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 Details for Jacksonville Heat Advisory  +1 additional alert

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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: @ 27-Jul-2026 6:48pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 90.5, Max: 94.5, Min: 80.6 90.5°F
Colder 0.9°F than last hour.

Extremely Hot

Feels like: 111°F

24-hr difference
32.4°FWarmer 32.4°F than yesterday at this time.
  Today Yesterday
High: 94.5°F
1:19pm 		98.8°F
2:09pm
Low: 80.6°F
6:57am 		78.1°F
4:05am
Wind from NE NE
2.9
Gust:
 8.9 mph
1 Bft - Light air
Today: 11.6 mph 1:44pm
Gust Month: 38.9 mph July 14
Rain Today: 0.03 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.02 in
This Month: 2.15 in
Season Total: 15.15 in
Tuesday

Tuesday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 62 % Decreased 1.0% since last hour.
Dew Point: 75.7°F Decreased 1.3°F since last hour.
Barometer: 29.51 inHg Falling 0.05 inHg/hr
Baro Trend: Falling Slowly
Sunrise: 6:41am
Sunset: 8:23pm
Moonset: 4:37am
Moonrise: 7:25pm
Waxing Gibbous
Waxing Gibbous, Moon at 13 days in cycle
97%
Illuminated
UV Index Solar Radiation
   1.8     Low 
High: 10.7 @ 12:55pm
162 W/m2 (15 %)
High: 970 @  1:18pm
 NWS Weather Forecast  - Outlook: Tonight & Tuesday
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. Mostly cloudy. Low around 79, with temperatures rising to around 80 overnight. Heat index values as high as 105. South wind 3 to 12 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
 
Tuesday

Tuesday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms

Hi 99 °F		 NWS forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 99. Heat index values as high as 110. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.