St. Petersburg, FL Hourly Forecast
St. Petersburg temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 5 PM - around 90°
- Coolest hour: 9 AM - around 81°
- Highest rain chance: 9 PM (68%) - pack accordingly
- UV peak: 1 PM at index 11 - sun protection recommended
- Windiest: 6 PM at 12 mph
St. Petersburg hourly weather - Saturday, August 15
In St. Petersburg, expect a high near 90°F (32°C) around 5 PM and a low of 81°F (27°C) near 9 AM; precipitation risk peaks at 68% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 9 AM | Partly Cloudy | 81° | 89° | 17% | 7 mph ESE | 93% | 2 | |
| 10 AM | Partly Cloudy | 82° | 93° | 16% | 8 mph SE | 90% | 4 | |
| 11 AM | Partly Cloudy | 86° | 101° | 14% | 6 mph SE | 86% | 6 | |
| 12 PM | Sunny | 88° | 102° | 11% | 4 mph SE | 82% | 9 | |
| 1 PM | Sunny | 89° | 104° | 9% | 2 mph SSE | 76% | 11 | |
| 2 PM | Sunny | 90° | 97° | 3% | 2 mph SW | 56% | 11 | |
| 3 PM | Sunny | 90° | 97° | 3% | 4 mph WSW | 56% | 9 | |
| 4 PM | Sunny | 90° | 98° | 3% | 8 mph WSW | 57% | 7 | |
| 5 PM | Partly Cloudy | 90° | 99° | 4% | 9 mph W | 58% | 4 | |
| 6 PM | Partly Cloudy | 89° | 99° | 6% | 12 mph SW | 62% | 2 | |
| 7 PM | Sunny | 88° | 98° | 5% | 10 mph SW | 68% | 0 | |
| 8 PM | Patchy rain nearby | 87° | 97° | 39% | 10 mph WSW | 70% | 0 | |
| 9 PM | Moderate rain at times | 86° | 95° | 68% | 5 mph W | 69% | 0 | |
| 10 PM | Patchy rain nearby | 87° | 95° | 25% | 3 mph NW | 66% | 0 | |
| 11 PM | Clear | 87° | 96° | 5% | 3 mph WNW | 66% | 0 |
St. Petersburg hourly weather - Sunday, August 16
In St. Petersburg, expect a high near 88°F (31°C) around 5 PM and a low of 83°F (28°C) near 8 AM; precipitation risk peaks at 26% around 1 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 87° | 96° | 22% | 4 mph NNW | 67% | 0 | |
| 1 AM | Patchy rain nearby | 86° | 95° | 26% | 7 mph NNW | 67% | 0 | |
| 2 AM | Partly Cloudy | 86° | 95° | 6% | 5 mph NNE | 67% | 0 | |
| 3 AM | Clear | 86° | 94° | 6% | 5 mph NE | 69% | 0 | |
| 4 AM | Clear | 85° | 93° | 6% | 4 mph E | 70% | 0 | |
| 5 AM | Clear | 85° | 92° | 6% | 4 mph E | 70% | 0 | |
| 6 AM | Clear | 84° | 92° | 6% | 5 mph ESE | 72% | 0 | |
| 7 AM | Clear | 84° | 91° | 7% | 6 mph SE | 73% | 0 | |
| 8 AM | Sunny | 83° | 90° | 6% | 6 mph SSE | 72% | 0 | |
| 9 AM | Sunny | 84° | 90° | 5% | 5 mph SSE | 70% | 2 | |
| 10 AM | Sunny | 85° | 91° | 5% | 4 mph S | 68% | 4 | |
| 11 AM | Sunny | 86° | 92° | 4% | 4 mph SSW | 66% | 6 | |
| 12 PM | Patchy rain nearby | 86° | 94° | 14% | 5 mph SW | 65% | 9 | |
| 1 PM | Patchy rain nearby | 87° | 95° | 14% | 7 mph SW | 66% | 11 | |
| 2 PM | Patchy rain nearby | 87° | 96° | 14% | 8 mph WSW | 66% | 11 | |
| 3 PM | Sunny | 87° | 97° | 5% | 10 mph WSW | 67% | 9 | |
