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La Grande, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for La Grande, a community in Pierce County, Washington.

Overnight
52°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 52. South wind around 1 mph.

7-day forecast for La Grande

WhenTempForecastWindPrecip
Overnight 52°F Areas Of Smoke 1 mph S 0%
Tuesday 84°F Areas Of Smoke 0 to 5 mph NNW 0%
Tuesday Night 57°F Areas Of Smoke 0 to 3 mph NNW 0%
Wednesday 89°F Areas Of Smoke 0 to 3 mph NW 0%
Wednesday Night 60°F Mostly Clear 0 to 3 mph N 0%
Thursday 88°F Sunny 0 to 3 mph NW 0%
Thursday Night 58°F Mostly Clear 0 to 3 mph NW 0%
Friday 84°F Sunny 0 to 3 mph NW 0%
Friday Night 55°F Mostly Clear 0 to 3 mph NW 0%
Saturday 79°F Sunny 0 to 5 mph NNW 0%
Saturday Night 52°F Mostly Clear 0 to 5 mph WNW 0%
Sunday 74°F Mostly Sunny 0 to 3 mph NW 0%
Sunday Night 51°F Partly Cloudy 0 to 3 mph NW 0%
Monday 74°F Mostly Sunny 0 to 3 mph NNW 0%

Forecast source: National Weather Service (api.weather.gov) for La Grande (46.811, -122.283). Updated through the day.

Growing snapshot for La Grande

Last spring frost
May 22
First fall frost
Oct 3
Growing season
134 days
Hardiness zone
8b

More local growing data for La Grande: nearby ZIP 98328 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Longmire Rainier Nps, Wa (18.3 mi from La Grande). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.