McChord AFB, WA Weather & Growing Conditions

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

Today

74°F

Partly Sunny

Partly sunny, with a high near 74. West northwest wind 0 to 3 mph.

7-day forecast for McChord AFB

When	Temp	Forecast	Wind	Precip
Today	74°F	Partly Sunny	0 to 3 mph WNW	0%
Tonight	49°F	Mostly Clear	2 mph NNW	0%
Sunday	75°F	Mostly 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	50°F	Partly Cloudy	0 to 3 mph NNW	0%
Tuesday	70°F	Partly Sunny	0 to 3 mph WNW	0%
Tuesday Night	48°F	Partly Cloudy	3 mph WSW	1%
Wednesday	70°F	Partly Sunny	1 to 5 mph W	10%
Wednesday Night	50°F	Mostly Cloudy	0 to 5 mph WNW	10%
Thursday	66°F	Mostly Cloudy then Slight Chance Light Rain	0 to 7 mph NNE	19%
Thursday Night	49°F	Slight Chance Light Rain	1 to 7 mph NNE	19%
Friday	66°F	Partly Sunny	1 to 7 mph WNW	12%
Friday Night	47°F	Partly Cloudy	1 to 7 mph NE	11%

Forecast source: National Weather Service (api.weather.gov) for McChord AFB (47.133, -122.492). Updated through the day.

Growing snapshot for McChord AFB

Last spring frost

Mar 8

First fall frost

Nov 14

Growing season

250 days

Hardiness zone

More local growing data for McChord AFB: nearby ZIP 98438 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Tacoma #1, Wa (8.6 mi from McChord AFB). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.