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Torrential downpours pose dangerous flash flood risk in southeast US. Get details Chevron right
Tropical Storm Dexter forms in Atlantic, may lead to a flurry of August activity Chevron right

St Augustine, FL

83°F
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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, August 21

Day

8/21
88°Hi
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Mostly cloudy and humid; a couple of showers in the afternoon

Max UV Index4 (Moderate)

WindWSW 9 mph

Wind Gusts16 mph

Probability of Precipitation58%

Probability of Thunderstorms17%

Precipitation0.03 in

Rain0.03 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover80%

Night

8/21
76°Lo
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
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Cloudy and humid; a thunderstorm in the evening followed by a couple of showers late

WindWSW 8 mph

Wind Gusts13 mph

Probability of Precipitation65%

Probability of Thunderstorms39%

Precipitation0.28 in

Rain0.28 in

Hours of Precipitation3

Hours of Rain3

Cloud Cover93%

Sun & Moon

13 hrs 04 mins
Rise 6:56 AM
Set 8:00 PM
Waning Crescent
Rise 5:07 AM
Set 7:18 PM

Temperature History

8/21
High
Low
Forecast
88°
76°
Average
90°
74°
Last Year
89°
75°
Record
96°
2016
65°
1961

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World North America United States Florida St Augustine

Weather Near St Augustine:

  • Fruit Cove, FL
  • Jacksonville, FL
  • Lakeside, FL
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