The official National Weather Service forecast for Orleans — 44.8167°N, 72.2329°W, 1.6 miles from I-91.
| Orleans County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 28 | 37 | 50 | 64 | 72 | 77 | 75 | 68 | 55 | 41 | 30 | 52 |
| Avg low °F | 6 | 8 | 17 | 29 | 41 | 50 | 55 | 54 | 47 | 37 | 26 | 15 | 32 |
| Precip in | 3.0 | 2.8 | 3.1 | 3.8 | 4.3 | 5.2 | 5.1 | 4.8 | 4.0 | 4.7 | 3.6 | 4.1 | 48.5 |
1996–2025 normals for Orleans County — the climate division Orleans sits in. All-time county record high 92.9°F (1977-07-21); record low -36.7°F (1957-01-15). Source: NOAA / National Weather Service.