunrise:07:32 AM
Sunset: 07:17 PM
Moonrise:01:49 AM
Moonset: 04:07 PM
Moon Phase
( Waning Crescent )
06 October 2026 Tuesday Sunny Sunny 22.6 ° C
(72.7°F)
34.4 ° C
(93.8°F)
27.4 ° C
(81.4°F)
% 63 8% 8 Sunrise:07:33 AM
Sunset: 07:16 PM
Moonrise:02:59 AM
Moonset: 04:47 PM
Moon Phase
( Waning Crescent )
St. Marks Weather forecasts are usually fully updated every 4 hours.
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