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 3:26am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 81.1, Max: 82.9, Min: 81.1 81.1°F
Colder 0.6°F than last hour.

Warm

Feels like: 104°F

24-hr difference
36.1°FWarmer 36.1°F than yesterday at this time.
  Today Yesterday
High: 82.9°F
12:00am
95.9°F
3:18pm
Low: 81.1°F
3:17am
75.7°F
5:51am
 Wind from S S
0.2
Gust:
2.5 mph
0 Bft - Calm
Today: 6 mph 12:16am
Gust Month: 30.2 mph August 14
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 5.95 in
Season Total: 21.09 in
Sunday

Sunday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 90 % Increased 3.0% since last hour.
Dew Point: 77.9°F Increased 0.5°F since last hour.
Barometer: 29.64 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 6:53am
Sunset: 8:06pm
Moonrise: 10:51am
Moonset: 10:23pm
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
15%
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 & Sunday
Overnight

Overnight: Partly Cloudy
Partly Cloudy

Lo 79 °F
NWS forecast: Partly cloudy, with a low around 79. Southwest wind around 7 mph.
 
Sunday

Sunday: 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 3pm. Mostly sunny. High near 96, with temperatures falling to around 93 in the afternoon. Heat index values as high as 110. West wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.