The official National Weather Service forecast for Topaz Lake — 38.6957°N, 119.5441°W, 31.6 miles from I-580. Forecasts here are written by NWS REV, this county’s forecast office.
| Douglas County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 46 | 52 | 58 | 67 | 77 | 86 | 84 | 76 | 64 | 52 | 43 | 62 |
| Avg low °F | 24 | 24 | 28 | 32 | 39 | 47 | 54 | 52 | 46 | 37 | 28 | 23 | 36 |
| Precip in | 2.6 | 2.4 | 2.0 | 1.1 | 0.9 | 0.5 | 0.3 | 0.4 | 0.3 | 1.1 | 1.5 | 2.7 | 15.8 |
1996–2025 normals for Douglas County — the climate division Topaz Lake sits in. All-time county record high 98.2°F (2002-07-11); record low -15.0°F (1990-12-22). Source: NOAA / National Weather Service.