# Frost dates for Waterbury, CT (06702)

**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 9 | Oct 4 | 148 |
| Median | Apr 26 | Oct 16 | 173 |
| Bold (9 in 10 years later) | Apr 11 | Nov 1 | 204 |

Frost = 32°F. Station: Meriden Markham Muni AP, CT, 11 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 38°F — Wait (tonight)
- 2026-11-02: 42°F — Go
- 2026-11-03: 46°F — Go
- 2026-11-04: 52°F — Go
- 2026-11-05: 57°F — Go
- 2026-11-06: 51°F — Go
- 2026-11-07: 43°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 Meriden Markham Muni AP, CT (11 mi, 197 ft lower than you). Not endorsed by NOAA. Nights: National Weather Service.

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