Basin City, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Basin City, a community in Franklin County, Washington.
Today
80°F
Sunny
Sunny, with a high near 80. South wind around 3 mph.
7-day forecast for Basin City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 3 mph S | 0% |
| Tonight | 52°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 84°F | Sunny | 2 mph NW | 0% |
| Sunday Night | 53°F | Mostly Clear | 2 mph N | 0% |
| Monday | 85°F | Sunny | 2 mph W | 0% |
| Monday Night | 54°F | Partly Cloudy | 2 mph SW | 0% |
| Tuesday | 81°F | Mostly Sunny | 1 to 5 mph SW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 5 mph SW | 0% |
| Wednesday | 76°F | Mostly Sunny | 6 mph S | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph W | 1% |
| Thursday | 73°F | Mostly Sunny | 3 mph NW | 3% |
| Thursday Night | 50°F | Mostly Cloudy | 3 mph NW | 7% |
| Friday | 71°F | Mostly Sunny | 6 mph W | 7% |
| Friday Night | 48°F | Partly Cloudy | 6 mph W | 6% |
Forecast source: National Weather Service (api.weather.gov) for Basin City (46.589, -119.157). Updated through the day.
Growing snapshot for Basin City
Last spring frost
Apr 21
First fall frost
Oct 22
Growing season
182 days
Hardiness zone
7a
More local growing data for Basin City: nearby ZIP 99343 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Eltopia 8 Wsw, Wa (13.7 mi from Basin City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.