The official National Weather Service forecast for Sterling — 44.0333°N, 84.0228°W, 2.9 miles from I-75. Forecasts here are written by NWS APX, this county’s forecast office.
| Arenac County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 32 | 42 | 55 | 67 | 77 | 81 | 79 | 73 | 60 | 46 | 35 | 56 |
| Avg low °F | 15 | 16 | 23 | 33 | 44 | 55 | 59 | 58 | 50 | 40 | 31 | 22 | 37 |
| Precip in | 1.7 | 1.6 | 1.9 | 3.1 | 3.4 | 3.4 | 3.2 | 3.1 | 2.6 | 2.9 | 2.0 | 2.0 | 30.9 |
1996–2025 normals for Arenac County — the climate division Sterling sits in. All-time county record high 99.0°F (1987-07-21); record low -24.6°F (1951-01-30). Source: NOAA / National Weather Service.