St. Louis, MO Hourly Forecast
St. Louis temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 1 PM - around 88°
- Coolest hour: 5 AM - around 71°
- Highest rain chance: 12 AM (76%) - pack accordingly
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 2 AM at 11 mph
St. Louis hourly weather - Thursday, August 6
In St. Louis, expect a high near 83°F (28°C) around 3 PM and a low of 74°F (23°C) near 11 PM; precipitation risk peaks at 65% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 2 PM | Moderate rain at times | 77° | 81° | 57% | 9 mph S | 86% | 8 | |
| 3 PM | Patchy rain nearby | 83° | 92° | 33% | 10 mph S | 85% | 6 | |
| 4 PM | Sunny | 79° | 84° | 11% | 8 mph SSE | 84% | 4 | |
| 5 PM | Sunny | 83° | 93° | 11% | 8 mph SSE | 86% | 2 | |
| 6 PM | Sunny | 81° | 88° | 13% | 9 mph SE | 89% | 1 | |
| 7 PM | Sunny | 82° | 91° | 13% | 11 mph SE | 90% | 0 | |
| 8 PM | Patchy rain nearby | 75° | 79° | 32% | 9 mph SE | 88% | 0 | |
| 9 PM | Patchy rain nearby | 75° | 77° | 24% | 11 mph SE | 87% | 0 | |
| 10 PM | Moderate rain at times | 74° | 76° | 53% | 11 mph SE | 86% | 0 | |
| 11 PM | Moderate rain at times | 74° | 78° | 65% | 8 mph SE | 91% | 0 |
St. Louis hourly weather - Friday, August 7
In St. Louis, expect a high near 92°F (33°C) around 5 PM and a low of 71°F (22°C) near 5 AM; precipitation risk peaks at 76% around 12 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Light rain shower | 74° | 78° | 76% | 6 mph SSE | 90% | 0 | |
| 1 AM | Light drizzle | 73° | 77° | 62% | 8 mph SSE | 95% | 0 | |
| 2 AM | Patchy light drizzle | 72° | 74° | 52% | 11 mph SSE | 96% | 0 | |
| 3 AM | Clear | 72° | 75° | 16% | 9 mph S | 93% | 0 | |
| 4 AM | Mist | 71° | 75° | 21% | 6 mph SSW | 94% | 0 | |
| 5 AM | Mist | 71° | 75° | 22% | 6 mph S | 94% | 0 | |
| 6 AM | Clear | 71° | 75° | 16% | 6 mph SSW | 93% | 0 | |
| 7 AM | Patchy rain nearby | 72° | 77° | 32% | 4 mph S | 91% | 0 | |
| 8 AM | Patchy rain nearby | 74° | 80° | 26% | 4 mph S | 88% | 1 | |
| 9 AM | Sunny | 77° | 81° | 10% | 6 mph SSW | 80% | 2 | |
| 10 AM | Sunny | 80° | 83° | 6% | 6 mph S | 70% | 4 | |
| 11 AM | Sunny | 83° | 86° | 4% | 8 mph S | 64% | 6 | |
| 12 PM | Sunny | 85° | 89° | 3% | 7 mph S | 59% | 7 | |
| 1 PM | Sunny | 88° | 92° | 3% | 8 mph S | 55% | 8 | |
| 2 PM | Sunny | 89° | 94° | 3% | 9 mph SSW | 53% | 8 | |
| 3 PM | Sunny | 90° | 96° | 3% | 8 mph SSW | 51% | 6 | |
| 4 PM | Thundery outbreaks in nearby | 92° | 98° | 3% | 6 mph S | 50% | 4 | |
| 5 PM | Thundery outbreaks in nearby | 92° | 99° | 5% | 5 mph S | 52% | 2 | |
| 6 PM | Patchy rain nearby | 88° | 95° | 14% | 6 mph SSW | 60% | 1 | |
