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: @ 16-Aug-2026 9:21pm  
Summary / Temperature Wind Rain Outlook
Thunderstorm, Clear Thunderstorm, Clear
Currently: 83.8, Max: 99.1, Min: 80.4 83.8°F
Colder 1.5°F than last hour.

Warm

Feels like: 106°F

24-hr difference
30.6°FWarmer 30.6°F than yesterday at this time.
  Today Yesterday
High: 99.1°F
3:04pm
95.9°F
3:18pm
Low: 80.4°F
6:49am
75.7°F
5:51am
 Wind from SW SW
2.9
Gust:
6.3 mph
1 Bft - Light air
Today: 12.8 mph 8:20pm
Gust Month: 30.2 mph August 14
Rain Today: 0.13 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 6.08 in
Season Total: 21.22 in
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 82 % Increased 1.0% since last hour.
Dew Point: 77.7°F Decreased 1.1°F since last hour.
Barometer: 29.63 inHg Falling 0.05  inHg/hr
Baro Trend: Falling Slowly
Sunrise: 6:53am
Sunset: 8:06pm
Moonrise: 10:51am
Moonset: 10:23pm
Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
21%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 10.4 @ 1:16pm
0 W/m2 (0 %)
High: 940 @  1:47pm
 NWS Weather Forecast  - Outlook: Tonight & Monday
Tonight

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

Lo 79 °F
NWS forecast: A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 79. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
 
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 96 °F
NWS forecast: A chance of showers and thunderstorms. Mostly sunny. High near 96, with temperatures falling to around 91 in the afternoon. Heat index values as high as 110. West wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.