Currently: 18 °F. Clear. (Weather station: Washington Regional Airport, USA). See more current weatherSt Clair Extended Forecast with high and low temperatures
2 Week Extended Forecast in St Clair, Missouri, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Thu Dec 4 |  | 25 / 16 °F | Decreasing cloudiness. | 18 °F | 5 mph | ↑ | 51% | 1% | 0.00" | 0 (Low) | 7:05 am | 4:43 pm |
| Fri Dec 5 | | 42 / 16 °F | Scattered clouds. | 36 °F | 7 mph | ↑ | 52% | 0% | 0.00" | 3 (Moderate) | 7:06 am | 4:43 pm |
| Sat Dec 6 |  | 39 / 31 °F | Cloudy. | 35 °F | 4 mph | ↑ | 68% | 0% | 0.00" | 0 (Low) | 7:06 am | 4:43 pm |
| Sun Dec 7 |  | 38 / 15 °F | Rain changing to snow. Overcast. | 19 °F | 13 mph | ↑ | 81% | 51% | 0.84" | 0 (Low) | 7:07 am | 4:43 pm |
| Mon Dec 8 | | 31 / 10 °F | Cloudy. | 27 °F | 3 mph | ↑ | 37% | 15% | 0.08" | 0 (Low) | 7:08 am | 4:43 pm |
| Tue Dec 9 | | 48 / 25 °F | Cloudy. | 41 °F | 12 mph | ↑ | 49% | 0% | 0.00" | 0 (Low) | 7:09 am | 4:43 pm |
| Wed Dec 10 | | 43 / 18 °F | Rain changing to snow. Overcast. | 20 °F | 15 mph | ↑ | 76% | 47% | 0.42" | 0 (Low) | 7:10 am | 4:43 pm |
| Thu Dec 11 |  | 37 / 16 °F | Light snow. Overcast. | 27 °F | 9 mph | ↑ | 65% | 21% | 0.47" | 0 (Low) | 7:11 am | 4:43 pm |
| Fri Dec 12 | | 42 / 32 °F | Light snow early. Decreasing cloudiness. | 35 °F | 8 mph | ↑ | 57% | 44% | 0.12" | 0 (Low) | 7:11 am | 4:43 pm |
| Sat Dec 13 |  | 44 / 33 °F | Sunny. | 37 °F | 12 mph | ↑ | 51% | 4% | 0.00" | 0 (Low) | 7:12 am | 4:44 pm |
| Sun Dec 14 | | 44 / 33 °F | Cloudy. | 44 °F | 6 mph | ↑ | 69% | 6% | 0.00" | 0 (Low) | 7:13 am | 4:44 pm |
| Mon Dec 15 | | 45 / 34 °F | Overcast. | 40 °F | 8 mph | ↑ | 46% | 6% | 0.00" | 0 (Low) | 7:13 am | 4:44 pm |
| Tue Dec 16 |  | 45 / 34 °F | Light rain late. Overcast. | 42 °F | 4 mph | ↑ | 93% | 62% | 0.16" | 0 (Low) | 7:14 am | 4:44 pm |
| Wed Dec 17 |  | 47 / 39 °F | Rain. Overcast. | 42 °F | 7 mph | ↑ | 93% | 72% | 0.49" | 0 (Low) | 7:15 am | 4:45 pm |
| Thu Dec 18 | | 48 / 39 °F | Sprinkles early. Overcast. | 43 °F | 4 mph | ↑ | 82% | 54% | 0.08" | 0 (Low) | 7:15 am | 4:45 pm |
| * Updated Thursday, December 4, 2025 3:24:05 pm St Clair time - Weather by CustomWeather, © 2025 | ||||||||||||