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Malden, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Malden, a town in Whitman County, Washington.

This Afternoon
53°F
Mostly Cloudy
Mostly cloudy. High near 53, with temperatures falling to around 48 in the afternoon. North wind around 1 mph.

7-day forecast for Malden

WhenTempForecastWindPrecip
This Afternoon 53°F Mostly Cloudy 1 mph N 3%
Tonight 34°F Mostly Cloudy 1 mph NE 3%
Wednesday 52°F Patchy Fog then Sunny 2 mph S 2%
Wednesday Night 36°F Mostly Cloudy then Rain Showers Likely 0 to 3 mph SE 61%
Thursday 51°F Rain Showers Likely then Mostly Cloudy 3 to 9 mph SW 61%
Thursday Night 36°F Partly Cloudy 5 mph S 5%
Friday 54°F Mostly Cloudy 3 to 8 mph S 9%
Friday Night 38°F Mostly Cloudy 2 to 6 mph S 5%
Saturday 62°F Partly Sunny 2 to 6 mph SE 5%
Saturday Night 41°F Mostly Cloudy then Slight Chance Rain Showers 6 mph SE 23%
Sunday 57°F Slight Chance Rain Showers 6 to 10 mph SW 23%
Sunday Night 38°F Mostly Cloudy 2 to 7 mph S 13%
Monday 56°F Mostly Cloudy then Slight Chance Rain Showers 5 mph E 18%
Monday Night 39°F Slight Chance Rain Showers 2 mph S 21%

Forecast source: National Weather Service (api.weather.gov) for Malden (47.230, -117.473). Updated through the day.

Growing snapshot for Malden

Last spring frost
May 7
First fall frost
Sep 28
Growing season
144 days
Hardiness zone
6b

More local growing data for Malden: nearby ZIP 99149 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Rosalia, Wa (4.9 mi from Malden). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.