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: @ 18-Jun-2026 2:06pm  
Summary / Temperature Wind Rain Outlook
Few Clouds Few Clouds
Currently: 93.6, Max: 94.1, Min: 79.9 93.6°F
Warmer 0.6°F than last hour.

Heat Danger

Feels like: 114°F

24-hr difference
35.1°FWarmer 35.1°F than yesterday at this time.
  Today Yesterday
High: 94.1°F
1:33pm
91.9°F
4:31pm
Low: 79.9°F
6:39am
75.2°F
6:08am
 Wind from SW SW
3.8
Gust:
8.3 mph
1 Bft - Light air
Today: 11.9 mph 9:12am
Gust Month: 36.7 mph June 02
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.83 in
Season Total: 9 in
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 57 % Decreased 3.0% since last hour.
Dew Point: 76.1°F Decreased 0.9°F since last hour.
Barometer: 29.86 inHg Rising 0.03  inHg/hr
Baro Trend: Rising Slowly
Sunrise: 6:24am
Sunset: 8:30pm
Moonrise: 10:11am
Moonset: 11:56pm
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
18%
Illuminated
UV Index Solar Radiation
   10.1     Very High 
High: 11.7 @ 1:01pm
1002 W/m2 (93 %)
High: 1163 @  1:01pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 97 °F
NWS forecast: A slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 97, with temperatures falling to around 93 in the afternoon. Heat index values as high as 107. Southwest wind 12 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
 
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 10pm, then a slight chance of showers and thunderstorms between 10pm and midnight. Mostly cloudy, with a low around 79. Heat index values as high as 102. Southwest wind around 13 mph, with gusts as high as 17 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.