5-day weather forecast St. Louis 22-08-2026
Weather forecast St. Louis Saturday, August 22 22.08.2026: sunny, temperature from 21 °C to 32 °C.
Precipitation probability 43%. Wind up to 7.11 m/s (gusts 9.11 m/s). Air humidity 37–84%, atmospheric pressure 761–763 mm Hg, UV index up to 7.9.
5 days at a glance — tap a day to open it
Sunrise 06:21
Sunset 19:46
Sunset 19:46
Waxing Gibbous78% illuminated
Moonrise 16:56 · Moonset 01:01
Moonrise 16:56 · Moonset 01:01
Chart
Table
Sat, Aug 22, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 24 °C | 22% (0.16 mm/hr) | 88% | 59% | 761 mm Hg | SSE 155° 1.89 (3.72) m/s | 0 |
| 01:00 |  Light rain shower | 22 °C | 43% (0.37 mm/hr) | 92% | 77% | 761 mm Hg | S 175° 2.5 (6.11) m/s | 0 |
| 02:00 | Patchy rain possible | 22 °C | 33% (0.21 mm/hr) | 79% | 80% | 761 mm Hg | SSE 163° 2.19 (5.42) m/s | 0 |
| 03:00 | Patchy rain possible | 22 °C | 22% (0.05 mm/hr) | 81% | 78% | 761 mm Hg | S 179° 1.5 (3.44) m/s | 0 |
| 04:00 | Patchy rain possible | 22 °C | 20% (0.01 mm/hr) | 85% | 79% | 761 mm Hg | WSW 253° 1.39 (1.83) m/s | 0 |
| 05:00 | Patchy rain possible | 21 °C | 31% (0.11 mm/hr) | 85% | 81% | 761 mm Hg | WSW 240° 1.81 (3.42) m/s | 0 |
| 06:00 | Patchy rain possible | 21 °C | 24% (0.07 mm/hr) | 70% | 83% | 761 mm Hg | WSW 248° 2.11 (4.61) m/s | 0 |
| 07:00 |  Patchy rain possible | 21 °C | 30% (0.06 mm/hr) | 89% | 84% | 761 mm Hg | WNW 289° 2.39 (6.11) m/s | 0.1 |
| 08:00 |  Sunny | 21 °C | 8% | 0% | 77% | 761 mm Hg | WNW 296° 2.89 (5.81) m/s | 0.7 |
| 09:00 | Sunny | 24 °C | 5% | 0% | 70% | 761 mm Hg | NW 308° 3.5 (5.72) m/s | 1.9 |
| 10:00 | Sunny | 26 °C | 4% | 0% | 63% | 761 mm Hg | NW 323° 3.89 (6.61) m/s | 3.7 |
| 11:00 | Sunny | 28 °C | 2% | 0% | 53% | 761 mm Hg | NW 325° 4.39 (6.72) m/s | 5.7 |
| 12:00 | Sunny | 30 °C | 1% | 0% | 45% | 761 mm Hg | NNW 329° 5.11 (7.31) m/s | 7.3 |
| 13:00 | Sunny | 31 °C | 1% | 0% | 39% | 761 mm Hg | NNW 334° 5.81 (8.31) m/s | 7.9 |
| 14:00 | Sunny | 32 °C | 1% | 0% | 37% | 761 mm Hg | NNW 341° 6.31 (8.92) m/s | 7.4 |
| 15:00 | Sunny | 31 °C | 1% | 0% | 38% | 761 mm Hg | N 353° 7.11 (8.92) m/s | 5.9 |
| 16:00 | Sunny | 30 °C | 1% | 0% | 40% | 761 mm Hg | N 1° 6.81 (8.72) m/s | 3.9 |
| 17:00 | Sunny | 28 °C | 1% | 0% | 47% | 761 mm Hg | N 2° 5.61 (8.42) m/s | 2 |
| 18:00 | Sunny | 27 °C | 2% | 0% | 53% | 761 mm Hg | N 4° 4.89 (8.22) m/s | 0.7 |
| 19:00 | Sunny | 25 °C | 3% | 0% | 60% | 761 mm Hg | N 2° 3.81 (7.5) m/s | 0.1 |
| 20:00 |  Clear | 25 °C | 5% | 0% | 68% | 762 mm Hg | N 355° 3.11 (7.53) m/s | 0 |
| 21:00 | Clear | 24 °C | 6% | 5% | 71% | 762 mm Hg | N 358° 3.19 (8.83) m/s | 0 |
| 22:00 |  Cloudy | 23 °C | 16% | 84% | 72% | 763 mm Hg | N 7° 3.19 (9.11) m/s | 0 |
| 23:00 |  Overcast | 22 °C | 19% | 93% | 74% | 762 mm Hg | NNE 12° 2.89 (8.83) m/s | 0 |
Sat, Aug 22, 2026
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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.