5-day weather forecast St. Louis 01-08-2026
Weather forecast St. Louis Saturday, August 1 01.08.2026: patchy rain possible, temperature from 19 °C to 24 °C.
Precipitation probability 76%. Wind up to 7.11 m/s (gusts 9 m/s). Air humidity 70–98%, atmospheric pressure 753–759 mm Hg, UV index up to 6.9.
5 days at a glance — tap a day to open it
Sunrise 06:02
Sunset 20:11
Sunset 20:11
Waning Gibbous83% illuminated
Moonrise 21:48 · Moonset 09:06
Moonrise 21:48 · Moonset 09:06
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 23 °C | 76% (1.29 mm/hr) | 90% | 96% | 754 mm Hg | SSE 152° 4.69 (7.5) m/s | 0 |
| 01:00 | Light rain shower | 22 °C | 72% (0.8 mm/hr) | 96% | 98% | 753 mm Hg | SSE 154° 3.89 (6.75) m/s | 0 |
| 02:00 | Light rain shower | 22 °C | 71% (0.67 mm/hr) | 100% | 98% | 753 mm Hg | S 172° 3.11 (4.97) m/s | 0 |
| 03:00 |  Fog | 23 °C | 52% (0.09 mm/hr) | 100% | 97% | 753 mm Hg | W 259° 2.81 (4.22) m/s | 0 |
| 04:00 |  Patchy rain possible | 23 °C | 43% (0.08 mm/hr) | 100% | 98% | 753 mm Hg | WNW 300° 4.5 (6.72) m/s | 0 |
| 05:00 | Patchy rain possible | 22 °C | 35% (0.01 mm/hr) | 100% | 98% | 753 mm Hg | NW 309° 4.89 (7.14) m/s | 0 |
| 06:00 | Patchy rain possible | 21 °C | 35% (0.01 mm/hr) | 100% | 98% | 754 mm Hg | NW 311° 5.11 (7.31) m/s | 0 |
| 07:00 |  Patchy rain possible | 21 °C | 36% (0.02 mm/hr) | 100% | 97% | 754 mm Hg | NW 325° 4.89 (7.17) m/s | 0 |
| 08:00 | Patchy rain possible | 21 °C | 35% (0.02 mm/hr) | 100% | 96% | 755 mm Hg | NNW 341° 5 (7.14) m/s | 0.2 |
| 09:00 | Patchy rain possible | 21 °C | 40% (0.07 mm/hr) | 100% | 96% | 755 mm Hg | NNW 348° 5.39 (7.64) m/s | 0.5 |
| 10:00 | Patchy rain possible | 20 °C | 39% (0.06 mm/hr) | 100% | 95% | 756 mm Hg | N 355° 6.19 (8.78) m/s | 0.7 |
| 11:00 | Patchy rain possible | 20 °C | 35% (0.03 mm/hr) | 100% | 94% | 757 mm Hg | N 354° 6.5 (9) m/s | 1.4 |
| 12:00 | Patchy rain possible | 20 °C | 33% (0.02 mm/hr) | 100% | 92% | 757 mm Hg | N 356° 6.39 (8.92) m/s | 1.9 |
| 13:00 | Patchy rain possible | 20 °C | 31% (0.02 mm/hr) | 100% | 90% | 757 mm Hg | N 357° 6.31 (8.81) m/s | 2.4 |
| 14:00 | Patchy rain possible | 21 °C | 30% (0.03 mm/hr) | 100% | 85% | 758 mm Hg | N 7° 6.39 (8.75) m/s | 6.9 |
| 15:00 | Patchy rain possible | 22 °C | 24% (0.02 mm/hr) | 99% | 78% | 758 mm Hg | NNE 13° 6.39 (8.03) m/s | 3.7 |
| 16:00 | Patchy rain possible | 24 °C | 21% (0.05 mm/hr) | 97% | 70% | 757 mm Hg | NNE 13° 7.11 (8.17) m/s | 3.4 |
| 17:00 | Patchy rain possible | 24 °C | 15% (0.03 mm/hr) | 65% | 72% | 758 mm Hg | NNE 17° 6.11 (7.78) m/s | 1.9 |
| 18:00 | Patchy rain possible | 24 °C | 19% (0.04 mm/hr) | 84% | 71% | 758 mm Hg | NNE 20° 6.11 (7.81) m/s | 0.9 |
| 19:00 | Patchy rain possible | 23 °C | 20% (0.07 mm/hr) | 60% | 78% | 758 mm Hg | NNE 15° 5.81 (8.25) m/s | 0.2 |
| 20:00 | Patchy rain possible | 22 °C | 26% (0.09 mm/hr) | 67% | 84% | 758 mm Hg | NNE 13° 5.31 (8.47) m/s | 0 |
| 21:00 | Patchy rain possible | 21 °C | 24% (0.01 mm/hr) | 82% | 86% | 758 mm Hg | N 10° 4.39 (7.03) m/s | 0 |
| 22:00 |  Partly cloudy | 20 °C | 16% | 34% | 89% | 759 mm Hg | N 3° 3.5 (6.08) m/s | 0 |
| 23:00 | Patchy rain possible | 19 °C | 28% (0.01 mm/hr) | 87% | 91% | 759 mm Hg | N 355° 3.19 (5.69) 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.