The official National Weather Service forecast for Grawn — 44.6625°N, 85.6937°W, 48.8 miles from I-75. Forecasts here are written by NWS APX, this county’s forecast office.
| Grand Traverse County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 31 | 41 | 54 | 67 | 76 | 81 | 78 | 72 | 58 | 45 | 34 | 56 |
| Avg low °F | 15 | 15 | 22 | 31 | 42 | 52 | 57 | 56 | 49 | 39 | 30 | 22 | 36 |
| Precip in | 2.0 | 1.4 | 2.1 | 2.8 | 3.3 | 3.0 | 2.8 | 3.1 | 3.1 | 3.9 | 2.5 | 2.3 | 32.3 |
1996–2025 normals for Grand Traverse County — the climate division Grawn sits in. All-time county record high 96.3°F (2006-08-01); record low -28.7°F (1979-02-17). Source: NOAA / National Weather Service.