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O'Fallon Weather
| We Sep 25 | Th Sep 26 | Fr Sep 27 | Sa Sep 28 | |
| Tmin 18-06 |
55°F | 53°F | 60°F | 64°F |
| Tmax 06-18 |
77°F | 78°F | 78°F | 77°F |
| morning 24-06 |
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| a.m. 06-12 |
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| p.m. 12-18 |
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| evening 18-24 |
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Last updated: Wed, 25 Sep, 15:20 CEST
| Nearby Forecast Locations - O'Fallon | Distance |
| Wentzville | 13.1 km |
| Chesterfield | 15.5 km |
| St Charles | 28.7 km |
| Hazelwood | 28.9 km |
| St. Louis | 29.2 km |
| Washington | 33.2 km |
| Ladue | 33.4 km |
| Black Jack | 37.6 km |
| East St. Louis | 53.5 km |
| Alton | 57.8 km |
| Festus | 68.3 km |
| Sullivan | 75.0 km |
In the next few days, some sunny spells. Especailly on Thursday sunny periods increase.
However, on Friday rain is to be expected.
With a high around 26 degrees it's summerly warm.
