The official National Weather Service forecast for Limestone — 46.9087°N, 67.8259°W, 53.5 miles from I-95. Forecasts here are written by NWS CAR, this county’s forecast office.
| Aroostook County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 21 | 25 | 35 | 48 | 63 | 72 | 77 | 75 | 67 | 53 | 39 | 27 | 50 |
| Avg low °F | 2 | 3 | 14 | 27 | 39 | 48 | 54 | 52 | 44 | 35 | 25 | 11 | 30 |
| Precip in | 2.7 | 2.5 | 2.9 | 3.1 | 3.6 | 4.2 | 4.3 | 3.8 | 3.6 | 4.2 | 3.4 | 3.8 | 42.1 |
1996–2025 normals for Aroostook County — the climate division Limestone sits in. All-time county record high 94.8°F (1975-08-03); record low -39.2°F (1957-01-15). Source: NOAA / National Weather Service.