| 4 PM | Sunny | 88° | 98° | 4% | 11 mph W | 66% | 6 | |
| 5 PM | Sunny | 88° | 98° | 4% | 11 mph W | 66% | 4 | |
| 6 PM | Sunny | 88° | 98° | 4% | 10 mph W | 66% | 2 | |
| 7 PM | Sunny | 87° | 97° | 5% | 10 mph W | 68% | 0 | |
| 8 PM | Sunny | 87° | 96° | 6% | 11 mph W | 69% | 0 | |
| 9 PM | Clear | 86° | 96° | 5% | 10 mph WNW | 70% | 0 | |
| 10 PM | Clear | 86° | 95° | 5% | 9 mph WNW | 71% | 0 | |
| 11 PM | Clear | 86° | 95° | 6% | 9 mph WNW | 71% | 0 |
St. Petersburg hourly weather - Monday, August 17
In St. Petersburg, expect a high near 88°F (31°C) around 3 PM and a low of 84°F (29°C) near 7 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 86° | 94° | 6% | 9 mph WNW | 72% | 0 | |
| 1 AM | Clear | 85° | 94° | 6% | 9 mph WNW | 73% | 0 | |
| 2 AM | Clear | 85° | 94° | 7% | 10 mph WNW | 73% | 0 | |
| 3 AM | Clear | 85° | 93° | 7% | 10 mph WNW | 74% | 0 | |
| 4 AM | Clear | 85° | 93° | 7% | 9 mph WNW | 74% | 0 | |
| 5 AM | Clear | 84° | 93° | 7% | 7 mph WNW | 74% | 0 | |
| 6 AM | Clear | 84° | 92° | 7% | 6 mph WNW | 74% | 0 | |
| 7 AM | Clear | 84° | 92° | 8% | 5 mph W | 74% | 0 | |
| 8 AM | Partly Cloudy | 84° | 92° | 9% | 6 mph W | 74% | 0 | |
| 9 AM | Partly Cloudy | 85° | 93° | 9% | 7 mph W | 73% | 2 | |
| 10 AM | Sunny | 85° | 94° | 7% | 8 mph W | 71% | 4 | |
| 11 AM | Sunny | 86° | 95° | 6% | 8 mph W | 69% | 6 | |
| 12 PM | Sunny | 87° | 96° | 5% | 9 mph W | 68% | 9 | |
| 1 PM | Sunny | 87° | 96° | 5% | 10 mph W | 67% | 11 | |
| 2 PM | Sunny | 87° | 97° | 5% | 12 mph W | 67% | 11 | |
| 3 PM | Sunny | 88° | 98° | 4% | 12 mph W | 66% | 9 | |
| 4 PM | Sunny | 88° | 98° | 4% | 12 mph W | 66% | 7 | |
| 5 PM | Sunny | 88° | 97° | 5% | 13 mph W | 66% | 4 | |
| 6 PM | Sunny | 87° | 96° | 5% | 12 mph W | 67% | 2 | |
| 7 PM | Sunny | 87° | 96° | 5% | 12 mph W | 68% | 0 | |
| 8 PM | Sunny | 86° | 95° | 6% | 11 mph W | 70% | 0 | |
| 9 PM | Clear | 86° | 95° | 7% | 11 mph W | 71% | 0 | |
| 10 PM | Clear | 85° | 94° | 7% | 11 mph W | 72% | 0 | |
| 11 PM | Clear | 85° | 94° | 8% | 12 mph W | 74% | 0 |
Quick answers for the hours ahead
What is the warmest hour in St. Petersburg today?
Will it rain in St. Petersburg tonight?
When is the UV index highest in St. Petersburg today?
St. Petersburg hour-by-hour: what to expect
Over the next 24 hours in St. Petersburg, temperatures range from 81°F (27°C) around 9 AM up to 90°F (32°C) near 5 PM - about 3°F (2°C) above the typical August high of 87°F (31°C).
Precipitation is a real possibility: the chance of rain peaks at 68% around 9 PM. UV reaches 11 (1 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the St. Petersburg 14-day forecast or the monthly climate averages.