The official National Weather Service forecast for Fowler — 40.6167°N, 87.3208°W, 14.5 miles from I-65. Forecasts here are written by NWS LOT, this county’s forecast office.
| Benton County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 38 | 50 | 63 | 74 | 82 | 84 | 82 | 79 | 66 | 51 | 38 | 62 |
| Avg low °F | 17 | 20 | 30 | 39 | 51 | 60 | 63 | 60 | 53 | 42 | 32 | 23 | 41 |
| Precip in | 2.3 | 2.1 | 2.7 | 3.7 | 4.3 | 4.9 | 4.5 | 3.7 | 2.8 | 3.1 | 2.5 | 2.4 | 39.0 |
1996–2025 normals for Benton County — the climate division Fowler sits in. All-time county record high 101.6°F (1988-08-18); record low -25.3°F (1985-01-20). Source: NOAA / National Weather Service.