26.08
wed
wed
Day
66°F
S 6 mph
Precip.
2%
2%
Night
55°F
S 3 mph
Precip.
25%
25%
27.08
thu
thu
Day
66°F
S 4 mph
Precip.
13%
13%
Night
52°F
W 4 mph
Precip.
25%
25%
28.08
fri
fri
Day
66°F
NW 2 mph
Precip.
10%
10%
Night
52°F
W 4 mph
Precip.
15%
15%
29.08
sat
sat
Day
66°F
NW 8 mph
Precip.
3%
3%
Night
63°F
NW 11 mph
Precip.
18%
18%
30.08
sun
sun
Day
63°F
NE 7 mph
Precip.
32%
32%
Night
59°F
NE 8 mph
Precip.
40%
40%
31.08
mon
mon
Day
61°F
N 12 mph
Precip.
31%
31%
Night
59°F
NE 6 mph
Precip.
32%
32%
01.09
tue
tue
Day
68°F
N 11 mph
Precip.
16%
16%
Night
57°F
N 3 mph
Precip.
35%
35%
sea water
temperature
temperature
| St Petersburg |
monthly
weather
weather
| St Petersburg |
current
weather
weather
| St Petersburg |
14 days
forecast
forecast
| St Petersburg |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 64.6°F. The highest and lowest sea temperatures during the month were 69.1°F and 61.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 56.8°F. The highest and lowest sea temperatures during the month were 63.0°F and 45.9°F.
Air temperature in St Petersburg, °F
Precipitation total in St Petersburg, in.
* Charts above show average data for the last 3 years.
Best time for vacation in St Petersburg
St Petersburg on a weather map
Places in Russia:
Name
°F
24 Hours Forecast
St Petersburg
Local time: 01:06
August 26, wednesday
0300
50°F
S
4 mph
4 mph
0600
48°F
SE
3 mph
3 mph
0900
59°F
S
4 mph
4 mph
1200
66°F
S
6 mph
6 mph
1500
70°F
SE
6 mph
6 mph
1800
63°F
SE
5 mph
5 mph
2100
57°F
SE
4 mph
4 mph
August 27, thursday
0000
55°F
S
3 mph
3 mph
