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

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

A Few Clouds

96°F

36°C

Humidity	48%
Wind Speed	Vrbl 6 mph
Barometer	29.95 in (1014.1 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	106°F (41°C)
Last update	19 Aug 1:52 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles NW Mayport Naval Station FL

Heat Advisory August 20, 11:00am until August 20, 07:00pm

Heat Advisory August 19, 02:31pm until August 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 19, 02:31pm until August 19, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
This Afternoon
High: 96 °F
Slight Chance
T-storms
Tonight
Low: 77 °F
Chance
T-storms then
Mostly Clear
Thursday
High: 95 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 77 °F
Slight Chance
T-storms then
Partly Cloudy
Friday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 76 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 92 °F
Mostly Sunny
then T-storms
Likely
Saturday Night
Low: 75 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

This Afternoon

A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Heat index values as high as 110. Northwest wind around 6 mph becoming northeast.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South wind 5 to 7 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 110. West wind 5 to 9 mph becoming southeast in the afternoon.

Thursday Night

A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 77. Southwest wind 5 to 9 mph. Chance of precipitation is 10%.

Friday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph becoming southeast in the afternoon.

Friday Night

A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76.

Saturday

Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

Sunday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.