# Frost dates for Springfield, OR (97478)

**Do this (Safe, 2026-11-02):** Frost season started Oct 6. 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 6 | 150 |
| Median | Apr 11 | Oct 23 | 195 |
| Bold (9 in 10 years later) | Mar 15 | Nov 13 | 243 |

Frost = 32°F. Station: Eugene Mahlon Sweet AP, OR, 13 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 31°F — Cover (tonight)
- 2026-11-02: 37°F — Wait
- 2026-11-03: 36°F — Cover
- 2026-11-04: 43°F — Go
- 2026-11-05: 41°F — Go
- 2026-11-06: 40°F — Wait
- 2026-11-07: 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 Eugene Mahlon Sweet AP, OR (13 mi, 154 ft lower than you). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/or/springfield · JSON: https://frostdatecalculator.com/p/or/springfield?format=json