South Prairie, WA Weather & Growing Conditions
Today
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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 1 mph NNW | 0% |
| Tonight | 51°F | Mostly Clear | 0 mph | 0% |
| Sunday | 74°F | Mostly Sunny | 1 mph NNW | 0% |
| Sunday Night | 51°F | Mostly Clear | 1 mph N | 0% |
| Monday | 71°F | Mostly Sunny | 1 mph NW | 0% |
| Monday Night | 50°F | Partly Cloudy | 1 mph NNW | 0% |
| Tuesday | 67°F | Partly Sunny | 2 mph NNW | 1% |
| Tuesday Night | 48°F | Mostly Cloudy | 1 mph SSW | 1% |
| Wednesday | 67°F | Partly Sunny | 1 mph WNW | 13% |
| Wednesday Night | 49°F | Mostly Cloudy | 1 mph NW | 13% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph N | 19% |
| Thursday Night | 47°F | Slight Chance Light Rain | 2 mph NNE | 19% |
| Friday | 63°F | Slight Chance Light Rain then Partly Sunny | 2 mph NW | 16% |
| Friday Night | 46°F | Partly Cloudy | 2 mph ENE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Prairie, WA
Last spring frost
Apr 7
First fall frost
Oct 30
Growing season
204 days
Hardiness zone
8b
Explore more for South Prairie, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Buckley 1 Ne, Wa (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.