The official National Weather Service forecast for Lake Leelanau — 44.9808°N, 85.7151°W, 50.3 miles from I-75. Forecasts here are written by NWS APX, this county’s forecast office.
| Leelanau County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 30 | 40 | 52 | 64 | 74 | 78 | 77 | 70 | 57 | 45 | 34 | 54 |
| Avg low °F | 17 | 16 | 23 | 32 | 42 | 53 | 59 | 58 | 52 | 41 | 32 | 23 | 37 |
| Precip in | 2.1 | 1.4 | 2.1 | 2.8 | 3.2 | 2.9 | 2.6 | 3.0 | 3.2 | 4.0 | 2.7 | 2.4 | 32.4 |
1996–2025 normals for Leelanau County — the climate division Lake Leelanau sits in. All-time county record high 95.1°F (1955-08-19); record low -26.0°F (1979-02-18). Source: NOAA / National Weather Service.