Allyn, WA Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 73°F | Partly Sunny | 0 to 3 mph S | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 74°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Sunday Night | 49°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Monday | 72°F | Partly Sunny | 0 to 3 mph SSE | 0% |
| Monday Night | 51°F | Partly Cloudy | 0 to 3 mph NNE | 1% |
| Tuesday | 70°F | Partly Sunny | 0 to 3 mph SSW | 1% |
| Tuesday Night | 48°F | Mostly Cloudy | 0 to 3 mph SW | 5% |
| Wednesday | 68°F | Partly Sunny | 0 to 6 mph SW | 8% |
| Wednesday Night | 49°F | Mostly Cloudy | 1 to 6 mph NNW | 6% |
| Thursday | 65°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 7 mph NNE | 22% |
| Thursday Night | 48°F | Chance Light Rain | 1 to 7 mph N | 26% |
| Friday | 65°F | Mostly Sunny | 1 to 8 mph NNE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Allyn, WA
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
Explore more for Allyn, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (14 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.