The official National Weather Service forecast for Lake Powell — 37.0365°N, 111.3533°W, 98.7 miles from I-15. Forecasts here are written by NWS SLC, this county’s forecast office.
| Kane County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 48 | 57 | 64 | 74 | 86 | 91 | 88 | 80 | 67 | 54 | 44 | 66 |
| Avg low °F | 22 | 25 | 31 | 36 | 45 | 54 | 62 | 60 | 52 | 40 | 30 | 22 | 40 |
| Precip in | 1.2 | 1.2 | 1.1 | 0.6 | 0.5 | 0.3 | 1.0 | 1.5 | 1.2 | 1.3 | 0.8 | 1.1 | 11.8 |
1996–2025 normals for Kane County — the climate division Lake Powell sits in. All-time county record high 104.5°F (2021-07-11); record low -13.5°F (1963-01-13). Source: NOAA / National Weather Service.