Marine Weather Net

Siesta Key, FL Weather Forecast




Siesta Key, Florida

 Lat: 27.28N, Lon: 82.57W

Current Conditions Updated: 1153 PM EDT FRI JUL 24 2026

Overcast
Temp: 80°F
  • Humidity:
  • 83%
  • Winds:
  • 6 MPH NE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.11 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 85°F

  • Sunrise:
  • 6:49 AM EDT
  • Sunset:
  • 8:21 PM EDT
  • Moonrise:
  • 5:45 PM EDT
  • Moonset:
  • 3:07 AM EDT

TODAY

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

SUNDAY

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

MONDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 80°F
Precip: 50%

WEDNESDAY

MOSTLY SUNNY
Hi: 90°F
Lo: 80°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 248 AM EDT Sat Jul 25 2026

Today...Mostly sunny. Isolated showers and thunderstorms this afternoon. Highs in the lower 90s. Southeast winds around 5 mph, becoming west this afternoon. Chance of rain 20 percent. Heat index values up to 108.
Tonight...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows around 80. Northwest winds 5 to 10 mph.
Sunday...Mostly sunny with isolated showers and thunderstorms. Humid with highs in the lower 90s. Northwest winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 108.
Sunday Night...Mostly cloudy in the evening, then partly cloudy with isolated showers and thunderstorms after midnight. Humid with lows around 80. West winds 10 to 15 mph. Chance of rain 20 percent.
Monday...Mostly sunny with scattered showers and thunderstorms. Humid with highs in the lower 90s. West winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 105.
Monday Night And Tuesday...Partly cloudy. Scattered showers and thunderstorms. Lows around 80. Highs in the lower 90s. Chance of rain 50 percent.
Tuesday Night...Partly cloudy with scattered showers and thunderstorms. Lows around 80. Chance of rain 40 percent.
Wednesday...Mostly sunny with scattered showers and thunderstorms. Highs around 90. Chance of rain 50 percent. Heat index values up to 110.
Wednesday Night...Mostly cloudy with scattered thunderstorms. Scattered showers in the evening, then numerous showers after midnight. Lows around 80. Chance of rain 70 percent.
Thursday...Numerous showers and thunderstorms. Highs in the upper 80s. Lows around 80. Chance of rain 70 percent.
Friday...Numerous showers and thunderstorms. Highs in the upper 80s. Lows around 80. Chance of rain 70 percent.
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