Marine Weather Net

Jacksonville, FL Weather Forecast




Jacksonville, Florida

 Lat: 30.33N, Lon: 81.66W

Current Conditions Updated: 653 AM EDT MON AUG 17 2026

Mostly Clear
Temp: 82°F
  • Humidity:
  • 84%
  • Winds:
  • 7 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.04 in.
  • Dewpoint:
  • 77°F
  • Heat index:
  • 90°F

  • Sunrise:
  • 6:53 AM EDT
  • Sunset:
  • 8:04 PM EDT
  • Moonrise:
  • 11:51 AM EDT
  • Moonset:
  • 10:54 PM EDT

TODAY

MOSTLY SUNNY
Hi: 95°F
Lo: 77°F
Precip: 50%

TUESDAY

PARTLY SUNNY
Hi: 95°F
Lo: 77°F
Precip: 50%

WEDNESDAY

MOSTLY SUNNY
Hi: 95°F
Lo: 79°F
Precip: 40%

THURSDAY

SUNNY

Hi: 95°F
Lo: 79°F
Precip: 20%
Weather Forecast In Detail:
Forecast Issued: 617 AM EDT Mon Aug 17 2026

HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING
Today...Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the mid 90s. West winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 113.
Tonight...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 107 early in the evening.
Tuesday...Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. West winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 114.
Tuesday Night...Mostly cloudy with showers and thunderstorms likely in the evening, then partly cloudy after midnight. Lows in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 60 percent. Heat index values up to 105 early in the evening.
Wednesday...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. West winds 5 to 10 mph, becoming south in the afternoon. Chance of rain 40 percent. Heat index values up to 112.
Wednesday Night...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 40 percent.
Thursday...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.
Thursday Night...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent.
Friday...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.
Friday Night...Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent. Heat index values up to 105 early in the evening.
Saturday...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the upper 70s. Chance of rain 40 percent. Heat index values up to 110.
Sunday...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the upper 70s. Chance of rain 40 percent. Heat index values up to 110.
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