# Frost dates for Casa Grande, AZ (85122)

**Do this (Safe, 2026-11-02):** 16 days until first frost (Nov 18). Tender plants OK outdoors.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | Feb 28 | Nov 18 | 263 |
| Median | Feb 5 | Dec 6 | 304 |
| Bold (9 in 10 years later) | Jan 5 | Dec 29 | 358 |

Frost = 32°F. Station: Casa Grande, AZ, 3 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 54°F — Go (tonight)
- 2026-11-02: 48°F — Go
- 2026-11-03: 49°F — Go
- 2026-11-04: 48°F — Go
- 2026-11-05: 49°F — Go
- 2026-11-06: 50°F — Go
- 2026-11-07: 49°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 Casa Grande, AZ (3 mi, about your height). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/az/casa-grande · JSON: https://frostdatecalculator.com/p/az/casa-grande?format=json