St. Augustine South Weather Forecast 15 Days, Weather in St. Augustine South Today

Current weather conditions and 15 day weather forecast for St. Augustine South, 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. Augustine South

21 September 2026 Monday
24.5 ° C / 76.1°F
Overcast
Overcast
Feels Like : 28.1 ° C / 82.6°F
Humidity : % 83
Pressure : 1013 mb
Wind Speed : 4 kmph / 2.5 miles from EE
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 100

15 day weather forecast for St. Augustine South, FL, USA

Weather Forecast for next 15 Days for St. Augustine South 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. Augustine South, 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
20 September 2026 Sunday Overcast Overcast 23.7 ° C
(74.7°F)
30.9 ° C
(87.5°F)
26.4 ° C
(79.4°F)
% 75 54% 5.7 Sunrise:07:12 AM
Sunset: 07:24 PM
Moonrise:04:13 PM
Moonset: 01:39 AM
Moon Phase
( Waxing Gibbous )
21 September 2026 Monday Sunny Sunny 23.1 ° C
(73.5°F)
31.3 ° C
(88.3°F)
26.6 ° C
(79.9°F)
% 73 62% 8.3 Sunrise:07:13 AM
Sunset: 07:23 PM
Moonrise:04:50 PM
Moonset: 02:36 AM
Moon Phase
( Waxing Gibbous )
22 September 2026 Tuesday Sunny Sunny 23.1 ° C
(73.7°F)
34.3 ° C
(93.7°F)
27.4 ° C
(81.2°F)
% 72 10% 8.7 Sunrise:07:13 AM
Sunset: 07:22 PM
Moonrise:05:22 PM
Moonset: 03:32 AM
Moon Phase
( Waxing Gibbous )
23 September 2026 Wednesday Sunny Sunny 23.9 ° C
(75°F)
33.4 ° C
(92.1°F)
27.6 ° C
(81.6°F)
% 72 17% 8.3 Sunrise:07:14 AM
Sunset: 07:21 PM
Moonrise:05:51 PM
Moonset: 04:28 AM
Moon Phase
( Waxing Gibbous )
24 September 2026 Thursday Patchy rain nearby Patchy rain nearby 23.1 ° C
(73.5°F)
30.1 ° C
(86.1°F)
25.6 ° C
(78.1°F)
% 81 77% 7.6 Sunrise:07:14 AM
Sunset: 07:19 PM
Moonrise:06:18 PM
Moonset: 05:23 AM
Moon Phase
( Full Moon )
25 September 2026 Friday Patchy rain nearby Patchy rain nearby 21.1 ° C
(69.9°F)
26.8 ° C
(80.2°F)
23.5 ° C
(74.3°F)
% 75 44% 6 Sunrise:07:15 AM
Sunset: 07:18 PM
Moonrise:06:45 PM
Moonset: 06:17 AM
Moon Phase
( Full Moon )
26 September 2026 Saturday Sunny Sunny 19.9 ° C
(67.9°F)
28.4 ° C
(83.2°F)
23 ° C
(73.3°F)
% 58 5% 7 Sunrise:07:15 AM
Sunset: 07:17 PM
Moonrise:07:12 PM
Moonset: 07:12 AM
Moon Phase
( Full Moon )
27 September 2026 Sunday Overcast Overcast 18.8 ° C
(65.9°F)
31.8 ° C
(89.2°F)
24.2 ° C
(75.6°F)
% 49 5% 8 Sunrise:07:16 AM
Sunset: 07:16 PM
Moonrise:07:41 PM
Moonset: 08:08 AM
Moon Phase
( Waning Gibbous )
28 September 2026 Monday Overcast Overcast 21.3 ° C
(70.3°F)
32.1 ° C
(89.8°F)
25.2 ° C
(77.3°F)
% 53 9% 8 Sunrise:07:17 AM
Sunset: 07:14 PM
Moonrise:08:13 PM
Moonset: 09:06 AM
Moon Phase
( Waning Gibbous )
29 September 2026 Tuesday Overcast Overcast 21.3 ° C
(70.3°F)
32.2 ° C
(89.9°F)
25.1 ° C
(77.2°F)
% 58 12% 7 Sunrise:07:17 AM
Sunset: 07:13 PM
Moonrise:08:50 PM
Moonset: 10:08 AM
Moon Phase
( Waning Gibbous )
30 September 2026 Wednesday Cloudy Cloudy 21.6 ° C
(70.9°F)
30.5 ° C
(86.8°F)
25.2 ° C
(77.3°F)
% 66 9% 7 Sunrise:07:18 AM
Sunset: 07:12 PM
Moonrise:09:33 PM
Moonset: 11:11 AM
Moon Phase
( Waning Gibbous )
01 October 2026 Thursday Overcast Overcast 22.7 ° C
(72.8°F)
29.8 ° C
(85.6°F)
25.7 ° C
(78.2°F)
% 69 22% 6 Sunrise:07:18 AM
Sunset: 07:11 PM
Moonrise:10:24 PM
Moonset: 12:16 PM
Moon Phase
( Last Quarter )
02 October 2026 Friday Light rain shower Light rain shower 22.7 ° C
(72.9°F)
25.3 ° C
(77.5°F)
23.7 ° C
(74.7°F)
% 90 91% 5 Sunrise:07:19 AM
Sunset: 07:10 PM
Moonrise:11:23 PM
Moonset: 01:19 PM
Moon Phase
( Last Quarter )
03 October 2026 Saturday Patchy rain nearby Patchy rain nearby 23.4 ° C
(74°F)
30.1 ° C
(86.2°F)
26 ° C
(78.8°F)
% 83 82% 7 Sunrise:07:19 AM
Sunset: 07:08 PM
Moonrise:Does not rise today
Moonset: 02:17 PM
Moon Phase
( Last Quarter )
St. Augustine South Weather forecasts are usually fully updated every 4 hours.
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