Extreme Heat Risk this Week
Extreme heat and little overnight relief will lead to an extreme risk for heat-related impacts through the rest of the week. Extreme Heat Warning in effect on Tuesday. Read More >
Hazardous Weather Conditions
Current conditions at
Jacksonville International Airport (KJAX)
Lat: 30.5°NLon: 81.69°WElev: 23ft.
Mostly Cloudy
77°F
25°C
| Humidity | 85% |
| Wind Speed | W 6 mph |
| Barometer | 29.97 in (1014.8 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 18 Aug 10:56 pm EDT |
Extended Forecast for
4 Miles NW Jacksonville International Airport FL
Heat Advisory August 19, 11:00am until August 19, 08:00pm
Tonight
Low: 78 °F
Partly Cloudy
Wednesday
High: 98 °F
Sunny then
Chance
T-stormsWednesday Night
Low: 76 °F
Chance
T-storms then
Partly CloudyThursday
High: 97 °F
Sunny then
T-storms
LikelyThursday Night
Low: 75 °F
T-storms
Likely then
Slight Chance
ShowersFriday
High: 95 °F
Sunny then
Chance
T-stormsFriday Night
Low: 74 °F
Chance
T-stormsSaturday
High: 94 °F
Mostly Sunny
then Chance
T-stormsSaturday Night
Low: 74 °F
Chance
T-storms
Detailed Forecast
Tonight
Partly cloudy, with a low around 78. West wind around 7 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 109. West wind around 6 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Showers and thunderstorms likely after 2pm. Sunny, then becoming mostly cloudy during the afternoon and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Monday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NW Jacksonville International Airport FL
30.53°N 81.76°W
30.53°N 81.76°W
7:21 pm EDT Aug 18, 2026
11pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
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