The official National Weather Service forecast for Georgetown — 38.9068°N, 120.8385°W, 11 miles from I-80. Forecasts here are written by NWS STO, this county’s forecast office.
| El Dorado County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 51 | 52 | 55 | 61 | 69 | 79 | 87 | 86 | 80 | 69 | 57 | 50 | 66 |
| Avg low °F | 33 | 33 | 34 | 38 | 44 | 52 | 58 | 57 | 53 | 45 | 37 | 33 | 43 |
| Precip in | 7.8 | 7.6 | 6.6 | 3.8 | 2.3 | 0.6 | 0.1 | 0.1 | 0.6 | 2.6 | 4.7 | 8.5 | 45.3 |
1996–2025 normals for El Dorado County — the climate division Georgetown sits in. All-time county record high 101.6°F (1972-07-15); record low 4.3°F (1990-12-22). Source: NOAA / National Weather Service.