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Hazardous Weather Conditions
Current conditions at
Mayport Naval Station - Adm David L. McDonald Field (KNRB)
Lat: 30.4°NLon: 81.42°WElev: 13ft.
Fair
77°F
25°C
| Humidity | 85% |
| Wind Speed | W 5 mph |
| Barometer | 30.06 in (1017.7 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 14 Aug 4:52 am EDT |
Extended Forecast for
Jacksonville Beach FL
Heat Advisory August 14, 11:00am until August 14, 08:00pm
Today
High: 87 °F
Mostly Sunny
then Chance
T-stormsTonight
Low: 80 °F
Chance
T-storms then
Mostly ClearSaturday
High: 88 °F
Sunny then
Chance
T-stormsSaturday Night
Low: 80 °F
Chance
T-storms then
Mostly ClearSunday
High: 89 °F
Mostly Sunny
Sunday Night
Low: 81 °F
Partly Cloudy
Monday
High: 91 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 82 °F
Slight Chance
T-storms then
Mostly Clear
and BreezyTuesday
High: 92 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Heat index values as high as 102. Southwest wind 5 to 9 mph becoming southeast in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80. South wind 6 to 8 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. Heat index values as high as 105. Southwest wind 5 to 9 mph becoming southeast in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 80. South wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 89. West wind 5 to 7 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 81.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 82. Breezy.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 82.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Jacksonville Beach FL
30.3°N 81.39°W
30.3°N 81.39°W
8:01 pm EDT Aug 13, 2026
6am EDT Aug 14, 2026-6pm EDT Aug 20, 2026
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