# Frost dates for DeKalb, IL (60115)

**Do this (Safe, 2026-11-02):** Frost season started Oct 4. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | May 10 | Oct 4 | 147 |
| Median | Apr 24 | Oct 18 | 177 |
| Bold (9 in 10 years later) | Apr 9 | Oct 31 | 205 |

Frost = 32°F. Station: De Kalb, IL, 1 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 54°F — Go (tonight)
- 2026-11-02: 59°F — Go
- 2026-11-03: 56°F — Go
- 2026-11-04: 48°F — Go
- 2026-11-05: 44°F — Go
- 2026-11-06: 40°F — Wait
- 2026-11-07: 40°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 De Kalb, IL (1 mi, about your height). Not endorsed by NOAA. Nights: National Weather Service.

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