The official National Weather Service forecast for Orland — 39.7474°N, 122.1964°W, population 9,422, 3.5 miles from I-5. Forecasts here are written by NWS STO, this county’s forecast office.
| Glenn County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 56 | 59 | 63 | 70 | 79 | 87 | 94 | 93 | 88 | 77 | 63 | 55 | 74 |
| Avg low °F | 37 | 38 | 40 | 44 | 51 | 58 | 63 | 61 | 57 | 49 | 41 | 37 | 48 |
| Precip in | 4.9 | 5.0 | 3.3 | 1.7 | 1.1 | 0.4 | 0.0 | 0.1 | 0.3 | 1.3 | 3.1 | 5.3 | 26.5 |
1996–2025 normals for Glenn County — the climate division Orland sits in. All-time county record high 111.1°F (1978-08-09); record low 13.9°F (1990-12-23). Source: NOAA / National Weather Service.