# Frost dates for Eau Claire, WI (54701)

**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 7 | Sep 26 | 142 |
| Median | Apr 24 | Oct 14 | 173 |
| Bold (9 in 10 years later) | Apr 9 | Oct 28 | 202 |

Frost = 32°F. Station: Eau Claire 3SW, WI, 2 mi away.

## Next nights (NWS overnight low)

- 2026-11-02: 59°F — Go (tonight)
- 2026-11-03: 53°F — Go
- 2026-11-04: 47°F — Go
- 2026-11-05: 39°F — Wait
- 2026-11-06: 36°F — Cover
- 2026-11-07: 38°F — Wait
- 2026-11-08: 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 Eau Claire 3SW, WI (2 mi, 82 ft higher than you). Not endorsed by NOAA. Nights: National Weather Service.

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