Allyn, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allyn, a community in Mason County, Washington.
Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. North wind around 2 mph.
7-day forecast for Allyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 2 mph N | 0% |
| Tuesday | 86°F | Sunny then Areas Of Smoke | 2 to 8 mph NNE | 0% |
| Tuesday Night | 57°F | Areas Of Smoke | 2 to 8 mph NNE | 0% |
| Wednesday | 91°F | Patchy Smoke | 2 to 6 mph NNE | 0% |
| Wednesday Night | 58°F | 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 | 86°F | Sunny | 2 to 7 mph SW | 0% |
| Friday Night | 57°F | Mostly Clear | 0 to 7 mph WSW | 0% |
| Saturday | 82°F | Sunny | 0 to 7 mph SSW | 0% |
| Saturday Night | 55°F | Mostly Clear | 1 to 7 mph SW | 1% |
| Sunday | 78°F | Mostly Sunny | 1 to 7 mph SSW | 1% |
| Sunday Night | 54°F | Mostly Clear | 1 to 7 mph SW | 0% |
| Monday | 77°F | Mostly Sunny | 1 to 6 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Allyn (47.387, -122.839). Updated through the day.
Growing snapshot for Allyn
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
More local growing data for Allyn: nearby ZIP 98524 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (14 mi from Allyn). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.