Harman US

White Swan, WA Weather & Growing Conditions

Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. East wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Mostly Sunny 7 mph E 0%
Tonight 58°F Mostly Clear 5 mph W 0%
Sunday 83°F Sunny 2 to 7 mph NE 0%
Sunday Night 59°F Mostly Clear 3 mph W 0%
Monday 85°F Sunny 2 to 7 mph SE 0%
Monday Night 57°F Partly Cloudy 6 mph W 0%
Tuesday 80°F Mostly Sunny 6 mph W 0%
Tuesday Night 52°F Partly Cloudy 5 to 8 mph W 0%
Wednesday 74°F Mostly Sunny 7 mph W 0%
Wednesday Night 50°F Partly Cloudy 2 to 7 mph W 1%
Thursday 69°F Mostly Sunny 2 to 6 mph NE 6%
Thursday Night 50°F Mostly Cloudy 5 mph W 9%
Friday 66°F Partly Sunny 2 to 8 mph SW 9%
Friday Night 47°F Partly Cloudy 3 to 8 mph W 6%

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

Growing snapshot for White Swan, WA

Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
176 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Wapato, Wa (19.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.