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Long-Range Weather Forecast for Clayton, MO
60-Day Weather Forecast
| Dates | Weather Conditions |
|---|---|
| Aug 1-7 | Scattered t-storms north, sunny south; turning hot |
| Aug 8-15 | Sunny, warm |
| Aug 16-20 | A few t-storms, very warm |
| Aug 21-29 | Isolated t-storms, warm |
| Aug 30-31 | Rainy, cool |
| Aug 30-31 | Sunny, very warm |
| August | temperature 73° (2° below avg.) precipitation 4.5" (1" above avg.) |
| Dates | Weather Conditions |
|---|---|
| Sep 1-5 | Sunny, warm |
| Sep 6-9 | A few showers, turning chilly |
| Sep 10-16 | Sunny, turning warm |
| Sep 17-19 | T-storms, warm |
| Sep 20-23 | Sunny, hot |
| Sep 24-30 | Isolated t-storms, turning cool |
| September | temperature 68.5° (0.5° above avg.) precipitation 1.5" (2" below avg.) |
12-Month Long-Range Weather Outlook
November 2025 to October 2026
Winter will be warmer than normal, with the coldest periods in mid-December and early and late January. Precipitation will be below normal. Snowfall will be below normal in the north and near normal south, with the snowiest periods in mid-November, late January, and early February. April and May will be warmer than normal, with below-normal precipitation in the north and above-normal south. Summer will be cooler and wetter than usual, with the hottest periods in early and mid-June, early and late July, and early August. September and October will be warmer than normal in the north and cooler south, with below-normal precipitation.See the complete 12-month weather forecast in The Old Farmer’s Almanac..
Weather Trend Graph
November 2025 to October 2026
