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Heat Advisory HEAT ADVISORY - Jacksonville

NWS Southeast Regional Radar WU South East Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 11-Aug-2026 6:51am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 78.1, Max: 81.1, Min: 78.1 78.1°F
Colder 0.2°F than last hour.

Comfortable

Feels like: 78°F

24-hr difference
32.7°FWarmer 32.7°F than yesterday at this time.
  Today Yesterday
High: 81.1°F
12:48am 		94.3°F
2:00pm
Low: 78.1°F
6:39am 		76.3°F
3:41pm
Wind from S S
0.7
Gust:
 2.7 mph
0 Bft - Calm
Today: 4.9 mph 3:03am
Gust Month: 25.1 mph August 01
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 1 in
This Month: 3.77 in
Season Total: 18.91 in
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 94 %  
Dew Point: 76.3°F Decreased 0.2°F since last hour.
Barometer: 29.66 inHg Rising 0.02 inHg/hr
Baro Trend: Rising Slowly
Sunrise: 6:50am
Sunset: 8:11pm
Moonrise: 5:24am
Moonset: 7:41pm
Waning Crescent
Waning Crescent, Moon at 27 days in cycle
2%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 12:00am
3 W/m2 (0 %)
High: 3 @  6:50am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms

Hi 96 °F		 NWS forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 96, with temperatures falling to around 95 in the afternoon. Heat index values as high as 107. West wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
 
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy

Lo 78 °F		 NWS forecast: A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 78. Heat index values as high as 103. Southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.