Port St. Lucie, Florida 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 83°F 28°C Heat Index: 92°F	Observed at: Port St. Lucie, FL	Elevation: 22 ft | 7 m
	Last Updated: July 27, 9:15 PM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 83°F | 28°C
	Pressure: 29.83 in | 1010.2 mb	Dewpoint: 76°F | 24°C
	Humidity: 81%	Wind: SSE 2 mph | SSE 3 kph
	Feels Like: 93°F | 34°C	Visibility: 36.5 mi | 58.7 km
	Lat/Long: 27.2939 | -80.3503	Sunrise: 6:42 AM   Sunset: 8:13 PM

7 Day Graphical Forecast

Valid: 7:34 PM 7/29/2026

Tonight Overcast 75 °F 38% Chance Precipitation Tuesday Overcast 91 |77 °F 20% Chance Precipitation Wednesday Rain 93 |77 °F 19% Chance Precipitation Thursday Light Drizzle 95 |78 °F 43% Chance Precipitation Friday Thunderstorm 92 |77 °F 57% Chance Precipitation Saturday Light Showers 94 |76 °F 53% Chance Precipitation Sunday Showers 93 |76 °F 47% Chance Precipitation

7 Hour Graphical Forecast

Valid: 7:34 PM 7/29/2026

7 PM Overcast 88 °F 19% Chance Precipitation

8 PM Overcast 85 °F 19% Chance Precipitation

9 PM Overcast 85 °F 2% Chance Precipitation

10 PM Overcast 83 °F 2% Chance Precipitation

11 PM Overcast 82 °F 2% Chance Precipitation

12 AM Overcast 80 °F 2% Chance Precipitation

1 AM Mostly Clear 80 °F 2% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Port St. Lucie, FL - (Fahrenheit & Celsius) Valid: 7:34 PM 7/29/2026 Tonight Overcast with a low around 75°F [24°C]. WSW wind to around 14 mph [22 kph], with gusts to near 19 mph [31 kph]. Chance of precipitation 38% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 91°F [33°C]. SW wind to around 13 mph [21 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 76°F [24°C] with humidity of 93%. Pressure around 29.83 in [1010.2 mb]. UV Index: 8.8. Chance of precipitation 20% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 77°F [25°C]. SW wind to around 13 mph [21 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 20% with QPF of 0.00 in [0.0 mm]. Wednesday Rain with a high near 93°F [34°C]. WSW wind to around 17 mph [27 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 76°F [24°C] with humidity of 93%. Pressure around 29.83 in [1010.2 mb]. UV Index: 8.8. Chance of precipitation 19% with QPF of 0.17 in [4.4 mm]. Wednesday Night Rain with a low around 77°F [25°C]. WSW wind to around 17 mph [27 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 19% with QPF of 0.17 in [4.4 mm]. Thursday Light Drizzle with a high near 95°F [35°C]. WSW wind to around 16 mph [25 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 76°F [24°C] with humidity of 85%. Pressure around 29.83 in [1010.2 mb]. UV Index: 8.15. Chance of precipitation 43% with QPF of 0.01 in [0.2 mm]. Thursday Night Light Drizzle with a low around 78°F [25°C]. WSW wind to around 16 mph [25 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 43% with QPF of 0.01 in [0.2 mm]. Friday Thunderstorm with a high near 92°F [34°C]. WSW wind to around 16 mph [25 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 76°F [24°C] with humidity of 90%. Pressure around 29.83 in [1010.2 mb]. UV Index: 7.6. Chance of precipitation 57% with QPF of 0.11 in [2.8 mm]. Friday Night Thunderstorm with a low around 77°F [25°C]. WSW wind to around 16 mph [25 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 57% with QPF of 0.11 in [2.8 mm]. Saturday Light Showers with a high near 94°F [34°C]. SW wind to around 14 mph [22 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 76°F [24°C] with humidity of 93%. Pressure around 29.83 in [1010.2 mb]. UV Index: 8.3. Chance of precipitation 53% with QPF of 0.22 in [5.7 mm]. Saturday Night Light Showers with a low around 76°F [25°C]. SW wind to around 14 mph [22 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 53% with QPF of 0.22 in [5.7 mm]. Sunday Showers with a high near 93°F [34°C]. SSW wind to around 16 mph [26 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 76°F [24°C] with humidity of 94%. Pressure around 29.83 in [1010.2 mb]. UV Index: 8.55. Chance of precipitation 47% with QPF of 0.45 in [11.4 mm]. Sunday Night Showers with a low around 76°F [24°C]. SSW wind to around 16 mph [26 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 47% with QPF of 0.45 in [11.4 mm].

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7 Day and Night - QPF Forecast for Port St. Lucie, FL

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 4.4 mm | 0.17 in

Wednesday Night: 4.4 mm | 0.17 in

Thursday: 0.2 mm | 0.01 in

Thursday Night: 0.2 mm | 0.01 in

Friday: 2.8 mm | 0.11 in

Friday Night: 2.8 mm | 0.11 in

Saturday: 5.7 mm | 0.22 in

Saturday Night: 5.7 mm | 0.22 in

Sunday: 11.4 mm | 0.45 in

Sunday Night: 11.4 mm | 0.45 in

7 Day and Night - Maximum Wind Speed Forecast for Port St. Lucie, FL

Tonight: WSW @ 22 kph | 14 mph

Tuesday: SW @ 21 kph | 13 mph

Tuesday Night: SW @ 21 kph | 13 mph

Wednesday: WSW @ 27 kph | 17 mph

Wednesday Night: WSW @ 27 kph | 17 mph

Thursday: WSW @ 25 kph | 16 mph

Thursday Night: WSW @ 25 kph | 16 mph

Friday: WSW @ 25 kph | 16 mph

Friday Night: WSW @ 25 kph | 16 mph

Saturday: SW @ 22 kph | 14 mph

Saturday Night: SW @ 22 kph | 14 mph

Sunday: SSW @ 26 kph | 16 mph

Sunday Night: SSW @ 26 kph | 16 mph

7 Day and Night - Maximum Humidity Forecast for Port St. Lucie, FL

Tonight: 95 %

Tuesday: 93 %

Tuesday Night: 93 %

Wednesday: 93 %

Wednesday Night: 93 %

Thursday: 85 %

Thursday Night: 85 %

Friday: 90 %

Friday Night: 90 %

Saturday: 93 %

Saturday Night: 93 %

Sunday: 94 %

Sunday Night: 94 %

7 Day and Night - Snowfall Totals Forecast for Port St. Lucie, FL

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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