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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: @ 15-Aug-2026 3:34am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 77.2, Max: 80.8, Min: 77.0 77.2°F
Colder 0.9°F than last hour.

Comfortable

Feels like: 77°F

24-hr difference
33.3°FWarmer 33.3°F than yesterday at this time.
  Today Yesterday
High: 80.8°F
12:00am 		96.6°F
2:10pm
Low: 77°F
3:24am 		75.2°F
2:27am
Wind from N N
0.4
Gust:
 2 mph
0 Bft - Calm
Today: 4.7 mph 1:46am
Gust Month: 30.2 mph August 14
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.23 in
This Month: 5.95 in
Season Total: 21.09 in
Saturday

Saturday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 91 % Increased 1.0% since last hour.
Dew Point: 74.3°F Decreased 0.5°F since last hour.
Barometer: 29.62 inHg  
Baro Trend: Steady
Sunrise: 6:53am
Sunset: 8:07pm
Moonrise: 9:51am
Moonset: 9:53pm
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
9%
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 & Saturday
Overnight

Overnight: Partly Cloudy
Partly Cloudy

Lo 76 °F		 NWS forecast: Partly cloudy, with a low around 76. Southwest wind around 5 mph.
 
Saturday

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

Hi 95 °F		 NWS forecast: A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 95, with temperatures falling to around 93 in the afternoon. Heat index values as high as 110. Southwest wind 3 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.