The official National Weather Service forecast for Beaver Bay — 47.2577°N, 91.3004°W, 47.4 miles from I-35. Forecasts here are written by NWS DLH, this county’s forecast office.
| Lake County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 17 | 23 | 35 | 48 | 62 | 71 | 77 | 75 | 66 | 51 | 35 | 22 | 48 |
| Avg low °F | -2 | 0 | 12 | 25 | 37 | 47 | 53 | 51 | 45 | 33 | 20 | 6 | 27 |
| Precip in | 1.1 | 1.1 | 1.4 | 2.5 | 3.1 | 4.3 | 3.5 | 3.0 | 3.4 | 2.9 | 1.9 | 1.8 | 30.0 |
1996–2025 normals for Lake County — the climate division Beaver Bay sits in. All-time county record high 96.7°F (1976-08-20); record low -45.0°F (1965-01-15). Source: NOAA / National Weather Service.