The official National Weather Service forecast for Houghton Lake — 44.3147°N, 84.7648°W, population 8,521, 9.6 miles from I-75. Forecasts here are written by NWS APX, this county’s forecast office.
| Roscommon County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 31 | 41 | 55 | 68 | 77 | 81 | 79 | 72 | 58 | 44 | 33 | 56 |
| Avg low °F | 13 | 13 | 20 | 31 | 42 | 52 | 56 | 54 | 47 | 37 | 28 | 20 | 34 |
| Precip in | 1.9 | 1.6 | 2.1 | 3.1 | 3.5 | 3.7 | 3.0 | 3.0 | 2.8 | 3.3 | 2.2 | 2.2 | 32.4 |
1996–2025 normals for Roscommon County — the climate division Houghton Lake sits in. All-time county record high 98.9°F (1988-07-07); record low -34.2°F (1951-01-30). Source: NOAA / National Weather Service.