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: @ 12-Aug-2026 6:18am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 80.1, Max: 80.1, Min: 78.8 80.1°F
Warmer 0.4°F than last hour.

Warm

Feels like: 80°F

24-hr difference
33.6°FWarmer 33.6°F than yesterday at this time.
  Today Yesterday
High: 80.1°F
12:00am
98.1°F
4:01pm
Low: 78.8°F
4:09am
78.1°F
6:39am
 Wind from N N
1.3
Gust:
6.5 mph
1 Bft - Light air
Today: 6.9 mph 3:57am
Gust Month: 25.1 mph August 01
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 3.77 in
Season Total: 18.91 in
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 92 % Decreased 1.0% since last hour.
Dew Point: 77.5°F  
Barometer: 29.58 inHg Rising 0.02  inHg/hr
Baro Trend: Rising Slowly
Sunrise: 6:51am
Sunset: 8:10pm
Moonrise: 6:35am
Moonset: 8:19pm
New Moon
New Moon, Moon at 0 days in cycle
0%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 12:00am
0 W/m2 (0 %)
High: 0 @  12:00am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

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

Hi 96 °F
NWS forecast: Showers and thunderstorms likely after 1pm. Mostly sunny. High near 96, with temperatures falling to around 93 in the afternoon. Heat index values as high as 107. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
 
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy

Lo 78 °F
NWS forecast: A chance of showers and thunderstorms before 10pm. Mostly cloudy. Low around 78, with temperatures rising to around 79 overnight. Heat index values as high as 102. West wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.