# Frost dates for Oshkosh, WI (54904)

**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 8 | Oct 4 | 149 |
| Median | Apr 24 | Oct 20 | 179 |
| Bold (9 in 10 years later) | Apr 10 | Nov 2 | 206 |

Frost = 32°F. Station: Oshkosh, WI, 0 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 50°F — Go (tonight)
- 2026-11-02: 58°F — Go
- 2026-11-03: 55°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 Oshkosh, WI (0 mi, about your height). Not endorsed by NOAA. Nights: National Weather Service.

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