Measurements:
°C
°F
CURRENT WEATHER
19:52
St. Petersburg
84°F
SW 11 mph
Feels like: 92°F
Precip: 21%
World Resorts USA St. Petersburg Weather

7 Day Weather Forecast

10.05
mon
DAY
88°F
N 11 mph
precip
21%
NIGHT
82°F
W 14 mph
precip
24%
10.06
tue
DAY
82°F
SW 8 mph
precip
42%
NIGHT
80°F
W 14 mph
precip
27%
10.07
wed
DAY
82°F
W 5 mph
precip
28%
NIGHT
82°F
SW 11 mph
precip
24%
10.08
thu
DAY
82°F
W 6 mph
precip
17%
NIGHT
80°F
SW 22 mph
precip
21%
10.09
fri
DAY
84°F
W 9 mph
precip
19%
NIGHT
84°F
NW 14 mph
precip
12%
10.10
sat
DAY
86°F
NW 16 mph
precip
30%
NIGHT
86°F
N 8 mph
precip
20%
10.11
sun
DAY
88°F
N 12 mph
precip
22%
NIGHT
86°F
NE 3 mph
precip
16%

St. Petersburg Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for St. Petersburg was 26.3°F. The maximum and minimum values were 23.6°F and 29.2°F respectively.

St. Petersburg on the Weather Map

Best Time to Visit St. Petersburg
The most sunny months:
May 20 days
March 20 days
April 20 days
The most warm months:
July 92.2 °F
August 91.8 °F
June 90.6 °F
Warmest sea temperature:
August 91.5 °F
July 91.5 °F
September 89.2 °F
The most cold months:
January 66.0 °F
February 70.5 °F
December 70.5 °F
The most rainy months:
August 4 days
July 4 days
September 4 days
The most windy months:
April 12 mph
November 12 mph
October 12 mph
more details