The official National Weather Service forecast for Raymondville — 26.4815°N, 97.7831°W, population 12,986, 3.7 miles from I-69. Forecasts here are written by NWS BRO, this county’s forecast office.
| Willacy County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 71 | 74 | 79 | 85 | 90 | 94 | 95 | 96 | 92 | 87 | 79 | 73 | 85 |
| Avg low °F | 50 | 54 | 60 | 66 | 72 | 76 | 76 | 76 | 73 | 66 | 59 | 52 | 65 |
| Precip in | 1.0 | 1.0 | 1.5 | 1.2 | 2.5 | 2.8 | 2.7 | 1.8 | 4.8 | 2.9 | 1.8 | 1.2 | 25.2 |
1996–2025 normals for Willacy County — the climate division Raymondville sits in. All-time county record high 104.6°F (2000-09-06); record low 14.9°F (1962-01-12). Source: NOAA / National Weather Service.