| National Weather Service Forecast for:
Jacksonville, FL Issued by: National Weather Service Jacksonville, FL |
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| Updated: Sun, 23-Aug-2026 2:21pm EDT | ||||||||||||||||||||||||||||||||||||||||
| Jacksonville | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
A slight chance of showers and thunderstorms before 8pm. Partly cloudy. Low around 76, with temperatures rising to around 77 overnight. Heat index values as high as 101. Southwest wind 6 to 12 mph, with gusts as high as 17 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 96, with temperatures falling to around 93 in the afternoon. Heat index values as high as 109. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
A chance of showers and thunderstorms before midnight. Mostly cloudy. Low around 76, with temperatures rising to around 77 overnight. Southwest wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday |
A slight chance of rain showers between 8am and 11am, then showers and thunderstorms likely. Mostly sunny. High near 93, with temperatures falling to around 85 in the afternoon. Heat index values as high as 100. Southwest wind 3 to 8 mph. Chance of precipitation is 70%. |
| Tuesday Night |
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 75. South wind 2 to 7 mph. Chance of precipitation is 70%. |
| Wednesday |
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%. |
| Wednesday Night |
Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 60%. |
| Thursday |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%. |
| Thursday Night |
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 50%. |
| Friday |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%. |
| Friday Night |
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 40%. |
| Saturday |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%. |
| Saturday Night |
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 40%. |
| Sunday |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. |
Forecast from NOAA-NWS for Jacksonville, FL.