Marine Weather Net

Saint Petersburg, FL Weather Forecast


Marine Forecast: Tampa Bay


Saint Petersburg, Florida

 Lat: 27.76N, Lon: 82.67W

Current Conditions Updated: 753 PM EDT MON MAY 18 2026

Partly Cloudy
Temp: 77°F
  • Humidity:
  • 100%
  • Winds:
  • 7 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.09 in.
  • Dewpoint:
  • 77°F
  • Heat index:
  • 78°F

  • Sunrise:
  • 6:38 AM EDT
  • Sunset:
  • 8:13 PM EDT
  • Moonrise:
  • 9:11 AM EDT
  • Moonset:
  • 11:51 PM EDT

TODAY

SUNNY

Hi: 91°F
Lo: 75°F
Precip: 50%

WEDNESDAY

SUNNY

Hi: 91°F
Lo: 75°F

THURSDAY

SUNNY

Hi: 91°F
Lo: 79°F
Precip: 20%

SATURDAY

SUNNY

Hi: 91°F
Lo: 79°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 222 AM EDT Tue May 19 2026

Today...Sunny. Scattered showers and thunderstorms this afternoon. Highs in the lower 90s. East winds 5 to 10 mph. Chance of rain 50 percent.
Tonight...Partly cloudy with scattered showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 50 percent.
Wednesday...Sunny. Highs in the lower 90s. East winds 5 to 10 mph, becoming north in the afternoon.
Wednesday Night...Mostly clear. Scattered showers and thunderstorms, mainly in the evening. Lows in the mid 70s. Northeast winds 5 to 10 mph, becoming east after midnight. Chance of rain 40 percent.
Thursday...Sunny. Isolated showers and thunderstorms in the afternoon. Highs in the lower 90s. Southeast winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 20 percent.
Thursday Night...Mostly clear with isolated showers and thunderstorms. Lows in the upper 70s. Highs in the lower 90s. Chance of rain 20 percent.
Friday...Mostly clear with isolated showers and thunderstorms. Lows in the upper 70s. Highs in the lower 90s. Chance of rain 20 percent.
Saturday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent.
Saturday Night...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 40 percent.
Sunday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105.
Sunday Night...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 70s. Chance of rain 50 percent.
Memorial Day...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.
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