The official National Weather Service forecast for Clewiston — 26.7542°N, 80.9337°W, population 12,849, 40.3 miles from I-75. Forecasts here are written by NWS MFL, this county’s forecast office.
| Hendry County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 75 | 79 | 82 | 86 | 90 | 91 | 93 | 93 | 91 | 87 | 81 | 78 | 86 |
| Avg low °F | 52 | 56 | 58 | 61 | 66 | 72 | 74 | 74 | 73 | 68 | 61 | 57 | 64 |
| Precip in | 1.7 | 1.8 | 2.0 | 2.3 | 4.3 | 8.9 | 7.5 | 7.8 | 7.2 | 3.2 | 1.8 | 1.7 | 50.2 |
1996–2025 normals for Hendry County — the climate division Clewiston sits in. All-time county record high 99.4°F (1998-07-04); record low 23.8°F (1982-01-12). Source: NOAA / National Weather Service.