Harman US

Manson, WA Weather & Growing Conditions

This Afternoon
46°F
Partly Sunny
Partly sunny. High near 46, with temperatures falling to around 40 in the afternoon. South wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 46°F Partly Sunny 1 mph S 3%
Tonight 31°F Partly Cloudy then Areas Of Fog 1 mph W 3%
Wednesday 47°F Areas Of Fog then Sunny 0 to 3 mph SE 2%
Wednesday Night 35°F Chance Rain Showers 1 mph NE 45%
Thursday 49°F Mostly Sunny 0 to 5 mph W 7%
Thursday Night 34°F Mostly Cloudy then Chance Rain And Snow Showers 2 mph W 30%
Friday 47°F Chance Rain And Snow Showers 0 to 3 mph SW 30%
Friday Night 34°F Mostly Cloudy 2 mph W 14%
Saturday 47°F Mostly Cloudy 2 mph NE 5%
Saturday Night 36°F Chance Rain Showers 0 mph 33%
Sunday 49°F Chance Rain Showers then Partly Sunny 0 to 8 mph SW 33%
Sunday Night 33°F Mostly Cloudy 0 to 3 mph W 11%
Monday 45°F Partly Sunny then Slight Chance Rain Showers 1 mph E 22%
Monday Night 34°F Chance Rain Showers 0 mph 44%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Manson, WA

Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
7a

Explore more for Manson, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Chelan, Wa (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.