The official National Weather Service forecast for Eastport — 45.1072°N, 85.3501°W, 32.3 miles from I-75. Forecasts here are written by NWS APX, this county’s forecast office.
| Antrim County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 30 | 40 | 53 | 66 | 76 | 80 | 78 | 71 | 57 | 44 | 33 | 55 |
| Avg low °F | 15 | 14 | 21 | 31 | 42 | 52 | 57 | 56 | 49 | 39 | 30 | 22 | 36 |
| Precip in | 2.2 | 1.6 | 2.1 | 2.9 | 3.3 | 3.4 | 2.8 | 3.1 | 3.5 | 4.2 | 2.9 | 2.7 | 34.7 |
1996–2025 normals for Antrim County — the climate division Eastport sits in. All-time county record high 97.3°F (1955-08-19); record low -30.4°F (1979-02-18). Source: NOAA / National Weather Service.