10-day forecast for St. Augustine South, FL: 75° to 96°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Wednesday, August 12
95° · 0.96 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 75°0.02
Morning78°feels 79°
Afternoon84°feels 88°
Evening81°feels 85°
Overnight76°feels 78°
91 °
St. Augustine South, Monday, 10 August
Light rain. High 91°, low 75°.
Pressure30.15 inHg
Wind3.7 mph SE
Humidity58%
Visibility6.2 mi
Dew point73°
Tue, 1192° / 76°0.1
Morning77°feels 79°
Afternoon90°feels 98°
Evening86°feels 93°
Overnight77°feels 78°
92 °
St. Augustine South, Tuesday, 11 August
Rain. High 92°, low 76°.
Pressure30.12 inHg
Wind1.5 mph NE
Humidity53%
Visibility6.2 mi
Dew point72°
Wed, 1296° / 77°0.01
Morning79°feels 79°
Afternoon96°feels 102°
Evening85°feels 92°
Overnight80°feels 80°
96 °
St. Augustine South, Wednesday, 12 August
Light rain. High 96°, low 77°.
Pressure30.03 inHg
Wind6.6 mph W
Humidity44%
Visibility6.2 mi
Dew point68°
Thu, 1395° / 77°0.96
Morning80°feels 80°
Afternoon92°feels 100°
Evening77°feels 78°
Overnight79°feels 79°
95 °
St. Augustine South, Thursday, 13 August
Heavy rain. High 95°, low 77°.
Pressure30.03 inHg
Wind4 mph W
Humidity52%
Visibility6.2 mi
Dew point72°
Fri, 1493° / 76°0.03
Morning82°feels 85°
Afternoon91°feels 99°
Evening82°feels 89°
Overnight81°feels 85°
93 °
St. Augustine South, Friday, 14 August
Light rain. High 93°, low 76°.
Pressure30.12 inHg
Wind7.9 mph SE
Humidity50%
Visibility—
Dew point70°
Sat, 1592° / 78°0
Morning83°feels 85°
Afternoon91°feels 97°
Evening84°feels 90°
Overnight82°feels 86°
92 °
St. Augustine South, Saturday, 15 August
Overcast. High 92°, low 78°.
Pressure30.15 inHg
Wind11.2 mph SE
Humidity49%
Visibility—
Dew point68°
Sun, 1691° / 80°0.18
Morning84°feels 90°
Afternoon89°feels 98°
Evening82°feels 89°
Overnight80°feels 86°
91 °
St. Augustine South, Sunday, 16 August
Light rain. High 91°, low 80°.
Pressure30.09 inHg
Wind10 mph E
Humidity57%
Visibility—
Dew point72°
Mon, 1788° / 77°0.03
Morning81°feels 84°
Afternoon87°feels 95°
Evening82°feels 87°
Overnight79°feels 79°
88 °
St. Augustine South, Monday, 17 August
Light rain. High 88°, low 77°.
Pressure30.03 inHg
Wind11.6 mph SE
Humidity65%
Visibility—
Dew point73°
Tue, 1893° / 77°0.04
Morning82°feels 85°
Afternoon91°feels 99°
Evening83°feels 89°
Overnight81°feels 86°
93 °
St. Augustine South, Tuesday, 18 August
Light rain. High 93°, low 77°.
Pressure29.97 inHg
Wind11.8 mph SE
Humidity51%
Visibility—
Dew point70°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in St. Augustine South, FL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.