The official National Weather Service forecast for Clarion — 42.7316°N, 93.733°W, 14.4 miles from I-35.
| Wright County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 30 | 44 | 59 | 70 | 80 | 83 | 81 | 76 | 62 | 46 | 31 | 57 |
| Avg low °F | 9 | 12 | 25 | 36 | 47 | 58 | 62 | 59 | 51 | 38 | 26 | 15 | 36 |
| Precip in | 0.9 | 1.1 | 1.9 | 3.6 | 4.9 | 5.2 | 4.0 | 4.0 | 2.9 | 2.5 | 1.4 | 1.3 | 33.7 |
1996–2025 normals for Wright County — the climate division Clarion sits in. All-time county record high 102.8°F (1985-06-09); record low -28.7°F (1970-01-21). Source: NOAA / National Weather Service.