5-day weather forecast St. Louis Oct 22, 2026
25°Weather forecast St. Louis Thursday Oct 22, 2026: sunny, temperature from 15 °C to 25 °C.
Precipitation probability 1%. Wind up to 2.19 m/s (gusts 6.5 m/s). Air humidity 24–42%, atmospheric pressure 767–769 mm Hg, UV index up to 4.4.
5 days at a glance — tap a day to open it
Sunrise 07:17
Sunset 18:13
Sunset 18:13
Waxing Gibbous92% illuminated
Moonrise 16:24 · Moonset 03:40
Moonrise 16:24 · Moonset 03:40
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 18 °C | 1% | 5% | 39% | 768 mm Hg | SE 141° 1.5 (1.61) m/s | 0 |
| 01:00 |  Smoky haze | 17 °C | 1% | 5% | 39% | 767 mm Hg | SE 138° 1.61 (1.69) m/s | 0 |
| 02:00 | Smoky haze | 17 °C | 1% | 5% | 39% | 767 mm Hg | SE 139° 1.61 (2.11) m/s | 0 |
| 03:00 | Smoky haze | 17 °C | 1% | 5% | 40% | 768 mm Hg | SE 138° 1.31 (1.42) m/s | 0 |
| 04:00 | Smoky haze | 16 °C | 1% | 5% | 40% | 767 mm Hg | SE 132° 1.31 (1.39) m/s | 0 |
| 05:00 | Smoky haze | 16 °C | 1% | 5% | 41% | 768 mm Hg | SE 143° 1.11 (1.11) m/s | 0 |
| 06:00 | Smoky haze | 15 °C | 1% | 2% | 41% | 768 mm Hg | SE 126° 1.31 (1.31) m/s | 0 |
| 07:00 | Smoky haze | 15 °C | 1% | 0% | 42% | 768 mm Hg | SE 134° 1.31 (1.31) m/s | 0 |
| 08:00 |  Smoky haze | 16 °C | 1% | 5% | 42% | 768 mm Hg | SSE 163° 1.19 (1.5) m/s | 0 |
| 09:00 | Smoky haze | 18 °C | 1% | 4% | 38% | 769 mm Hg | SSE 152° 1.31 (1.92) m/s | 0.6 |
| 10:00 | Sunny | 20 °C | 1% | 0% | 33% | 769 mm Hg | SSE 162° 1.31 (1.64) m/s | 1.6 |
| 11:00 | Sunny | 22 °C | 1% | 0% | 30% | 768 mm Hg | SSE 153° 1.5 (1.61) m/s | 2.9 |
| 12:00 | Sunny | 23 °C | 0% | 2% | 27% | 768 mm Hg | SSE 148° 1.61 (4.61) m/s | 4 |
| 13:00 | Sunny | 24 °C | 1% | 5% | 25% | 767 mm Hg | SSE 158° 1.5 (6.5) m/s | 4.4 |
| 14:00 | Sunny | 25 °C | 1% | 5% | 24% | 767 mm Hg | SSE 151° 1.39 (4.39) m/s | 4 |
| 15:00 | Sunny | 25 °C | 1% | 5% | 24% | 767 mm Hg | SE 135° 1.5 (5.5) m/s | 2.9 |
| 16:00 | Sunny | 25 °C | 1% | 5% | 24% | 767 mm Hg | ESE 120° 1.39 (6.39) m/s | 1.6 |
| 17:00 | Sunny | 25 °C | 1% | 5% | 26% | 767 mm Hg | ESE 110° 1.39 (1.42) m/s | 0.6 |
| 18:00 | Sunny | 23 °C | 1% | 5% | 29% | 767 mm Hg | ESE 106° 1.39 (1.5) m/s | 0 |
| 19:00 | Clear | 21 °C | 1% | 5% | 31% | 767 mm Hg | E 101° 1.69 (1.69) m/s | 0 |
| 20:00 | Clear | 21 °C | 1% | 5% | 33% | 767 mm Hg | E 98° 1.89 (2.33) m/s | 0 |
| 21:00 | Clear | 20 °C | 1% | 5% | 35% | 767 mm Hg | E 98° 1.89 (2.42) m/s | 0 |
| 22:00 | Clear | 19 °C | 1% | 5% | 36% | 767 mm Hg | ESE 107° 2.11 (3.42) m/s | 0 |
| 23:00 | Clear | 19 °C | 1% | 5% | 36% | 767 mm Hg | ESE 118° 2.19 (4.31) m/s | 0 |
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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.