Allyn, WA Weather & Growing Conditions
Overnight
53°F
Mostly Clear
Mostly clear. Low around 53, with temperatures rising to around 55 overnight. North northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 2 mph NNW | 0% |
| Tuesday | 87°F | Sunny then Areas Of Smoke | 2 to 8 mph N | 0% |
| Tuesday Night | 58°F | Areas Of Smoke | 2 to 8 mph N | 0% |
| Wednesday | 92°F | Patchy Smoke | 2 to 6 mph NNE | 0% |
| Wednesday Night | 59°F | Mostly Clear | 1 to 6 mph N | 0% |
| Thursday | 90°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 58°F | Mostly Clear | 2 to 6 mph SW | 0% |
| Friday | 87°F | Sunny | 3 to 7 mph SW | 0% |
| Friday Night | 57°F | Mostly Clear | 1 to 7 mph WSW | 0% |
| Saturday | 83°F | Sunny | 1 to 7 mph SW | 0% |
| Saturday Night | 55°F | Mostly Clear | 1 to 7 mph SSW | 0% |
| Sunday | 78°F | Mostly Sunny | 1 to 7 mph SSW | 0% |
| Sunday Night | 54°F | Mostly Clear | 1 to 7 mph SW | 0% |
| Monday | 78°F | Mostly Sunny | 1 to 6 mph SW | 0% |
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 Aug 4, 2026.