St Petersburg weather live forecast

Today's maximum temperature in St Petersburg is expected to be 18°C. Select a day from the live weather forecast for St Petersburg, Florida, USA for more weather parameters.

Thursday
15th Jan
18

7

4

2
Friday
16th Jan
14

4

11

4
Saturday
17th Jan
21

8

8

5
Sunday
18th Jan
18

6

3

4
Monday
19th Jan
13

4

11

4

5-day weather forecast updated at 04:02 on Thursday 15th January 2026 GMT

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The 5-day weather forecast for Florida (St Petersburg) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Petersburg weather forecast by day

Below are the detailed weather forecasts for St Petersburg for the next 5 days.

St Petersburg weather for Thursday 15th January 2026

Expect mostly cloudy with rain in St Petersburg, Florida with a maximum temperature of 18°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a fresh breeze of 32 kph from the north-west.

18
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
2
UV index (Low)
64
% chance of some rain
<10
mm of rainfall expected
18
°C wind chill
32
kph wind from NW

St Petersburg weather for Friday 16th January 2026

Expect clear skies in St Petersburg, Florida with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.

14
°C maximum temperature
4
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from NE

St Petersburg weather for Saturday 17th January 2026

Expect scattered clouds in St Petersburg, Florida with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

21
°C maximum temperature
8
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NE

St Petersburg weather for Sunday 18th January 2026

Expect mostly cloudy with light rain in St Petersburg, Florida with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a fresh breeze of 29 kph from the north.

18
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
19
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
29
kph wind from N

St Petersburg weather for Monday 19th January 2026

Expect scattered clouds in St Petersburg, Florida with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.