# Frost dates for Concord, NH (03303)

**Do this (Safe, 2026-11-02):** Frost season started Sep 21. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | May 22 | Sep 21 | 122 |
| Median | May 8 | Oct 3 | 148 |
| Bold (9 in 10 years later) | Apr 27 | Oct 16 | 172 |

Frost = 32°F. Station: Concord Muni AP, NH, 4 mi away.

## Next nights (NWS overnight low)

- 2026-11-02: 42°F — Go (tonight)
- 2026-11-03: 44°F — Go
- 2026-11-04: 48°F — Go
- 2026-11-05: 52°F — Go
- 2026-11-06: 47°F — Go
- 2026-11-07: 40°F — Wait
- 2026-11-08: 35°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 Concord Muni AP, NH (4 mi, 85 ft higher than you). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/nh/concord · JSON: https://frostdatecalculator.com/p/nh/concord?format=json