The official National Weather Service forecast for Blythe — 33.2926°N, 82.2015°W, 13.2 miles from I-20. Forecasts here are written by NWS CAE, this county’s forecast office.
| Richmond County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 62 | 69 | 77 | 84 | 90 | 92 | 91 | 86 | 77 | 68 | 60 | 76 |
| Avg low °F | 35 | 39 | 45 | 51 | 60 | 68 | 71 | 70 | 65 | 53 | 43 | 38 | 53 |
| Precip in | 3.8 | 3.7 | 4.0 | 3.1 | 3.6 | 4.5 | 4.5 | 4.6 | 3.8 | 2.3 | 2.7 | 4.2 | 44.8 |
1996–2025 normals for Richmond County — the climate division Blythe sits in. All-time county record high 107.0°F (2012-07-01); record low -0.4°F (1985-01-21). Source: NOAA / National Weather Service.