# Frost dates for Springfield, IL (62701)

**Do this (Safe, 2026-11-02):** Frost season started Oct 9. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | Apr 30 | Oct 9 | 162 |
| Median | Apr 15 | Oct 22 | 190 |
| Bold (9 in 10 years later) | Apr 3 | Nov 2 | 213 |

Frost = 32°F. Station: Springfield #2, IL, 2 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 55°F — Go (tonight)
- 2026-11-02: 63°F — Go
- 2026-11-03: 55°F — Go
- 2026-11-04: 47°F — Go
- 2026-11-05: 45°F — Go
- 2026-11-06: 41°F — Go
- 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 Springfield #2, IL (2 mi, about your height). Not endorsed by NOAA. Nights: National Weather Service.

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