St. Petersburg, FL 14-Day Forecast

Florida, United States 🇺🇸
87°
Overcast right now Today: high 91°, low 76°
Updated 2 hours ago

St. Petersburg weather for the next 14 days

Today

Sunny High 91° Low 76°
Precipitation
20% · 0.01 in
12 mph
10 - Very High
Sunrise / sunset
07:06 AM / 07:58 PM

Thursday, August 27

Sunny High 87° Low 81°
Precipitation
36% · 0.02 in
Max wind
17 mph
Humidity
66%
UV index
11 - Very High
Sunrise / sunset
07:07 AM / 07:57 PM

Friday, August 28

Sunny High 88° Low 78°
Precipitation
58% · 0.17 in
Max wind
19 mph
Humidity
65%
UV index
8 - Very High
Sunrise / sunset
07:07 AM / 07:56 PM

Saturday, August 29

Sunny High 91° Low 81°
Precipitation
57% · 0.05 in
Max wind
13 mph
Humidity
66%
UV index
8 - Very High
Sunrise / sunset
07:08 AM / 07:55 PM

Sunday, August 30

Overcast High 91° Low 82°
Precipitation
67% · 0.11 in
Max wind
20 mph
Humidity
69%
UV index
7 - High
Sunrise / sunset
07:08 AM / 07:54 PM

Monday, August 31

Overcast High 92° Low 82°
Precipitation
21% · 0.01 in
Max wind
16 mph
Humidity
69%
UV index
8 - Very High
Sunrise / sunset
07:09 AM / 07:52 PM

Tuesday, September 1

Partly Cloudy High 91° Low 82°
Precipitation
11% · 0.0 in
Max wind
15 mph
Humidity
69%
UV index
8 - Very High
Sunrise / sunset
07:09 AM / 07:51 PM

Wednesday, September 2

Sunny High 90° Low 82°
Precipitation
36% · 0.01 in
Max wind
14 mph
Humidity
69%
UV index
8 - Very High
Sunrise / sunset
07:10 AM / 07:50 PM

Thursday, September 3

Sunny High 90° Low 82°
Precipitation
57% · 0.08 in
Max wind
14 mph
Humidity
67%
UV index
8 - Very High
Sunrise / sunset
07:10 AM / 07:49 PM

Friday, September 4

Sunny High 89° Low 82°
Precipitation
36% · 0.02 in
Max wind
12 mph
Humidity
64%
UV index
8 - Very High
Sunrise / sunset
07:10 AM / 07:48 PM

Saturday, September 5

Sunny High 88° Low 85°
Precipitation
4% · 0.0 in
Max wind
12 mph
Humidity
64%
UV index
8 - Very High
Sunrise / sunset
07:11 AM / 07:47 PM

Sunday, September 6

Sunny High 87° Low 84°
Precipitation
4% · 0.0 in
Max wind
12 mph
Humidity
66%
UV index
8 - Very High
Sunrise / sunset
07:11 AM / 07:46 PM

Monday, September 7

Sunny High 89° Low 80°
Precipitation
12% · 0.0 in
Max wind
12 mph
Humidity
68%
UV index
8 - Very High
Sunrise / sunset
07:12 AM / 07:45 PM

Tuesday, September 8

Sunny High 88° Low 80°
Precipitation
11% · 0.0 in
Max wind
11 mph
Humidity
67%
UV index
8 - Very High
Sunrise / sunset
07:12 AM / 07:43 PM

St. Petersburg 14-day outlook: the story

The warmest day of St. Petersburg's 14-day outlook is Monday, August 31 with a high near 92°F (33°C); the coolest night comes Wednesday, August 26, dipping to 76°F (24°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 90°F (32°C), about 3°F (2°C) above the typical August high of 87°F (31°C).

Precipitation is most likely on Friday 28, Saturday 29, Sunday 30, Thursday 3; the wettest day looks like Friday, August 28 with about 0.17 in (4.2 mm) expected. For the weekend, expect Saturday 91°F (33°C) and sunny / Sunday 91°F (33°C) and overcast.

For typical conditions month by month, see the St. Petersburg climate & average temperatures guide.

St. Petersburg forecast questions

Will it rain in St. Petersburg this week?
The forecast currently shows meaningful precipitation chances on 4 of the next 14 days, peaking around Friday, August 28.
What will be the warmest day in St. Petersburg over the next 14 days?
Monday, August 31, with a forecast high near 92°F (33°C).
How accurate is a 14-day forecast for St. Petersburg?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.

Average temperatures in St. Petersburg by month

Monthly averages for St. Petersburg based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 68° 55° 8 2.9 in 8.5 h/day 75%
February 72° 59° 6 2.0 in 9.6 h/day 78%
March 76° 63° 6 1.8 in 10.4 h/day 73%
April 80° 67° 8 2.6 in 11.5 h/day 71%
May 85° 72° 10 3.2 in 12.0 h/day 70%
June 87° 76° 21 6.5 in 11.2 h/day 78%
July 88° 78° 25 6.8 in 10.9 h/day 78%
August 87° 78° 25 8.5 in 10.4 h/day 79%
September 86° 76° 20 6.8 in 10.0 h/day 79%
October 83° 71° 9 3.5 in 9.9 h/day 74%
November 77° 65° 6 2.0 in 9.1 h/day 74%
December 72° 60° 6 3.0 in 8.5 h/day 78%
14-day forecasts nearby