# Frost dates for Spanish Fork, UT (84660)

**Do this (Safe, 2026-11-02):** Frost season started Oct 4. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | May 13 | Oct 4 | 144 |
| Median | Apr 25 | Oct 18 | 176 |
| Bold (9 in 10 years later) | Apr 10 | Nov 1 | 205 |

Frost = 32°F. Station: Spanish Fk Pwr House, UT, 3 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 41°F — Go (tonight)
- 2026-11-02: 34°F — Cover
- 2026-11-03: 37°F — Wait
- 2026-11-04: 35°F — Cover
- 2026-11-05: 36°F — Cover
- 2026-11-06: 37°F — Wait
- 2026-11-07: 36°F — Cover

Go above 40°F · Wait 37–40°F · Cover 36°F or less · Freeze 28°F or less.

Source: Frost dates: NOAA NCEI U.S. Climate Normals 1991–2020, station Spanish Fk Pwr House, UT (3 mi, 138 ft higher than you). Not endorsed by NOAA. Nights: National Weather Service.

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