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
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
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| 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