Marine Weather Net

Saint Petersburg, FL Weather Forecast


Marine Forecast: Tampa Bay


Saint Petersburg, Florida

 Lat: 27.76N, Lon: 82.67W

Current Conditions Updated: 1153 AM EDT MON AUG 17 2026

Mostly Clear
Temp: 90°F
  • Humidity:
  • 65%
  • Winds:
  • 6 MPH SE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.1 in.
  • Dewpoint:
  • 77°F
  • Heat index:
  • 103°F

  • Sunrise:
  • 7:00 AM EDT
  • Sunset:
  • 8:05 PM EDT
  • Moonrise:
  • 11:52 AM EDT
  • Moonset:
  • 11:03 PM EDT

TONIGHT

MOSTLY CLEAR
Lo: 81°F

TUESDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 85°F
Precip: 20%

WEDNESDAY

THUNDER STORMS
Hi: 91°F
Lo: 80°F
Precip: 70%

SUNDAY

MOSTLY SUNNY
Hi: 90°F
Lo: 80°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 222 PM EDT Mon Aug 17 2026

HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
Tonight...Mostly clear. Lows in the lower 80s. West winds 5 to 10 mph.
Tuesday...Mostly sunny. Isolated showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. West winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 111.
Tuesday Night...Partly cloudy. Isolated showers and thunderstorms after midnight. Humid with lows in the lower 80s. West winds 10 to 15 mph. Chance of rain 20 percent.
Wednesday...Numerous showers and scattered thunderstorms. Humid with highs in the lower 90s. West winds 10 to 15 mph. Chance of rain 70 percent. Heat index values up to 107.
Wednesday Night...Partly cloudy with isolated thunderstorms. Isolated showers in the evening, then scattered showers after midnight. Humid with lows around 80. West winds 5 to 10 mph. Chance of rain 40 percent.
Thursday...Partly cloudy with scattered showers and thunderstorms. Highs in the lower 90s. Lows around 80. Chance of rain 40 percent.
Friday...Partly cloudy with scattered showers and thunderstorms. Highs in the lower 90s. Lows around 80. Chance of rain 40 percent.
Saturday...Partly cloudy with scattered showers and thunderstorms. Highs in the lower 90s. Lows around 80. Chance of rain 40 percent.
Sunday...Mostly sunny with scattered showers and thunderstorms. Highs around 90. Chance of rain 50 percent.
Sunday Night...Partly cloudy. Scattered showers and thunderstorms, mainly in the evening. Lows around 80. Chance of rain 30 percent.
Monday...Mostly sunny with isolated showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
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