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

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

89°F

32°C

Humidity	65%
Wind Speed	W 5 mph
Barometer	30.05 in (1017.7 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	20 Aug 11:56 am EDT

More Information:

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

Extended Forecast for

3 Miles WSW Saint Augustine South FL

Heat Advisory until August 20, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 20, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
This Afternoon
High: 95 °F
Chance
T-storms
Tonight
Low: 76 °F
Chance
T-storms
Friday
High: 94 °F
Sunny then
Chance
T-storms
Friday Night
Low: 75 °F
Chance
T-storms then
Slight Chance
Showers
Saturday
High: 93 °F
Slight Chance
T-storms then
Showers
Likely
Saturday Night
Low: 74 °F
Showers
Likely then
Partly Cloudy
Sunday
High: 92 °F
Chance
T-storms
Sunday Night
Low: 74 °F
Partly Cloudy

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 95. Heat index values as high as 112. Southwest wind 6 to 9 mph becoming southeast.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before midnight. 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. Mostly sunny, with a high near 94. Heat index values as high as 110. Southeast wind 3 to 8 mph.

Friday Night

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

Saturday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 93. Southwest wind 6 to 9 mph. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

Sunday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.

Sunday Night

Partly cloudy, with a low around 74.

Monday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

Monday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

Tuesday

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