The official National Weather Service forecast for Sault Ste. Marie — 46.4953°N, 84.3453°W, population 12,877, 1.2 miles from I-75. Forecasts here are written by NWS APX, this county’s forecast office.
| Chippewa County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 26 | 36 | 48 | 63 | 72 | 77 | 75 | 68 | 54 | 41 | 30 | 51 |
| Avg low °F | 9 | 9 | 16 | 28 | 39 | 49 | 54 | 54 | 48 | 37 | 27 | 17 | 32 |
| Precip in | 2.2 | 1.8 | 2.0 | 2.7 | 2.6 | 3.2 | 3.1 | 3.2 | 3.4 | 4.0 | 3.1 | 2.9 | 34.2 |
1996–2025 normals for Chippewa County — the climate division Sault Ste. Marie sits in. All-time county record high 95.3°F (1988-07-07); record low -32.1°F (1979-02-17). Source: NOAA / National Weather Service.