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

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

18 December 2025 Thursday
22.8 ° C / 73°F
Sunny
Sunny
Feels Like : 25 ° C / 77°F
Humidity : % 81
Pressure : 1017 mb
Wind Speed : 23 kmph / 14.3 miles from ESEESE
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

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

Weather Forecast for next 15 Days for St. Petersburg 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. Petersburg, 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 December 2025 Thursday Sunny Sunny 16.5 ° C
(61.7°F)
25.4 ° C
(77.7°F)
20.6 ° C
(69°F)
% 82 0% 0.7 Sunrise:07:16 AM
Sunset: 05:39 PM
Moonrise:06:10 AM
Moonset: 04:24 PM
Moon Phase
( Waning Crescent )
19 December 2025 Friday Mist Mist 18.7 ° C
(65.6°F)
23.6 ° C
(74.5°F)
21.6 ° C
(70.9°F)
% 91 0% 0.8 Sunrise:07:17 AM
Sunset: 05:40 PM
Moonrise:07:05 AM
Moonset: 05:14 PM
Moon Phase
( New Moon )
20 December 2025 Saturday Fog Fog 16.4 ° C
(61.5°F)
21.4 ° C
(70.5°F)
18.2 ° C
(64.7°F)
% 89 0% 0.9 Sunrise:07:17 AM
Sunset: 05:40 PM
Moonrise:07:58 AM
Moonset: 06:09 PM
Moon Phase
( New Moon )
21 December 2025 Sunday Partly Cloudy  Partly Cloudy 16.9 ° C
(62.4°F)
22.4 ° C
(72.3°F)
19.2 ° C
(66.6°F)
% 71 0% 0.9 Sunrise:07:18 AM
Sunset: 05:41 PM
Moonrise:08:45 AM
Moonset: 07:06 PM
Moon Phase
( Waxing Crescent )
22 December 2025 Monday Sunny Sunny 17 ° C
(62.6°F)
22.8 ° C
(73.1°F)
18.9 ° C
(66°F)
% 72 0% 0 Sunrise:07:18 AM
Sunset: 05:41 PM
Moonrise:09:28 AM
Moonset: 08:05 PM
Moon Phase
( Waxing Crescent )
23 December 2025 Tuesday Partly Cloudy  Partly Cloudy 17.1 ° C
(62.8°F)
22.6 ° C
(72.7°F)
19.6 ° C
(67.4°F)
% 76 0% 5 Sunrise:07:19 AM
Sunset: 05:42 PM
Moonrise:10:06 AM
Moonset: 09:04 PM
Moon Phase
( Waxing Crescent )
24 December 2025 Wednesday Sunny Sunny 18 ° C
(64.4°F)
22.8 ° C
(73°F)
20.1 ° C
(68.2°F)
% 72 0% 6 Sunrise:07:19 AM
Sunset: 05:42 PM
Moonrise:10:40 AM
Moonset: 10:02 PM
Moon Phase
( Waxing Crescent )
25 December 2025 Thursday Sunny Sunny 17.8 ° C
(64.1°F)
20.6 ° C
(69.1°F)
19.4 ° C
(66.9°F)
% 74 0% 5 Sunrise:07:20 AM
Sunset: 05:43 PM
Moonrise:11:12 AM
Moonset: 11:00 PM
Moon Phase
( Waxing Crescent )
26 December 2025 Friday Sunny Sunny 18.9 ° C
(66.1°F)
21.2 ° C
(70.1°F)
20 ° C
(68°F)
% 78 0% 6 Sunrise:07:20 AM
Sunset: 05:44 PM
Moonrise:11:42 AM
Moonset: 11:59 PM
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Sunny Sunny 19.1 ° C
(66.3°F)
21.5 ° C
(70.8°F)
20 ° C
(68°F)
% 80 0% 5 Sunrise:07:20 AM
Sunset: 05:44 PM
Moonrise:12:13 PM
Moonset: No moonset
Moon Phase
( First Quarter )
28 December 2025 Sunday Sunny Sunny 17.3 ° C
(63.2°F)
19.5 ° C
(67.2°F)
18.4 ° C
(65°F)
% 63 0% 5 Sunrise:07:21 AM
Sunset: 05:45 PM
Moonrise:12:45 PM
Moonset: 01:00 AM
Moon Phase
( Waxing Gibbous )
29 December 2025 Monday Partly Cloudy  Partly Cloudy 14.3 ° C
(57.8°F)
16.2 ° C
(61.1°F)
15.7 ° C
(60.3°F)
% 42 0% 5 Sunrise:07:21 AM
Sunset: 05:45 PM
Moonrise:01:22 PM
Moonset: 02:03 AM
Moon Phase
( Waxing Gibbous )
30 December 2025 Tuesday Sunny Sunny 10 ° C
(50°F)
17 ° C
(62.5°F)
13.3 ° C
(55.9°F)
% 49 0% 4 Sunrise:07:21 AM
Sunset: 05:46 PM
Moonrise:02:04 PM
Moonset: 03:11 AM
Moon Phase
( Waxing Gibbous )
31 December 2025 Wednesday Sunny Sunny 11.6 ° C
(52.9°F)
20 ° C
(68.1°F)
15.4 ° C
(59.7°F)
% 64 0% 5 Sunrise:07:22 AM
Sunset: 05:47 PM
Moonrise:02:55 PM
Moonset: 04:21 AM
Moon Phase
( Waxing Gibbous )
St. Petersburg Weather forecasts are usually fully updated every 4 hours.
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