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Fort Lewis, WA Weather & Growing Conditions

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

Overnight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. Southwest wind around 1 mph.

7-day forecast for Fort Lewis

WhenTempForecastWindPrecip
Overnight 49°F Mostly Cloudy 1 mph SW 0%
Saturday 74°F Partly Sunny 0 to 3 mph WNW 0%
Saturday Night 49°F Mostly Clear 2 mph NNW 0%
Sunday 74°F Partly Sunny 0 to 5 mph N 0%
Sunday Night 48°F Mostly Clear 0 to 5 mph N 0%
Monday 73°F Mostly Sunny 0 to 3 mph NW 0%
Monday Night 51°F Partly Cloudy 0 to 3 mph NW 0%
Tuesday 70°F Partly Sunny 0 to 3 mph WNW 0%
Tuesday Night 48°F Partly Cloudy 3 mph WSW 1%
Wednesday 69°F Partly Sunny 1 to 6 mph W 8%
Wednesday Night 50°F Mostly Cloudy 0 to 6 mph WNW 8%
Thursday 66°F Mostly Cloudy then Slight Chance Light Rain 0 to 7 mph NNE 20%
Thursday Night 49°F Slight Chance Light Rain 1 to 7 mph NNE 20%
Friday 66°F Partly Sunny 1 to 7 mph WNW 12%

Forecast source: National Weather Service (api.weather.gov) for Fort Lewis (47.096, -122.567). Updated through the day.

Growing snapshot for Fort Lewis

Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b

More local growing data for Fort Lewis: nearby ZIP 98430 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (10.4 mi from Fort Lewis). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.