# Frost dates for Burien, WA (98166)

**Do this (Safe, 2026-11-02):** 4 days until first frost (Nov 6). Protect tender plants.

| Risk | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Safe (1 in 10 years later) | Mar 23 | Nov 6 | 228 |
| Median | Mar 2 | Nov 23 | 266 |
| Bold (9 in 10 years later) | Feb 5 | Dec 15 | 313 |

Frost = 32°F. Station: Seattle Tacoma Intl AP, WA, 3 mi away.

## Next nights (NWS overnight low)

- 2026-11-02: 46°F — Go (tonight)
- 2026-11-03: 41°F — Go
- 2026-11-04: 49°F — Go
- 2026-11-05: 48°F — Go
- 2026-11-06: 47°F — Go
- 2026-11-07: 49°F — Go
- 2026-11-08: 46°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 Seattle Tacoma Intl AP, WA (3 mi, about your height). Not endorsed by NOAA. Nights: National Weather Service.

Page: https://frostdatecalculator.com/p/wa/burien · JSON: https://frostdatecalculator.com/p/wa/burien?format=json