10-day forecast for St. Augustine, FL: 75° to 95°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
95°
Best day: Wednesday, August 12
89° · 0.15 in
Worst day: Saturday, August 8
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0992° / 75°0.03
Morning78°feels 79°
Afternoon89°feels 102°
Evening83°feels 90°
Overnight76°feels 78°
92 °
St. Augustine, Sunday, 9 August
Light rain. High 92°, low 75°.
Pressure30.12 inHg
Wind8.2 mph SE
Humidity65%
Visibility6.2 mi
Dew point74°
Mon, 1091° / 75°0
Morning77°feels 78°
Afternoon91°feels 103°
Evening83°feels 89°
Overnight76°feels 77°
91 °
St. Augustine, Monday, 10 August
Overcast. High 91°, low 75°.
Pressure30.15 inHg
Wind6.4 mph SE
Humidity60%
Visibility6.2 mi
Dew point73°
Tue, 1192° / 78°0.05
Morning78°feels 79°
Afternoon91°feels 99°
Evening85°feels 93°
Overnight80°feels 84°
92 °
St. Augustine, Tuesday, 11 August
Light rain. High 92°, low 78°.
Pressure30.12 inHg
Wind0.9 mph NE
Humidity57%
Visibility6.2 mi
Dew point73°
Wed, 1295° / 78°0
Morning79°feels 79°
Afternoon95°feels 101°
Evening85°feels 92°
Overnight81°feels 85°
95 °
St. Augustine, Wednesday, 12 August
Clear. High 95°, low 78°.
Pressure30.03 inHg
Wind6.7 mph W
Humidity47%
Visibility6.2 mi
Dew point69°
Thu, 1395° / 79°0
Morning84°feels 86°
Afternoon93°feels 100°
Evening85°feels 91°
Overnight83°feels 85°
95 °
St. Augustine, Thursday, 13 August
Clear. High 95°, low 79°.
Pressure30.00 inHg
Wind10.8 mph SE
Humidity45%
Visibility—
Dew point68°
Fri, 1493° / 78°0
Morning83°feels 86°
Afternoon92°feels 99°
Evening85°feels 90°
Overnight82°feels 85°
93 °
St. Augustine, Friday, 14 August
Overcast. High 93°, low 78°.
Pressure30.09 inHg
Wind11.9 mph S
Humidity48%
Visibility—
Dew point69°
Sat, 1594° / 78°0.02
Morning83°feels 85°
Afternoon92°feels 98°
Evening82°feels 87°
Overnight78°feels 80°
94 °
St. Augustine, Saturday, 15 August
Light rain. High 94°, low 78°.
Pressure30.12 inHg
Wind11 mph SE
Humidity46%
Visibility—
Dew point68°
Sun, 1685° / 79°0.02
Morning80°feels 83°
Afternoon84°feels 91°
Evening81°feels 87°
Overnight80°feels 84°
85 °
St. Augustine, Sunday, 16 August
Light rain. High 85°, low 79°.
Pressure30.12 inHg
Wind10.3 mph NE
Humidity70%
Visibility—
Dew point73°
Mon, 1787° / 79°0
Morning83°feels 88°
Afternoon86°feels 91°
Evening81°feels 84°
Overnight80°feels 81°
87 °
St. Augustine, Monday, 17 August
Overcast. High 87°, low 79°.
Pressure30.12 inHg
Wind9.9 mph E
Humidity61%
Visibility—
Dew point71°
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, 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.