# Frost dates for Covina, CA (91723)

**Do this (Safe, 2026-11-02):** 33 days until first frost (Dec 5). Tender plants OK outdoors.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | Feb 18 | Dec 5 | 290 |
| Median | Jan 8 | Dec 28 | 354 |
| Bold (9 in 10 years later) | Dec 14 | Feb 2 | -315 |

Frost = 32°F. Station: Pomona/fairplex, CA, 7 mi away.

## Next nights (NWS overnight low)

- 2026-11-01: 54°F — Go (tonight)
- 2026-11-02: 56°F — Go
- 2026-11-03: 54°F — Go
- 2026-11-04: 56°F — Go
- 2026-11-05: 56°F — Go
- 2026-11-06: 58°F — Go
- 2026-11-07: 59°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 Pomona/fairplex, CA (7 mi, 509 ft higher than you). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/ca/covina · JSON: https://frostdatecalculator.com/p/ca/covina?format=json