5-day weather forecast St. Louis 31-07-2026
Weather forecast St. Louis Friday, July 31 31.07.2026: partly cloudy, temperature from 20 °C to 32 °C.
Precipitation probability 50%. Wind up to 8.11 m/s (gusts 13.22 m/s). Air humidity 47–90%, atmospheric pressure 753–761 mm Hg, UV index up to 8.5.
5 days at a glance — tap a day to open it
Sunrise 06:01
Sunset 20:12
Sunset 20:12
Waning Gibbous91% illuminated
Moonrise 21:27 · Moonset 08:07
Moonrise 21:27 · Moonset 08:07
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 22 °C | 8% | 31% | 69% | 761 mm Hg | SE 140° 4.11 (8.61) m/s | 0 |
| 01:00 | Partly cloudy | 22 °C | 8% | 35% | 69% | 761 mm Hg | SSE 153° 3.5 (6.97) m/s | 0 |
| 02:00 | Partly cloudy | 22 °C | 10% | 54% | 70% | 761 mm Hg | SSE 157° 3.5 (6.69) m/s | 0 |
| 03:00 |  Patchy rain possible | 22 °C | 13% (0.02 mm/hr) | 67% | 70% | 761 mm Hg | SSE 150° 3.69 (6.58) m/s | 0 |
| 04:00 | Partly cloudy | 22 °C | 8% | 29% | 70% | 761 mm Hg | SSE 157° 3.81 (6.64) m/s | 0 |
| 05:00 | Partly cloudy | 22 °C | 8% | 26% | 72% | 760 mm Hg | SSE 152° 3.39 (6.06) m/s | 0 |
| 06:00 |  Patchy light drizzle | 22 °C | 40% (0.42 mm/hr) | 72% | 73% | 761 mm Hg | S 183° 2.69 (4.69) m/s | 0 |
| 07:00 |  Patchy light drizzle | 20 °C | 50% (0.48 mm/hr) | 53% | 89% | 761 mm Hg | SSW 205° 2.39 (3.89) m/s | 0 |
| 08:00 |  Patchy rain possible | 20 °C | 24% (0.01 mm/hr) | 69% | 90% | 760 mm Hg | SSE 161° 4.19 (7.36) m/s | 0.3 |
| 09:00 |  Overcast | 21 °C | 23% | 95% | 80% | 759 mm Hg | SSE 167° 4.39 (6.58) m/s | 0.9 |
| 10:00 |  Partly cloudy | 20 °C | 13% | 44% | 79% | 759 mm Hg | SSE 157° 4.5 (7.5) m/s | 0.9 |
| 11:00 | Partly cloudy | 21 °C | 11% | 45% | 75% | 759 mm Hg | SSE 158° 5.19 (7.14) m/s | 2 |
| 12:00 | Partly cloudy | 26 °C | 5% | 38% | 58% | 758 mm Hg | SSE 160° 7.11 (8.17) m/s | 2 |
| 13:00 |  Sunny | 27 °C | 3% | 15% | 53% | 758 mm Hg | SSE 164° 7.39 (8.5) m/s | 5.7 |
| 14:00 | Partly cloudy | 29 °C | 3% | 26% | 51% | 757 mm Hg | SSE 165° 6.61 (7.58) m/s | 8.5 |
| 15:00 | Partly cloudy | 31 °C | 3% | 29% | 48% | 755 mm Hg | SE 146° 7.11 (8.17) m/s | 6.2 |
| 16:00 | Partly cloudy | 32 °C | 4% | 44% | 47% | 755 mm Hg | SE 137° 7.5 (8.67) m/s | 1.1 |
| 17:00 | Partly cloudy | 28 °C | 7% | 57% | 57% | 754 mm Hg | SE 125° 7.61 (11.39) m/s | 0.2 |
| 18:00 | Partly cloudy | 27 °C | 7% | 44% | 61% | 754 mm Hg | SE 133° 7.61 (13.22) m/s | 0.2 |
| 19:00 | Partly cloudy | 28 °C | 7% | 53% | 60% | 753 mm Hg | SE 143° 8.11 (12.72) m/s | 0 |
| 20:00 | Patchy rain possible | 27 °C | 11% (0.01 mm/hr) | 71% | 62% | 753 mm Hg | SSE 157° 7.39 (10.97) m/s | 0 |
| 21:00 | Patchy rain possible | 27 °C | 17% (0.05 mm/hr) | 76% | 64% | 753 mm Hg | S 172° 6.39 (9.36) m/s | 0 |
| 22:00 | Patchy rain possible | 25 °C | 32% (0.12 mm/hr) | 100% | 77% | 754 mm Hg | S 186° 5 (8.14) m/s | 0 |
| 23:00 |  Light rain shower | 24 °C | 45% (0.48 mm/hr) | 54% | 86% | 753 mm Hg | S 183° 4.19 (7.03) 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.