# Frost dates for St. Peters, MO (63376)

**Do this (Safe, 2026-11-02):** Frost season started Oct 14. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | Apr 25 | Oct 14 | 172 |
| Median | Apr 9 | Oct 26 | 200 |
| Bold (9 in 10 years later) | Mar 27 | Nov 7 | 225 |

Frost = 32°F. Station: St Peters 2 SE, MO, 1 mi away.

## Next nights (NWS overnight low)

- 2026-11-02: 64°F — Go (tonight)
- 2026-11-03: 54°F — Go
- 2026-11-04: 46°F — Go
- 2026-11-05: 45°F — Go
- 2026-11-06: 42°F — Go
- 2026-11-07: 42°F — Go
- 2026-11-08: 41°F — Go

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 St Peters 2 SE, MO (1 mi, 82 ft higher than you). Not endorsed by NOAA. Nights: National Weather Service.

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