The official National Weather Service forecast for Winamac — 41.0514°N, 86.6031°W, 33.1 miles from I-65. Forecasts here are written by NWS IWX, this county’s forecast office.
| Pulaski County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 37 | 49 | 62 | 72 | 82 | 84 | 82 | 78 | 65 | 50 | 38 | 61 |
| Avg low °F | 17 | 20 | 29 | 38 | 49 | 59 | 62 | 60 | 53 | 42 | 32 | 23 | 40 |
| Precip in | 2.5 | 2.3 | 2.8 | 3.7 | 4.3 | 4.9 | 4.6 | 4.2 | 3.0 | 3.2 | 2.5 | 2.5 | 40.5 |
1996–2025 normals for Pulaski County — the climate division Winamac sits in. All-time county record high 101.3°F (1980-07-16); record low -23.1°F (1985-01-20). Source: NOAA / National Weather Service.