Marine Weather Net

Key West, FL Weather Forecast




Key West, Florida

 Lat: 24.56N, Lon: 81.78W

Current Conditions Updated: 453 PM EDT SAT MAY 16 2026

Clear


Temp: 88°F
  • Humidity:
  • 61%
  • Winds:
  • 8 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.02 in.
  • Dewpoint:
  • 73°F
  • Heat index:
  • 96°F

  • Sunrise:
  • 6:41 AM EDT
  • Sunset:
  • 8:02 PM EDT
  • Moonrise:
  • 6:11 AM EDT
  • Moonset:
  • 8:17 PM EDT

TONIGHT

CHANCE OF SHOWERS
Lo: 80°F
Precip: 40%

SUNDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 81°F
Precip: 50%

MONDAY

MOSTLY SUNNY
Hi: 88°F
Lo: 81°F
Precip: 40%

TUESDAY

CHANCE OF SHOWERS
Hi: 88°F
Lo: 80°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 400 PM EDT Sat May 16 2026

Tonight...Partly cloudy this evening, then becoming mostly cloudy. A chance of showers and a slight chance of thunderstorms. Lows near 80. East to southeast winds 10 to 15 mph, increasing to near 15 mph. Chance of rain 40 percent.
Sunday...Partly sunny in the morning, then becoming mostly sunny. A chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. East winds 10 to 15 mph. Chance of rain 50 percent.
Sunday Night...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Becoming breezy. Lows in the lower 80s. East winds near 15 mph, increasing to 15 to 20 mph. Chance of rain 40 percent.
Monday...Mostly sunny with a chance of showers and a slight chance of thunderstorms. Breezy. Highs 85 to 90. East winds 15 to 20 mph. Chance of rain 40 percent.
Monday Night...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Breezy. Lows in the lower 80s. East winds 15 to 20 mph. Chance of rain 30 percent.
Tuesday...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs 85 to 90. Chance of rain 30 percent.
Tuesday Night...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows near 80. Chance of rain 30 percent.
Wednesday...Mostly sunny with a slight chance of showers and thunderstorms. Highs 85 to 90. Chance of rain 10 percent.
Wednesday Night...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 30 percent.
Thursday...Mostly sunny with a slight chance of showers and thunderstorms. Highs 85 to 90. Chance of rain 10 percent.
Thursday Night...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent.
Friday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 10 percent.
Friday Night...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent.
Saturday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 10 percent.
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