The official National Weather Service forecast for Plumas Lake — 39.0207°N, 121.558°W, population 7,337, 24.3 miles from I-5. Forecasts here are written by NWS STO, this county’s forecast office.
| Yuba County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 55 | 59 | 64 | 70 | 79 | 88 | 95 | 93 | 88 | 76 | 63 | 55 | 74 |
| Avg low °F | 38 | 40 | 42 | 45 | 52 | 58 | 63 | 61 | 58 | 50 | 43 | 38 | 49 |
| Precip in | 6.4 | 6.7 | 5.2 | 2.9 | 1.6 | 0.4 | 0.0 | 0.1 | 0.3 | 2.1 | 4.3 | 7.3 | 37.3 |
1996–2025 normals for Yuba County — the climate division Plumas Lake sits in. All-time county record high 111.1°F (2022-09-07); record low 14.6°F (1972-12-09). Source: NOAA / National Weather Service.