5-day weather forecast St. Louis Oct 3, 2026
26°Weather forecast St. Louis Saturday Oct 3, 2026: sunny, temperature from 13 °C to 26 °C.
Precipitation probability 16%. Wind up to 3.89 m/s (gusts 9.81 m/s). Air humidity 46–70%, atmospheric pressure 763–767 mm Hg, UV index up to 7.
5 days at a glance — tap a day to open it
Sunrise 06:58
Sunset 18:41
Sunset 18:41
Last Quarter45% illuminated
Moonrise 23:37 · Moonset 14:24
Moonrise 23:37 · Moonset 14:24
Chart
Table
Sat, Oct 3, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 17 °C | 4% | 5% | 64% | 767 mm Hg | ENE 66° 3.69 (9.81) m/s | 0 |
| 01:00 | Clear | 16 °C | 5% | 5% | 65% | 767 mm Hg | ENE 58° 3.89 (9.56) m/s | 0 |
| 02:00 | Clear | 16 °C | 5% | 5% | 66% | 767 mm Hg | ENE 61° 3.61 (8.92) m/s | 0 |
| 03:00 | Clear | 15 °C | 5% | 5% | 67% | 767 mm Hg | NE 54° 3.69 (8.5) m/s | 0 |
| 04:00 | Clear | 14 °C | 6% | 5% | 68% | 767 mm Hg | NE 53° 3.61 (8) m/s | 0 |
| 05:00 | Clear | 14 °C | 6% | 5% | 69% | 767 mm Hg | ENE 58° 3.39 (7.94) m/s | 0 |
| 06:00 | Clear | 14 °C | 6% | 5% | 69% | 767 mm Hg | NE 55° 3.31 (7.72) m/s | 0 |
| 07:00 | Sunny | 13 °C | 6% | 5% | 70% | 767 mm Hg | ENE 58° 3.19 (7.83) m/s | 0 |
| 08:00 | Sunny | 14 °C | 5% | 5% | 67% | 767 mm Hg | ENE 67° 3.39 (7.5) m/s | 4 |
| 09:00 | Sunny | 16 °C | 4% | 4% | 62% | 767 mm Hg | ENE 78° 3.89 (6.61) m/s | 5 |
| 10:00 | Sunny | 18 °C | 3% | 1% | 58% | 767 mm Hg | E 82° 3.81 (5.81) m/s | 5 |
| 11:00 | Sunny | 20 °C | 3% | 0% | 55% | 767 mm Hg | E 85° 3.69 (5.11) m/s | 6 |
| 12:00 | Sunny | 22 °C | 2% | 3% | 51% | 766 mm Hg | E 88° 3.31 (4.22) m/s | 6 |
| 13:00 | Sunny | 24 °C | 2% | 0% | 49% | 765 mm Hg | E 84° 3.19 (3.83) m/s | 6 |
| 14:00 | Sunny | 25 °C | 2% | 5% | 47% | 764 mm Hg | E 89° 3 (3.5) m/s | 6 |
| 15:00 |  Partly cloudy | 26 °C | 3% | 32% | 46% | 764 mm Hg | E 90° 2.81 (3.31) m/s | 7 |
| 16:00 | Partly cloudy | 26 °C | 5% | 58% | 46% | 763 mm Hg | E 98° 2.61 (3.11) m/s | 7 |
| 17:00 | Partly cloudy | 26 °C | 5% | 58% | 47% | 763 mm Hg | E 92° 2.61 (3.11) m/s | 7 |
| 18:00 |  Overcast | 25 °C | 12% | 100% | 51% | 763 mm Hg | E 98° 2.39 (2.92) m/s | 5 |
| 19:00 |  Overcast | 24 °C | 13% | 100% | 56% | 763 mm Hg | ESE 120° 3.61 (5.5) m/s | 0 |
| 20:00 | Overcast | 23 °C | 14% | 100% | 60% | 764 mm Hg | SE 128° 3.31 (6.11) m/s | 0 |
| 21:00 | Overcast | 23 °C | 13% | 94% | 60% | 764 mm Hg | SE 129° 2.69 (5.42) m/s | 0 |
| 22:00 | Overcast | 22 °C | 15% | 100% | 63% | 764 mm Hg | SE 145° 2.5 (4.81) m/s | 0 |
| 23:00 | Overcast | 22 °C | 16% | 100% | 64% | 764 mm Hg | S 172° 2.19 (4) m/s | 0 |
Sat, Oct 3, 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.