29.08
sat
sat
Day
88°F
NW 9 mph
Precip.
13%
13%
Night
79°F
W 9 mph
Precip.
15%
15%
30.08
sun
sun
Day
82°F
W 6 mph
Precip.
21%
21%
Night
81°F
NW 6 mph
Precip.
29%
29%
31.08
mon
mon
Day
82°F
W 7 mph
Precip.
11%
11%
Night
81°F
W 8 mph
Precip.
13%
13%
01.09
tue
tue
Day
82°F
W 9 mph
Precip.
19%
19%
Night
81°F
NW 9 mph
Precip.
12%
12%
02.09
wed
wed
Day
82°F
SW 7 mph
Precip.
18%
18%
Night
81°F
W 6 mph
Precip.
15%
15%
03.09
thu
thu
Day
82°F
W 7 mph
Precip.
17%
17%
Night
81°F
NW 9 mph
Precip.
12%
12%
04.09
fri
fri
Day
84°F
NW 6 mph
Precip.
6%
6%
Night
79°F
N 9 mph
Precip.
13%
13%
sea water
temperature
temperature
| St. Augustine |
monthly
weather
weather
| St. Augustine |
current
weather
weather
| St. Augustine |
14 days
forecast
forecast
| St. Augustine |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 82.2°F. The highest and lowest sea temperatures during the month were 84.4°F and 80.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 81.8°F. The highest and lowest sea temperatures during the month were 84.7°F and 78.8°F.
Air temperature in St. Augustine, °F
Precipitation total in St. Augustine, in.
* Charts above show average data for the last 3 years.
Best time for vacation in St. Augustine
St. Augustine on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Augustine
Local time: 20:56
August 29, saturday
2100
79°F
W
11 mph
11 mph
August 30, sunday
0000
79°F
W
9 mph
9 mph
0300
81°F
NW
8 mph
8 mph
0600
79°F
W
7 mph
7 mph
0900
81°F
W
7 mph
7 mph
1200
82°F
W
6 mph
6 mph
1500
82°F
W
9 mph
9 mph
1800
82°F
W
9 mph
9 mph
