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Next 5 Days
  • Today

    Aug 4

    A thunderstorm in spots 92°Lo 73°
    more
  • Wed

    Aug 5

    An afternoon thunderstorm 90°Lo 74°
  • Thu

    Aug 6

    An afternoon thunderstorm 91°Lo 74°
    more
  • Fri

    Aug 7

    A p.m. t-storm in spots 92°Lo 73°
    more
  • Sat

    Aug 8

    Mostly cloudy 92°Lo 73°
    more
< Previous 8 hours Next 8 hours >
  Wed
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 75° 75° 74° 73° 75° 77° 81° 85°
RealFeel® 81° 80° 81° 80° 87° 91° 100° 106°
Humidity 90% 90% 92% 98% 100% 95% 88% 77%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 4 S 4 S 2 S 2 SSW 2 SSW 1 SW 2 SW 2 SW
UV Index 0 0 0 0 0 1 3 6
Cloud Cover 26% 26% 26% 26% 26% 35% 45% 45%
Dew Point 72° 71° 72° 72° 75° 75° 77° 77°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 5

more Historical Weather Data >
  Today Normal Record 8/5/2014
High 90° 90° N/A 88°
Low 74° 76° N/A 75°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 13:20 of sunlight, then sets at 8:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:12 PM with 21:02 of moolight, then sets at 12:15 PM

Port St. Lucie Weather Report

Flooding Downpours to Diminish Across Florida This Week

August 4, 2015; 7:14 AM ET

Unsettled weather responsible for flooding downpours in Florida last week will gradually lessen over the next several days. more >