Marine Weather Net

Key Largo, FL Weather Forecast




Key Largo, Florida

 Lat: 25.11N, Lon: 80.44W

Current Conditions Updated: 355 AM EDT TUE OCT 27 2026

Mostly Clear
Temp: 76°F
  • Humidity:
  • 80%
  • Winds:
  • 14 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.88 in.
  • Dewpoint:
  • 70°F
  • Heat index:
  • 77°F

  • Sunrise:
  • 7:24 AM EDT
  • Sunset:
  • 6:44 PM EDT
  • Moonrise:
  • 7:50 PM EDT
  • Moonset:
  • 8:59 AM EDT

TONIGHT

CHANCE OF T-STORM
Lo: 75°F
Precip: 60%

TUESDAY

CHANCE OF SHOWERS
Hi: 80°F
Lo: 75°F
Precip: 50%

WEDNESDAY

CHANCE OF T-STORM
Hi: 81°F
Lo: 75°F
Precip: 40%

THURSDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 79°F
Precip: 20%
Weather Forecast In Detail:
Forecast Issued: 1048 PM EDT Mon Oct 26 2026

COASTAL FLOOD WARNING REMAINS IN EFFECT
Tonight...Showers likely with a slight chance of thunderstorms. Windy. Lows in the mid 70s. Windy. North to northeast winds 20 to 25 mph. Chance of rain 60 percent.
Tuesday...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Windy. Highs near 80. North to northeast winds near 25 mph. Chance of rain 50 percent.
Tuesday Night...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Windy early. Lows in the mid 70s. North to northeast winds near 20 mph, Decreasing to 10 to 15 mph. Chance of rain 50 percent.
Wednesday...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Northeast to east winds near 10 mph. Chance of rain 40 percent.
Wednesday Night...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the mid 70s. Northeast to east winds near 10 mph. Chance of rain 30 percent.
Thursday...Mostly sunny with a slight chance of showers. Highs in the lower 80s. Chance of rain 20 percent.
Thursday Night...Mostly clear. Lows in the upper 70s.
Friday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20 percent.
Friday Night...Mostly clear. Lows in the upper 70s.
Saturday...Mostly clear with a slight chance of showers and thunderstorms. Highs in the lower 80s. Lows in the upper 70s. Chance of rain 20 percent.
Sunday...Mostly clear with a slight chance of showers and thunderstorms. Highs in the lower 80s. Lows in the upper 70s. Chance of rain 20 percent.
Sunday Night...Mostly clear with a slight chance of showers. Lows in the mid 70s. Chance of rain 10 percent.
Monday...Mostly sunny with a slight chance of showers. Highs in the lower 80s. Chance of rain 20 percent.
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