5-day weather forecast St. Louis 09-07-2026
Weather forecast St. Louis today 09.07.2026: sunny, temperature from 22 °C to 36 °C.
Precipitation probability 12%. Wind up to 5.19 m/s (gusts 9.97 m/s). Air humidity 44–96%, atmospheric pressure 756–760 mm Hg, UV index up to 9.4.
Sunset 20:27
Moonrise 00:55 · Moonset 15:29
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 25 °C | 12% | 3% | 87% | 760 mm Hg | SE 142° 2.19 (4.61) m/s | 0 |
| 01:00 | Clear | 24 °C | 14% | 10% | 90% | 760 mm Hg | SE 144° 2.39 (5.03) m/s | 0 |
| 02:00 | Clear | 24 °C | 15% | 7% | 93% | 760 mm Hg | SSE 157° 2.39 (5.03) m/s | 0 |
| 03:00 | Clear | 24 °C | 15% | 5% | 93% | 759 mm Hg | S 172° 2.39 (5.03) m/s | 0 |
| 04:00 |  Mist | 23 °C | 16% | 0% | 96% | 760 mm Hg | S 182° 1.5 (3.14) m/s | 0 |
| 05:00 | Clear | 23 °C | 13% | 1% | 90% | 759 mm Hg | SSE 167° 2.39 (5.03) m/s | 0 |
| 06:00 |  Sunny | 23 °C | 13% | 0% | 90% | 759 mm Hg | S 183° 2.69 (5.67) m/s | 0 |
| 07:00 | Sunny | 24 °C | 14% | 3% | 92% | 759 mm Hg | SSW 193° 1.61 (2.86) m/s | 0.4 |
| 08:00 | Sunny | 25 °C | 11% | 2% | 84% | 760 mm Hg | SW 225° 2.5 (3.5) m/s | 1.1 |
| 09:00 | Sunny | 27 °C | 9% | 3% | 79% | 760 mm Hg | WSW 237° 2.81 (3.44) m/s | 2.6 |
| 10:00 | Sunny | 30 °C | 6% | 1% | 72% | 760 mm Hg | W 259° 2.31 (2.75) m/s | 4.6 |
| 11:00 | Sunny | 34 °C | 5% | 15% | 66% | 759 mm Hg | SW 231° 2.11 (2.42) m/s | 7 |
| 12:00 | Sunny | 35 °C | 3% | 0% | 58% | 758 mm Hg | SSW 204° 2.81 (3.22) m/s | 8.2 |
| 13:00 | Sunny | 36 °C | 1% | 0% | 48% | 758 mm Hg | SSW 210° 3.5 (4.03) m/s | 9.4 |
| 14:00 | Sunny | 35 °C | 2% | 22% | 44% | 758 mm Hg | SW 226° 2.81 (3.56) m/s | 8.1 |
| 15:00 | Sunny | 33 °C | 3% | 20% | 54% | 758 mm Hg | WSW 250° 1.89 (2.5) m/s | 4.9 |
| 16:00 | Sunny | 32 °C | 4% | 23% | 58% | 757 mm Hg | NNE 26° 0.5 (0.75) m/s | 3.8 |
| 17:00 | Sunny | 34 °C | 3% | 24% | 51% | 756 mm Hg | ESE 115° 1.39 (1.83) m/s | 1.2 |
| 18:00 |  Light drizzle | 32 °C | 37% (0.37 mm/hr) | 82% | 63% | 756 mm Hg | E 80° 1.69 (2.58) m/s | 0.8 |
| 19:00 |  Patchy light rain with thunder | 27 °C | 43% (0.43 mm/hr) | 76% | 79% | 756 mm Hg | NNE 29° 1.5 (2.94) m/s | 0.4 |
| 20:00 |  Light rain shower | 25 °C | 70% (2.14 mm/hr) | 64% | 87% | 757 mm Hg | NNE 26° 5.19 (8) m/s | 0 |
| 21:00 |  Moderate or heavy rain shower | 23 °C | 86% (6.77 mm/hr) | 64% | 95% | 758 mm Hg | NE 49° 5.19 (9.97) m/s | 0 |
| 22:00 |  Patchy rain possible | 23 °C | 58% (0.44 mm/hr) | 82% | 96% | 758 mm Hg | ENE 62° 3.19 (6.75) m/s | 0 |
| 23:00 | Patchy rain possible | 22 °C | 65% (0.65 mm/hr) | 83% | 96% | 757 mm Hg | ENE 65° 2.81 (5.92) m/s | 0 |
Frequently asked questions about the weather in St. Louis
Today in St. Louis the temperature ranges from 22 °C to 36 °C, wind up to 5.19 m/s. Check the detailed hourly forecast above for more information.
The precipitation probability in St. Louis today is 12%. View the full multi-day forecast above to see the rain chances for each upcoming day.
The wind speed in St. Louis today reaches up to 5.19 m/s with gusts up to 9.97 m/s. Check the detailed wind chart above for hourly wind data.
The air humidity in St. Louis today ranges from 44% to 96%. View the humidity chart above for hourly details.
The UV index in St. Louis today reaches up to 9.4. Check the UV index chart above for hourly values throughout the day.
The atmospheric pressure in St. Louis today ranges from 756 to 760 mm Hg. View the pressure chart above for hourly readings.
Cloud cover in St. Louis today reaches up to 83%. Check the cloud cover chart above for hourly details throughout the day.
St. Louis on the map
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.