Harman US

White Swan, WA Weather & Growing Conditions

Overnight
57°F
Smoke
Smoke. Clear. Low around 57, with temperatures rising to around 61 overnight. West wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 57°F Smoke 6 mph W 0%
Tuesday 88°F Smoke 7 mph NE 0%
Tuesday Night 61°F Areas Of Smoke 3 to 7 mph W 0%
Wednesday 94°F Areas Of Smoke 2 to 7 mph E 0%
Wednesday Night 64°F Patchy Smoke then Clear 3 to 7 mph S 0%
Thursday 100°F Sunny 5 to 9 mph SW 0%
Thursday Night 65°F Clear 12 mph W 0%
Friday 97°F Sunny 6 to 13 mph W 0%
Friday Night 63°F Mostly Clear 7 to 13 mph W 0%
Saturday 94°F Sunny 5 to 12 mph W 0%
Saturday Night 60°F Mostly Clear 7 to 13 mph W 0%
Sunday 90°F Sunny 7 mph NE 0%
Sunday Night 58°F Mostly Clear 8 mph NW 0%
Monday 88°F Sunny 7 mph N 0%

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 Aug 4, 2026.