The official National Weather Service forecast for Corrigan — 30.9969°N, 94.8272°W, 46.7 miles from I-45. Forecasts here are written by NWS HGX, this county’s forecast office.
| Polk County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 61 | 65 | 72 | 79 | 86 | 91 | 94 | 95 | 89 | 81 | 70 | 63 | 79 |
| Avg low °F | 39 | 44 | 50 | 56 | 65 | 71 | 73 | 73 | 67 | 57 | 48 | 42 | 57 |
| Precip in | 4.5 | 3.5 | 3.8 | 4.1 | 5.4 | 4.8 | 4.3 | 4.0 | 4.4 | 4.7 | 4.7 | 4.6 | 52.8 |
1996–2025 normals for Polk County — the climate division Corrigan sits in. All-time county record high 108.7°F (2000-09-05); record low 5.5°F (1989-12-23). Source: NOAA / National Weather Service.