St.Charles Weather Data
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| Date | Max Temp (°F) | Min Temp (°F) | Rain (in) |
| Jun 12, 2026 | 77.5 | 62.4 | 0.18 |
| Jun 11, 2026 | 86.2 | 67.3 | 0.04 |
| Jun 10, 2026 | 89.2 | 66.7 | 0.25 |
| Jun 9, 2026 | 81.5 | 68.2 | 0.52 |
| Jun 8, 2026 | 88.3 | 51.4 | 0.00 |
| Jun 7, 2026 | 80.4 | 55.4 | 0.00 |
| Jun 6, 2026 | 83.8 | 64.6 | 0.01 |
| Jun 5, 2026 | 83.5 | 59.5 | 0.30 |
| Jun 4, 2026 | 87.1 | 50.4 | 0.00 |
| Jun 3, 2026 | 85.6 | 45.1 | 0.00 |
| Jun 2, 2026 | 79.7 | 43.3 | 0.00 |
| Jun 1, 2026 | 78.4 | 47.5 | 0.00 |
| May 31, 2026 | 79.0 | 40.8 | 0.00 |
| May 30, 2026 | 70.3 | 50.0 | 0.00 |
| May 29, 2026 | 84.6 | 42.8 | 0.00 |
| May 28, 2026 | 70.7 | 49.6 | 0.00 |
| May 27, 2026 | 79.3 | 53.8 | 0.00 |
| May 26, 2026 | 84.9 | 54.1 | 0.00 |
| May 25, 2026 | 81.5 | 49.6 | 0.01 |
| May 24, 2026 | 60.1 | 49.6 | 0.39 |
| May 23, 2026 | 61.2 | 50.9 | 0.17 |
| May 22, 2026 | 70.3 | 39.7 | 0.00 |
| May 21, 2026 | 62.6 | 41.7 | 0.00 |
| May 20, 2026 | 66.0 | 47.1 | 0.00 |
| May 19, 2026 | 82.4 | 63.7 | 0.00 |
| May 18, 2026 | 90.0 | 51.3 | 0.08 |
| May 17, 2026 | 85.5 | 54.3 | 0.00 |
| May 16, 2026 | 81.7 | 47.7 | 0.09 |
| May 15, 2026 | 71.6 | 39.6 | 0.00 |
| May 14, 2026 | 68.4 | 44.6 | 0.00 |
| May 13, 2026 | 61.7 | 44.1 | 0.03 |
| May 12, 2026 | 63.1 | 32.5 | 0.01 |
| May 11, 2026 | 59.7 | 39.9 | 0.00 |
| May 10, 2026 | 59.2 | 33.1 | 0.00 |
| May 9, 2026 | 68.0 | 41.0 | 0.04 |
| May 8, 2026 | 64.8 | 32.4 | 0.00 |
| May 7, 2026 | 54.7 | 38.3 | 0.00 |
| May 6, 2026 | 55.0 | 39.4 | 0.00 |
| May 5, 2026 | 66.0 | 44.4 | 0.00 |
| May 4, 2026 | 76.8 | 43.3 | 0.01 |
| May 3, 2026 | 64.4 | 34.2 | 0.00 |
| May 2, 2026 | 51.8 | 30.9 | 0.00 |
| May 1, 2026 | 47.7 | 33.8 | 0.00 |
| Apr 30, 2026 | 52.9 | 36.9 | 0.04 |
| Apr 29, 2026 | 53.4 | 42.1 | 0.08 |
| Apr 28, 2026 | 62.2 | 52.0 | 0.04 |
| Apr 27, 2026 | 70.5 | 45.0 | 0.02 |
| Apr 26, 2026 | 66.0 | 43.0 | 0.00 |
| Apr 25, 2026 | 59.7 | 43.2 | 0.00 |
| Apr 24, 2026 | 80.4 | 55.6 | 0.31 |
| Apr 23, 2026 | 80.6 | 48.0 | 0.00 |
| Apr 22, 2026 | 69.8 | 43.2 | 0.00 |
| Apr 21, 2026 | 69.1 | 37.9 | 0.00 |
| Apr 20, 2026 | 45.3 | 28.0 | 0.00 |
| Apr 19, 2026 | 46.0 | 34.3 | 0.00 |
| Apr 18, 2026 | 64.9 | 41.5 | 0.13 |
| Apr 17, 2026 | 71.8 | 51.1 | 0.00 |
| Apr 16, 2026 | 66.6 | 56.7 | 0.26 |
| Apr 15, 2026 | 71.8 | 57.7 | 0.57 |
| Apr 14, 2026 | 74.7 | 60.6 | 1.34 |
| Apr 13, 2026 | 75.2 | 59.4 | 0.18 |
| Apr 12, 2026 | 77.0 | 43.2 | 0.04 |
| Apr 11, 2026 | 55.4 | 33.4 | 0.00 |
| Apr 10, 2026 | 48.6 | 38.8 | 0.39 |
| Apr 9, 2026 | 66.2 | 49.3 | 0.04 |
| Apr 8, 2026 | 55.9 | 28.4 | 0.00 |
| Apr 7, 2026 | 36.0 | 23.5 | 0.00 |
| Apr 6, 2026 | 46.9 | 26.2 | 0.13 |
| Apr 5, 2026 | 43.3 | 33.3 | 0.00 |
| Apr 4, 2026 | 56.8 | 35.4 | 1.63 |
| Apr 3, 2026 | 62.2 | 41.9 | 0.24 |
| Apr 2, 2026 | 57.0 | 29.1 | 0.71 |
| Apr 1, 2026 | 39.6 | 28.4 | 0.00 |
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