| 7 PM | Sunny | 85° | 91° | 4% | 6 mph SW | 63% | 0 | |
| 8 PM | Sunny | 82° | 85° | 5% | 5 mph SSW | 65% | 0 | |
| 9 PM | Clear | 80° | 83° | 5% | 7 mph SSW | 66% | 0 | |
| 10 PM | Patchy rain nearby | 78° | 81° | 38% | 5 mph SW | 65% | 0 | |
| 11 PM | Moderate rain at times | 74° | 77° | 48% | 6 mph SW | 76% | 0 |
St. Louis hourly weather - Saturday, August 8
In St. Louis, expect a high near 91°F (33°C) around 4 PM and a low of 69°F (21°C) near 5 AM; precipitation risk peaks at 40% around 1 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 72° | 75° | 11% | 6 mph SW | 85% | 0 | |
| 1 AM | Patchy rain nearby | 71° | 71° | 40% | 11 mph WSW | 88% | 0 | |
| 2 AM | Clear | 71° | 74° | 15% | 6 mph WSW | 91% | 0 | |
| 3 AM | Clear | 70° | 74° | 15% | 5 mph SW | 93% | 0 | |
| 4 AM | Clear | 70° | 73° | 15% | 6 mph WSW | 94% | 0 | |
| 5 AM | Clear | 69° | 73° | 16% | 5 mph W | 94% | 0 | |
| 6 AM | Mist | 69° | 72° | 21% | 6 mph WNW | 95% | 0 | |
| 7 AM | Partly Cloudy | 71° | 75° | 18% | 4 mph WNW | 94% | 0 | |
| 8 AM | Partly Cloudy | 74° | 79° | 15% | 4 mph WNW | 89% | 1 | |
| 9 AM | Sunny | 77° | 83° | 11% | 4 mph WNW | 82% | 2 | |
| 10 AM | Sunny | 80° | 84° | 9% | 3 mph NW | 75% | 4 | |
| 11 AM | Sunny | 84° | 88° | 5% | 2 mph NW | 67% | 6 | |
| 12 PM | Sunny | 86° | 92° | 4% | 1 mph S | 61% | 8 | |
| 1 PM | Sunny | 88° | 94° | 3% | 1 mph SSW | 57% | 8 | |
| 2 PM | Sunny | 90° | 97° | 2% | 1 mph NW | 54% | 8 | |
| 3 PM | Sunny | 91° | 98° | 2% | 1 mph SE | 52% | 6 | |
| 4 PM | Sunny | 91° | 98° | 2% | 2 mph ESE | 51% | 4 | |
| 5 PM | Sunny | 91° | 98° | 2% | 4 mph ESE | 53% | 2 | |
| 6 PM | Sunny | 90° | 98° | 3% | 5 mph ESE | 59% | 1 | |
| 7 PM | Sunny | 86° | 95° | 5% | 6 mph ESE | 70% | 0 | |
| 8 PM | Sunny | 82° | 87° | 8% | 7 mph ESE | 77% | 0 | |
| 9 PM | Clear | 80° | 84° | 9% | 8 mph SE | 81% | 0 | |
| 10 PM | Clear | 78° | 83° | 11% | 6 mph SE | 84% | 0 | |
| 11 PM | Clear | 78° | 82° | 11% | 7 mph SE | 84% | 0 |
Quick answers for the hours ahead
What is the warmest hour in St. Louis today?
Will it rain in St. Louis tonight?
When is the UV index highest in St. Louis today?
St. Louis hour-by-hour: what to expect
Over the next 24 hours in St. Louis, temperatures range from 71°F (22°C) around 5 AM up to 88°F (31°C) near 1 PM - about 3°F (2°C) above the typical August high of 85°F (30°C).
Precipitation is a real possibility: the chance of rain peaks at 76% around 12 AM. UV reaches 8 (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. Louis 14-day forecast or the monthly climate averages.