The official National Weather Service forecast for Copemish — 44.4817°N, 85.9226°W, 60.1 miles from I-75. Forecasts here are written by NWS APX, this county’s forecast office.
| Manistee County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 31 | 42 | 54 | 67 | 76 | 80 | 78 | 71 | 58 | 45 | 34 | 55 |
| Avg low °F | 16 | 16 | 23 | 32 | 43 | 53 | 58 | 57 | 50 | 40 | 30 | 22 | 37 |
| Precip in | 2.3 | 1.7 | 2.3 | 3.1 | 3.4 | 3.5 | 3.1 | 3.3 | 2.9 | 4.1 | 2.9 | 2.4 | 35.0 |
1996–2025 normals for Manistee County — the climate division Copemish sits in. All-time county record high 96.0°F (1955-08-19); record low -25.1°F (1996-02-03). Source: NOAA / National Weather Service.