Marine Weather Net

Key Largo, FL Weather Forecast




Key Largo, Florida

 Lat: 25.11N, Lon: 80.44W

Current Conditions Updated: 611 PM EDT TUE MAY 12 2026

Clear


Temp: 86°F
  • Humidity:
  • 62%
  • Winds:
  • 6 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.92 in.
  • Dewpoint:
  • 71°F
  • Heat index:
  • 92°F

  • Sunrise:
  • 6:37 AM EDT
  • Sunset:
  • 7:56 PM EDT
  • Moonrise:
  • 3:30 AM EDT
  • Moonset:
  • 4:09 PM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 80°F

WEDNESDAY

PARTLY SUNNY
Hi: 89°F
Lo: 79°F
Precip: 10%

THURSDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 79°F
Precip: 10%

FRIDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 80°F
Weather Forecast In Detail:
Forecast Issued: 359 PM EDT Tue May 12 2026

Tonight...Partly to mostly cloudy. Lows near 80. Southeast winds near 5 mph, becoming southwest after midnight.
Wednesday...Partly sunny in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 80s. West winds 10 to 15 mph. Chance of rain 10 percent.
Wednesday Night...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. West winds 10 to 15 mph. Chance of rain 20 percent.
Thursday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. West winds 10 to 15 mph. Chance of rain 10 percent.
Thursday Night...Mostly clear. Lows in the upper 70s. Northwest winds 10 to 15 mph.
Friday...Mostly sunny. Highs in the upper 80s.
Friday Night...Mostly clear with a slight chance of showers. Lows near 80. Chance of rain 10 percent.
Saturday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 10 percent.
Saturday Night...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent.
Sunday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 10 percent.
Sunday Night...Partly cloudy with a slight chance of showers. Lows in the lower 80s. Chance of rain 10 percent.
Monday...Mostly sunny with a slight chance of showers. Highs in the upper 80s. Chance of rain 10 percent.
Monday Night...Partly cloudy with a slight chance of showers and thunderstorms. Breezy with lows in the lower 80s. Chance of rain 20 percent.
Tuesday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
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