Morton, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Morton, a city in Lewis County, Washington.
This Afternoon
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. West wind around 2 mph.
7-day forecast for Morton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 2 mph W | 0% |
| Tonight | 52°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 77°F | Sunny | 3 mph WNW | 0% |
| Sunday Night | 53°F | Partly Cloudy | 2 mph NNE | 0% |
| Monday | 72°F | Mostly Sunny | 3 mph NW | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph NNW | 0% |
| Tuesday | 66°F | Partly Sunny | 0 to 3 mph NW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 3 mph S | 1% |
| Wednesday | 63°F | Partly Sunny | 3 mph W | 5% |
| Wednesday Night | 47°F | Mostly Cloudy | 3 mph N | 4% |
| Thursday | 62°F | Partly Sunny then Slight Chance Light Rain | 1 to 5 mph NNE | 16% |
| Thursday Night | 47°F | Slight Chance Light Rain | 5 mph N | 16% |
| Friday | 59°F | Slight Chance Light Rain | 5 mph N | 21% |
| Friday Night | 45°F | Slight Chance Light Rain | 2 to 6 mph NNE | 16% |
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 20, 2026.