South Prairie, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Prairie, a town in Pierce County, Washington.
This Afternoon
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 71 in the afternoon. North northwest wind around 1 mph.
7-day forecast for South Prairie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 1 mph NNW | 0% |
| Tonight | 51°F | Mostly Clear | 1 mph N | 0% |
| Sunday | 75°F | Mostly Sunny | 1 mph NNW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 1 mph N | 0% |
| Monday | 72°F | Partly Sunny | 1 mph NW | 0% |
| Monday Night | 50°F | Partly Cloudy | 1 mph NNW | 0% |
| Tuesday | 68°F | Partly Sunny | 1 mph NW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 1 mph SW | 2% |
| Wednesday | 66°F | Partly Sunny | 1 mph SW | 9% |
| Wednesday Night | 47°F | Mostly Cloudy | 1 mph W | 9% |
| Thursday | 63°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph N | 17% |
| Thursday Night | 47°F | Slight Chance Light Rain | 2 mph N | 19% |
| Friday | 62°F | Slight Chance Light Rain | 2 mph N | 24% |
| Friday Night | 44°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph ENE | 20% |
Forecast source: National Weather Service (api.weather.gov) for South Prairie (47.135, -122.097). Updated through the day.
Growing snapshot for South Prairie
Last spring frost
Apr 7
First fall frost
Oct 30
Growing season
204 days
Hardiness zone
8b
More local growing data for South Prairie: nearby ZIP 98385 weather · frost dates · planting calendar · Washington frost dates
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Home
Kapowsin
Climate data from the nearest NOAA station, Buckley 1 Ne, Wa (4.8 mi from South Prairie). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.