# Frost dates for Madison, WI (53792)

**Do this (Safe, 2026-11-02):** Frost season started Sep 26. Keep covers ready for cold nights.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | May 17 | Sep 26 | 132 |
| Median | May 1 | Oct 9 | 161 |
| Bold (9 in 10 years later) | Apr 18 | Oct 24 | 189 |

Frost = 32°F. Station: Uw Arboretum - Madison, WI, 3 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 54°F — Go (tonight)
- 2026-11-02: 60°F — Go
- 2026-11-03: 54°F — Go
- 2026-11-04: 48°F — Go
- 2026-11-05: 42°F — Go
- 2026-11-06: 38°F — Wait
- 2026-11-07: 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 Uw Arboretum - Madison, WI (3 mi, about your height). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/wi/madison · JSON: https://frostdatecalculator.com/p/wi/madison?format=json