The official National Weather Service forecast for Bay Shore — 45.3583°N, 85.0973°W, 23.4 miles from I-75. Forecasts here are written by NWS APX, this county’s forecast office.
| Charlevoix County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 30 | 40 | 52 | 66 | 75 | 80 | 78 | 71 | 57 | 44 | 33 | 54 |
| Avg low °F | 14 | 14 | 21 | 31 | 42 | 52 | 57 | 56 | 50 | 40 | 31 | 22 | 36 |
| Precip in | 2.2 | 1.6 | 2.1 | 2.9 | 3.1 | 3.4 | 2.9 | 3.2 | 3.5 | 4.1 | 2.9 | 2.7 | 34.6 |
1996–2025 normals for Charlevoix County — the climate division Bay Shore sits in. All-time county record high 97.7°F (1955-08-19); record low -30.6°F (1979-02-18). Source: NOAA / National Weather Service.