# Frost dates for Hartford, CT (06103)

**Do this (Safe, 2026-11-02):** Frost season started Oct 12. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | May 1 | Oct 12 | 164 |
| Median | Apr 17 | Oct 26 | 192 |
| Bold (9 in 10 years later) | Apr 1 | Nov 7 | 220 |

Frost = 32°F. Station: Hartford Brainard Fld, CT, 3 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 40°F — Wait (tonight)
- 2026-11-02: 42°F — Go
- 2026-11-03: 47°F — Go
- 2026-11-04: 53°F — Go
- 2026-11-05: 59°F — Go
- 2026-11-06: 53°F — Go
- 2026-11-07: 46°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 Hartford Brainard Fld, CT (3 mi, about your height). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/ct/hartford · JSON: https://frostdatecalculator.com/p/ct/hartford?format=json