Hazardous Weather Conditions
Current conditions at
Mayport Naval Station - Adm David L. McDonald Field (KNRB)
Lat: 30.4°NLon: 81.42°WElev: 13ft.
Mostly Cloudy
90°F
32°C
| Humidity | 63% |
| Wind Speed | E 8 mph |
| Barometer | 30.06 in (1017.8 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 29 Jun 1:52 pm EDT |
Extended Forecast for
Jacksonville Beach FL
Heat Advisory until June 29, 07:00pm
NOW until 7:00pm Mon
Heat Advisory
This Afternoon
High: 91 °F
Slight Chance
T-stormsTonight
Low: 79 °F
Chance
T-storms then
Partly CloudyTuesday
High: 85 °F
Sunny then
Slight Chance
T-storms and
BreezyTuesday Night
Low: 80 °F
Mostly Clear
and Breezy
then Mostly
ClearWednesday
High: 83 °F
Sunny and
WindyWednesday Night
Low: 79 °F
Mostly Clear
and Windy
then Mostly
ClearThursday
High: 83 °F
Slight Chance
T-storms and
BreezyThursday Night
Low: 79 °F
Mostly Clear
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind around 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 79. South wind 5 to 9 mph becoming west after midnight.
Tuesday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. Breezy, with a northeast wind 7 to 17 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 80. Breezy, with an east wind 9 to 15 mph.
Wednesday
Sunny, with a high near 83. Windy, with a northeast wind 16 to 21 mph.
Wednesday Night
Mostly clear, with a low around 79. Windy.
Thursday
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 83. Breezy.
Thursday Night
Mostly clear, with a low around 79.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 85. Breezy.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Jacksonville Beach FL
30.3°N 81.39°W
30.3°N 81.39°W
9:47 am EDT Jun 29, 2026
2pm EDT Jun 29, 2026-6pm EDT Jul 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
