The official National Weather Service forecast for Townsend — 46.3191°N, 111.5208°W, 24.1 miles from I-15.
| Broadwater County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 35 | 45 | 53 | 62 | 71 | 82 | 80 | 70 | 55 | 42 | 33 | 55 |
| Avg low °F | 15 | 16 | 23 | 29 | 37 | 45 | 52 | 50 | 42 | 32 | 23 | 16 | 32 |
| Precip in | 0.8 | 0.8 | 0.9 | 1.5 | 2.3 | 2.6 | 1.1 | 1.2 | 1.2 | 1.1 | 0.9 | 0.8 | 15.2 |
1996–2025 normals for Broadwater County — the climate division Townsend sits in. All-time county record high 98.9°F (2002-07-13); record low -35.8°F (1957-01-26). Source: NOAA / National Weather Service.