The official National Weather Service forecast for Howell — 42.6073°N, 83.9294°W, 1.5 miles from I-96. Forecasts here are written by NWS DTX, this county’s forecast office.
| Livingston County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 34 | 45 | 58 | 70 | 79 | 83 | 80 | 74 | 61 | 47 | 36 | 58 |
| Avg low °F | 16 | 17 | 26 | 36 | 47 | 56 | 60 | 59 | 52 | 41 | 31 | 23 | 39 |
| Precip in | 2.1 | 1.8 | 2.3 | 3.1 | 3.9 | 3.7 | 3.4 | 3.4 | 3.0 | 3.0 | 2.2 | 2.2 | 34.1 |
1996–2025 normals for Livingston County — the climate division Howell sits in. All-time county record high 100.3°F (1988-07-07); record low -19.7°F (1994-01-19). Source: NOAA / National Weather Service.