South Hill, WA Weather & Growing Conditions
Tonight
49°F
Mostly Cloudy
Mostly cloudy. Low around 49, with temperatures rising to around 51 overnight. South southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Cloudy | 2 mph SSW | 0% |
| Saturday | 73°F | Partly Sunny | 0 to 3 mph WNW | 0% |
| Saturday Night | 51°F | Mostly Clear | 2 mph WNW | 0% |
| Sunday | 74°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 50°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 72°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Monday Night | 51°F | Partly Cloudy | 3 mph N | 0% |
| Tuesday | 69°F | Partly Sunny | 3 mph SW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 2 mph WSW | 1% |
| Wednesday | 69°F | Partly Sunny | 3 mph WSW | 11% |
| Wednesday Night | 51°F | Mostly Cloudy | 3 mph WSW | 11% |
| Thursday | 65°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 6 mph NE | 19% |
| Thursday Night | 50°F | Slight Chance Light Rain | 1 to 6 mph NE | 19% |
| Friday | 65°F | Partly Sunny | 1 to 6 mph NW | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Hill, WA
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
8b
Explore more for South Hill, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.