The official National Weather Service forecast for Santaquin — 39.9755°N, 111.7852°W, 1.1 miles from I-15. Forecasts here are written by NWS SLC, this county’s forecast office.
| Utah County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 40 | 49 | 56 | 67 | 79 | 87 | 84 | 75 | 61 | 48 | 37 | 60 |
| Avg low °F | 18 | 20 | 27 | 32 | 40 | 49 | 57 | 54 | 46 | 35 | 26 | 18 | 35 |
| Precip in | 2.1 | 1.9 | 1.9 | 1.9 | 1.6 | 0.8 | 0.7 | 1.2 | 1.3 | 1.7 | 1.5 | 2.1 | 18.7 |
1996–2025 normals for Utah County — the climate division Santaquin sits in. All-time county record high 100.4°F (2026-07-13); record low -20.8°F (1989-02-07). Source: NOAA / National Weather Service.