Marine Weather Net

Summerland Key, FL Weather Forecast




Summerland Key, Florida

 Lat: 24.66N, Lon: 81.45W

Current Conditions Updated: 653 PM EDT FRI SEP 4 2026

Mostly Cloudy
Temp: 89°F
  • Humidity:
  • 63%
  • Winds:
  • 9 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.93 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 99°F

  • Sunrise:
  • 7:06 AM EDT
  • Sunset:
  • 7:40 PM EDT
  • Moonrise:
  • 12:07 AM EDT
  • Moonset:
  • 2:32 PM EDT

TONIGHT

CHANCE OF T-STORM
Lo: 81°F
Precip: 40%

SATURDAY

CHANCE OF T-STORM
Hi: 90°F
Lo: 81°F
Precip: 40%

SUNDAY

CHANCE OF T-STORM
Hi: 90°F
Lo: 81°F
Precip: 40%

LABOR DAY

CHANCE OF T-STORM
Hi: 90°F
Lo: 81°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 405 PM EDT Fri Sep 04 2026

Tonight...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
Saturday...Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
Saturday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
Sunday...Partly cloudy with a chance of showers and thunderstorms. Highs near 90. South winds near 5 mph. Chance of rain 40 percent.
Sunday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. South winds near 5 mph. Chance of rain 30 percent.
Labor Day...Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Chance of rain 30 percent.
Monday Night...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 40 percent.
Tuesday...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 30 percent.
Tuesday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Highs in the lower 90s. Chance of rain 40 percent.
Wednesday...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Highs in the lower 90s. Chance of rain 40 percent.
Thursday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
Thursday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 30 percent.
Friday...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 20 percent.
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