The official National Weather Service forecast for Boston — 30.7919°N, 83.7899°W, 22.2 miles from I-10. Forecasts here are written by NWS TAE, this county’s forecast office.
| Thomas County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 62 | 67 | 73 | 79 | 86 | 90 | 91 | 91 | 87 | 80 | 71 | 65 | 78 |
| Avg low °F | 39 | 43 | 48 | 54 | 62 | 69 | 71 | 71 | 67 | 57 | 47 | 42 | 56 |
| Precip in | 4.0 | 4.3 | 4.7 | 3.8 | 3.1 | 5.7 | 5.9 | 5.6 | 5.0 | 2.7 | 2.7 | 4.1 | 51.6 |
1996–2025 normals for Thomas County — the climate division Boston sits in. All-time county record high 102.1°F (1952-06-27); record low 3.4°F (1985-01-21). Source: NOAA / National Weather Service.