# Frost dates for Lowell, MA (01851)

**Do this (Safe, 2026-11-02):** Frost season started Sep 30. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | May 10 | Sep 30 | 143 |
| Median | Apr 30 | Oct 10 | 163 |
| Bold (9 in 10 years later) | Apr 19 | Oct 24 | 188 |

Frost = 32°F. Station: Lowell, MA, 2 mi away.

## Next nights (NWS overnight low)

- 2026-11-02: 44°F — Go (tonight)
- 2026-11-03: 47°F — Go
- 2026-11-04: 51°F — Go
- 2026-11-05: 57°F — Go
- 2026-11-06: 51°F — Go
- 2026-11-07: 44°F — Go
- 2026-11-08: 39°F — Wait

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 Lowell, MA (2 mi, about your height). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/ma/lowell · JSON: https://frostdatecalculator.com/p/ma/lowell?format=json