The official National Weather Service forecast for Randolph — 42.1626°N, 71.0412°W, 6 miles from I-95.
| Norfolk County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 37 | 40 | 48 | 59 | 69 | 78 | 84 | 82 | 75 | 63 | 52 | 42 | 61 |
| Avg low °F | 20 | 21 | 28 | 37 | 47 | 57 | 63 | 61 | 53 | 42 | 33 | 25 | 41 |
| Precip in | 4.0 | 3.6 | 4.7 | 4.5 | 4.1 | 4.3 | 3.8 | 3.7 | 4.0 | 5.1 | 3.7 | 4.8 | 50.3 |
1996–2025 normals for Norfolk County — the climate division Randolph sits in. All-time county record high 101.7°F (2025-06-25); record low -15.4°F (1957-01-15). Source: NOAA / National Weather Service.