Morton, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Morton, a city in Lewis County, Washington.
Tonight
40°F
Mostly Clear
Mostly clear, with a low around 40. East wind 0 to 5 mph.
7-day forecast for Morton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Mostly Clear | 0 to 5 mph E | 4% |
| Wednesday | 57°F | Mostly Sunny then Chance Light Rain | 1 to 6 mph S | 28% |
| Wednesday Night | 45°F | Light Rain | 1 to 6 mph S | 93% |
| Thursday | 52°F | Chance Light Rain then Partly Sunny | 2 mph SW | 43% |
| Thursday Night | 44°F | Light Rain | 0 to 9 mph ESE | 76% |
| Friday | 52°F | Light Rain | 1 to 9 mph SE | 76% |
| Friday Night | 46°F | Chance Light Rain | 1 to 12 mph ESE | 39% |
| Saturday | 61°F | Partly Sunny then Chance Light Rain | 2 to 14 mph SE | 26% |
| Saturday Night | 48°F | Light Rain | 2 to 17 mph S | 78% |
| Sunday | 53°F | Light Rain | 0 to 16 mph SW | 78% |
| Sunday Night | 43°F | Slight Chance Light Rain | 0 to 9 mph ENE | 20% |
| Monday | 54°F | Chance Light Rain | 1 to 10 mph ESE | 50% |
| Monday Night | 46°F | Light Rain Likely | 1 to 14 mph SE | 64% |
| Tuesday | 55°F | Light Rain Likely | 2 to 15 mph SE | 65% |
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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Packwood
Pe Ell
Toledo
Vader
Winlock
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 Nov 4, 2026.