The official National Weather Service forecast for Fairview Park — 39.6803°N, 87.4175°W, 16.1 miles from I-70. Forecasts here are written by NWS IND, this county’s forecast office.
| Vermillion County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 40 | 52 | 64 | 75 | 83 | 85 | 84 | 80 | 67 | 52 | 41 | 63 |
| Avg low °F | 19 | 22 | 32 | 41 | 52 | 61 | 64 | 62 | 55 | 44 | 33 | 25 | 42 |
| Precip in | 2.7 | 2.3 | 3.2 | 4.2 | 4.4 | 5.1 | 4.1 | 3.2 | 2.8 | 3.4 | 2.8 | 2.8 | 41.0 |
1996–2025 normals for Vermillion County — the climate division Fairview Park sits in. All-time county record high 104.3°F (2012-07-08); record low -23.2°F (1994-01-19). Source: NOAA / National Weather Service.