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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.
Mostly Cloudy
94°F
34°C
| Humidity | 52% |
| Wind Speed | W 8 mph |
| Barometer | 30.02 in (1016.3 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 17 Aug 1:52 pm EDT |
Extended Forecast for
2 Miles N Mayport Naval Station FL
Heat Advisory August 17, 02:23pm until August 17, 08:00pm
Extreme Heat Warning August 18, 11:00am until August 18, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
This Afternoon
High: 91 °F
Chance
T-stormsTonight
Low: 80 °F
Chance
T-storms then
Partly CloudyTuesday
High: 91 °F
Sunny then
Chance
T-stormsTuesday Night
Low: 80 °F
Chance
T-storms then
Partly CloudyWednesday
High: 91 °F
Sunny then
Slight Chance
T-stormsWednesday Night
Low: 80 °F
Slight Chance
T-storms then
Partly CloudyThursday
High: 90 °F
Sunny
Thursday Night
Low: 80 °F
Partly Cloudy
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 91. Heat index values as high as 106. Southwest wind around 9 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 80. Southwest wind around 11 mph, with gusts as high as 16 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 111. West wind around 11 mph, with gusts as high as 16 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 80. West wind 9 to 14 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. West wind 6 to 8 mph becoming southeast in the afternoon.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80.
Thursday
Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 80.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 78.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles N Mayport Naval Station FL
30.44°N 81.42°W
30.44°N 81.42°W
12:36 pm EDT Aug 17, 2026
2pm EDT Aug 17, 2026-6pm EDT Aug 23, 2026
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