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

Heat Advisory in effect from August 19, 11:00 AM EDT until August 19, 08:00 PM EDT

Current conditions at

Jacksonville Naval Air Station (KNIP)

Lat: 30.23°NLon: 81.67°WElev: 10ft.

A Few Clouds

91°F

33°C

Humidity	61%
Wind Speed	SE 6 mph
Barometer	29.98 in (1014.8 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	19 Aug 12:53 pm EDT

More Information:

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

Extended Forecast for

7 Miles ENE St Johns FL

Heat Advisory until August 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 19, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
This Afternoon
High: 99 °F
Chance
T-storms
Tonight
Low: 77 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 98 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 77 °F
Chance
T-storms then
Mostly Clear
Friday
High: 97 °F
Sunny then
Chance
T-storms
Friday Night
Low: 76 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 95 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 76 °F
Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 113. West wind around 6 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. West wind 3 to 8 mph.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 113. Light and variable wind becoming southeast 5 to 7 mph in the morning.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. Southwest wind 6 to 8 mph.

Friday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Southwest wind 5 to 9 mph.

Friday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.

Saturday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.

Saturday Night

A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76.

Sunday

A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 94.

Sunday Night

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

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.

Monday Night

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