Port St. Lucie Weather Forecast 15 Days, Weather in Port St. Lucie Today

Current weather conditions and 15 day weather forecast for Port St. Lucie, 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 Port St. Lucie

19 December 2025 Friday
24 ° C / 75.2°F
Partly cloudy
Partly cloudy
Feels Like : 26.1 ° C / 79°F
Humidity : % 94
Pressure : 1016 mb
Wind Speed : 17.3 kmph / 10.7 miles from SSESSE
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

15 day weather forecast for Port St. Lucie, FL, USA

Weather Forecast for next 15 Days for Port St. Lucie 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 Port St. Lucie, 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 Moderate rain Moderate rain 18.3 ° C
(64.9°F)
30.9 ° C
(87.6°F)
22.7 ° C
(72.9°F)
% 79 83% 0.8 Sunrise:07:06 AM
Sunset: 05:31 PM
Moonrise:05:59 AM
Moonset: 04:16 PM
Moon Phase
( Waning Crescent )
19 December 2025 Friday Partly Cloudy  Partly Cloudy 21.2 ° C
(70.2°F)
28.1 ° C
(82.6°F)
23.6 ° C
(74.5°F)
% 83 0% 0.9 Sunrise:07:06 AM
Sunset: 05:32 PM
Moonrise:06:54 AM
Moonset: 05:06 PM
Moon Phase
( New Moon )
20 December 2025 Saturday Mist Mist 15.9 ° C
(60.6°F)
25 ° C
(77°F)
20.5 ° C
(68.9°F)
% 86 0% 0.7 Sunrise:07:07 AM
Sunset: 05:32 PM
Moonrise:07:47 AM
Moonset: 06:00 PM
Moon Phase
( New Moon )
21 December 2025 Sunday Fog Fog 20.4 ° C
(68.7°F)
25.3 ° C
(77.5°F)
22.2 ° C
(72°F)
% 89 0% 1 Sunrise:07:07 AM
Sunset: 05:33 PM
Moonrise:08:34 AM
Moonset: 06:58 PM
Moon Phase
( Waxing Crescent )
22 December 2025 Monday Patchy rain nearby Patchy rain nearby 20.1 ° C
(68.3°F)
23.4 ° C
(74.2°F)
21.7 ° C
(71.1°F)
% 69 88% 0.6 Sunrise:07:08 AM
Sunset: 05:33 PM
Moonrise:09:17 AM
Moonset: 07:57 PM
Moon Phase
( Waxing Crescent )
23 December 2025 Tuesday Patchy rain nearby Patchy rain nearby 20.3 ° C
(68.6°F)
22.7 ° C
(72.8°F)
21.3 ° C
(70.4°F)
% 69 89% 0 Sunrise:07:08 AM
Sunset: 05:34 PM
Moonrise:09:55 AM
Moonset: 08:55 PM
Moon Phase
( Waxing Crescent )
24 December 2025 Wednesday Patchy rain nearby Patchy rain nearby 20 ° C
(68.1°F)
23.7 ° C
(74.7°F)
21.5 ° C
(70.8°F)
% 64 0% 5 Sunrise:07:09 AM
Sunset: 05:34 PM
Moonrise:10:30 AM
Moonset: 09:53 PM
Moon Phase
( Waxing Crescent )
25 December 2025 Thursday Patchy rain nearby Patchy rain nearby 20 ° C
(68.1°F)
24.3 ° C
(75.7°F)
22 ° C
(71.6°F)
% 68 89% 5 Sunrise:07:09 AM
Sunset: 05:35 PM
Moonrise:11:02 AM
Moonset: 10:51 PM
Moon Phase
( Waxing Crescent )
26 December 2025 Friday Partly Cloudy  Partly Cloudy 20.4 ° C
(68.6°F)
23.8 ° C
(74.9°F)
21.8 ° C
(71.3°F)
% 60 0% 6 Sunrise:07:10 AM
Sunset: 05:35 PM
Moonrise:11:33 AM
Moonset: 11:49 PM
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Sunny Sunny 18.9 ° C
(66.1°F)
23.7 ° C
(74.7°F)
21 ° C
(69.7°F)
% 66 0% 6 Sunrise:07:10 AM
Sunset: 05:36 PM
Moonrise:12:03 PM
Moonset: No moonset
Moon Phase
( First Quarter )
28 December 2025 Sunday Sunny Sunny 18.7 ° C
(65.7°F)
23.8 ° C
(74.9°F)
20.9 ° C
(69.6°F)
% 67 0% 6 Sunrise:07:10 AM
Sunset: 05:37 PM
Moonrise:12:36 PM
Moonset: 12:49 AM
Moon Phase
( Waxing Gibbous )
29 December 2025 Monday Sunny Sunny 18.1 ° C
(64.5°F)
23.8 ° C
(74.8°F)
20.7 ° C
(69.3°F)
% 70 0% 6 Sunrise:07:11 AM
Sunset: 05:37 PM
Moonrise:01:13 PM
Moonset: 01:53 AM
Moon Phase
( Waxing Gibbous )
30 December 2025 Tuesday Sunny Sunny 18.3 ° C
(64.9°F)
23.9 ° C
(75°F)
21.1 ° C
(70°F)
% 68 0% 6 Sunrise:07:11 AM
Sunset: 05:38 PM
Moonrise:01:56 PM
Moonset: 03:00 AM
Moon Phase
( Waxing Gibbous )
31 December 2025 Wednesday Patchy rain nearby Patchy rain nearby 20.3 ° C
(68.6°F)
24.6 ° C
(76.2°F)
22.1 ° C
(71.8°F)
% 68 84% 5 Sunrise:07:11 AM
Sunset: 05:38 PM
Moonrise:02:46 PM
Moonset: 04:11 AM
Moon Phase
( Waxing Gibbous )
Port St. Lucie Weather forecasts are usually fully updated every 4 hours.
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