Morton, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Morton, a city in Lewis County, Washington.
Overnight
49°F
Partly Cloudy
Partly cloudy. Low around 49, with temperatures rising to around 51 overnight. East northeast wind around 2 mph.
7-day forecast for Morton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Partly Cloudy | 2 mph ENE | 0% |
| Saturday | 74°F | Mostly Sunny | 2 mph NNW | 0% |
| Saturday Night | 52°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Sunday | 77°F | Sunny | 2 mph NW | 0% |
| Sunday Night | 52°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 70°F | Mostly Sunny | 3 mph N | 0% |
| Monday Night | 49°F | Partly Cloudy | 2 mph NNW | 0% |
| Tuesday | 66°F | Partly Sunny | 0 to 3 mph NNW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 3 mph NNW | 1% |
| Wednesday | 65°F | Partly Sunny | 3 mph N | 1% |
| Wednesday Night | 49°F | Mostly Cloudy | 3 mph N | 1% |
| Thursday | 63°F | Mostly Cloudy then Slight Chance Light Rain | 3 mph N | 15% |
| Thursday Night | 47°F | Slight Chance Light Rain | 5 mph N | 15% |
| Friday | 61°F | Partly Sunny | 5 mph NNW | 13% |
Forecast source: National Weather Service (api.weather.gov) for Morton (46.557, -122.281). Updated through the day.
Growing snapshot for Morton
Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
176 days
Hardiness zone
8b
More local growing data for Morton: nearby ZIP 98356 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Glenoma, Wa (7.7 mi from Morton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.