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 20, 11:00 AM EDT until August 20, 07:00 PM EDT

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Partly Cloudy

74°F

23°C

Humidity	94%
Wind Speed	W 6 mph
Barometer	29.97 in (1015.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	20 Aug 6:56 am EDT

More Information:

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

Extended Forecast for

4 Miles E Jacksonville International Airport FL

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

Click here for hazard details and duration

Heat Advisory

Today
High: 97 °F
Mostly Sunny
then Chance
T-storms
Tonight
Low: 76 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 93 °F
Sunny then
Chance
T-storms
Friday Night
Low: 75 °F
Chance
T-storms then
Slight Chance
Showers
Saturday
High: 92 °F
Mostly Sunny
then T-storms
Likely
Saturday Night
Low: 75 °F
T-storms
Likely then
Chance
Showers
Sunday
High: 92 °F
Chance
T-storms
Sunday Night
Low: 75 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 93 °F
Sunny then
Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming south 5 to 7 mph in the afternoon.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 76. South wind 5 to 7 mph becoming calm after midnight.

Friday

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 93. Heat index values as high as 105. South wind 3 to 7 mph.

Friday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 75. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

Saturday

Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Southwest wind around 7 mph. Chance of precipitation is 70%.

Saturday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

Sunday

A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 92. Chance of precipitation is 30%.

Sunday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.

Monday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.