St. Petersburg, FL 14-Day Forecast
Florida, United States 🇺🇸
95°
Sunny right now
Today: high 95°, low 77°
Updated 5 hours ago
St. Petersburg weather for the next 14 days
Thursday, August 13
Sunny High 89° Low 80°Precipitation
17%
· 0.01 in
Max wind
13 mph
Humidity
67%
UV index
11 - Very High
Sunrise / sunset
07:00 AM / 08:10 PM
Friday, August 14
Sunny High 89° Low 83°Precipitation
57%
· 0.09 in
Max wind
10 mph
Humidity
66%
UV index
11 - Very High
Sunrise / sunset
07:00 AM / 08:10 PM
Saturday, August 15
Sunny High 90° Low 83°Precipitation
57%
· 0.06 in
Max wind
12 mph
Humidity
66%
UV index
11 - Very High
Sunrise / sunset
07:01 AM / 08:09 PM
Sunday, August 16
Sunny High 88° Low 82°Precipitation
8%
· 0.0 in
Max wind
12 mph
Humidity
69%
UV index
8 - Very High
Sunrise / sunset
07:01 AM / 08:08 PM
Monday, August 17
Sunny High 88° Low 85°Precipitation
5%
· 0.0 in
Max wind
16 mph
Humidity
66%
UV index
8 - Very High
Sunrise / sunset
07:02 AM / 08:07 PM
Tuesday, August 18
Sunny High 89° Low 85°Precipitation
61%
· 0.17 in
Max wind
13 mph
Humidity
69%
UV index
8 - Very High
Sunrise / sunset
07:02 AM / 08:06 PM
Wednesday, August 19
Sunny High 88° Low 84°Precipitation
70%
· 0.5 in
Max wind
11 mph
Humidity
70%
UV index
8 - Very High
Sunrise / sunset
07:03 AM / 08:05 PM
Thursday, August 20
Patchy rain nearby High 87° Low 85°Precipitation
57%
· 0.09 in
Max wind
12 mph
Humidity
69%
UV index
8 - Very High
Sunrise / sunset
07:03 AM / 08:04 PM
Friday, August 21
Sunny High 87° Low 84°Precipitation
36%
· 0.02 in
Max wind
9 mph
Humidity
69%
UV index
8 - Very High
Sunrise / sunset
07:04 AM / 08:03 PM
Saturday, August 22
Sunny High 90° Low 83°Precipitation
63%
· 0.2 in
Max wind
15 mph
Humidity
66%
UV index
8 - Very High
Sunrise / sunset
07:04 AM / 08:02 PM
Sunday, August 23
Sunny High 88° Low 83°Precipitation
57%
· 0.08 in
Max wind
12 mph
Humidity
67%
UV index
8 - Very High
Sunrise / sunset
07:05 AM / 08:01 PM
Monday, August 24
Sunny High 90° Low 81°Precipitation
36%
· 0.04 in
Max wind
13 mph
Humidity
66%
UV index
8 - Very High
Sunrise / sunset
07:05 AM / 08:00 PM
Tuesday, August 25
Sunny High 88° Low 81°Precipitation
36%
· 0.01 in
Max wind
12 mph
Humidity
68%
UV index
8 - Very High
Sunrise / sunset
07:06 AM / 07:59 PM
St. Petersburg 14-day outlook: the story
The warmest day of St. Petersburg's 14-day outlook is Wednesday, August 12 with a high near 95°F (35°C); the coolest night comes Wednesday, August 12, dipping to 77°F (25°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 14, Saturday 15, Tuesday 18, Wednesday 19 and beyond; the wettest day looks like Wednesday, August 19 with about 0.5 in (12.6 mm) expected. For the weekend, expect Saturday 90°F (32°C) and sunny / Sunday 88°F (31°C) and sunny.
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 7 of the next 14 days, peaking around Wednesday, August 19.
What will be the warmest day in St. Petersburg over the next 14 days?
Wednesday, August 12, with a forecast high near 95°F (35°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