# Frost dates for Wilmington, DE (19801)

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

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | Apr 24 | Oct 21 | 180 |
| Median | Apr 7 | Nov 4 | 211 |
| Bold (9 in 10 years later) | Mar 26 | Nov 19 | 238 |

Frost = 32°F. Station: Wilmington Porter Rsch, DE, 3 mi away.

## Next nights (NWS overnight low)

- 2026-11-02: 44°F — Go (tonight)
- 2026-11-03: 50°F — Go
- 2026-11-04: 58°F — Go
- 2026-11-05: 59°F — Go
- 2026-11-06: 53°F — Go
- 2026-11-07: 47°F — Go
- 2026-11-08: 47°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 Wilmington Porter Rsch, DE (3 mi, 203 ft higher than you). Not endorsed by NOAA. Nights: National Weather Service.

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