Spanaway, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spanaway, a community in Pierce County, Washington.
Today
74°F
Partly Sunny
Partly sunny, with a high near 74. Northwest wind around 2 mph.
7-day forecast for Spanaway
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny | 2 mph NW | 0% |
| Tonight | 50°F | Partly Cloudy | 2 mph NNW | 0% |
| Sunday | 75°F | Partly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 48°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 72°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 | 2 mph NW | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 2 mph WSW | 1% |
| Wednesday | 69°F | Partly Sunny | 3 mph W | 9% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 3 mph W | 9% |
| Thursday | 66°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 6 mph NNE | 19% |
| Thursday Night | 49°F | Slight Chance Light Rain | 1 to 6 mph NE | 19% |
| Friday | 65°F | Partly Sunny | 1 to 6 mph NW | 12% |
| Friday Night | 46°F | Partly Cloudy | 1 to 6 mph NE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Spanaway (47.098, -122.423). Updated through the day.
Growing snapshot for Spanaway
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
8b
More local growing data for Spanaway: nearby ZIP 98445 weather · frost dates · planting calendar · Washington frost dates
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Home
Kapowsin
Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (7 mi from Spanaway). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.