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: @ 17-Aug-2026 6:10am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 82.0, Max: 82.9, Min: 81.9 82°F
Colder 0.4°F than last hour.

Warm

Feels like: 104°F

24-hr difference
33.3°FWarmer 33.3°F than yesterday at this time.
  Today Yesterday
High: 82.9°F
1:49am
99.1°F
3:04pm
Low: 81.9°F
12:41am
80.4°F
6:49am
 Wind from NW NW
1.6
Gust:
5.4 mph
1 Bft - Light air
Today: 7.2 mph 2:30am
Gust Month: 30.2 mph August 14
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.13 in
This Month: 6.08 in
Season Total: 21.22 in
Monday

Monday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 86 %  
Dew Point: 77.4°F Decreased 0.3°F since last hour.
Barometer: 29.6 inHg  
Baro Trend: Steady
Sunrise: 6:54am
Sunset: 8:05pm
Moonrise: 11:51am
Moonset: 10:54pm
Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
25%
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: Overnight & Monday
Overnight

Overnight: Partly Cloudy
Partly Cloudy

Lo 79 °F
NWS forecast: Partly cloudy, with a low around 79. West wind around 8 mph.
 
Monday

Monday: 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 1pm. Mostly sunny. High near 96, with temperatures falling to around 92 in the afternoon. Heat index values as high as 107. West wind 7 to 12 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.