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: @ 28-Jul-2026 7:09am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 78.8, Max: 84.4, Min: 78.8 78.8°F
Colder 0.5°F than last hour.

Comfortable

Feels like: 79°F

24-hr difference
30.2°FWarmer 30.2°F than yesterday at this time.
  Today Yesterday
High: 84.4°F
12:00am
94.5°F
1:19pm
Low: 78.8°F
6:39am
80.6°F
6:57am
 Wind from W W
0.4
Gust:
2.7 mph
0 Bft - Calm
Today: 6.7 mph 1:01am
Gust Month: 38.9 mph July 14
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.03 in
This Month: 2.15 in
Season Total: 15.15 in
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 87 % Increased 1.0% since last hour.
Dew Point: 74.7°F Decreased 0.1°F since last hour.
Barometer: 29.37 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 6:42am
Sunset: 8:23pm
Moonset: 5:35am
Moonrise: 8:05pm
Full Moon
Full Moon, Moon at 13 days in cycle
99%
Illuminated
UV Index Solar Radiation
   0.4     Low 
High: 0.4 @ 7:07am
35 W/m2 (3 %)
High: 35 @  7:09am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

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

Hi 98 °F
NWS forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny. High near 98, with temperatures falling to around 97 in the afternoon. Heat index values as high as 109. Southwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 80 °F
NWS forecast: Partly cloudy, with a low around 80. Heat index values as high as 105. Southwest wind around 13 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.