Basin City, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Basin City, a community in Franklin County, Washington.
This Afternoon
51°F
Mostly Sunny
Mostly sunny. High near 51, with temperatures falling to around 46 in the afternoon. South wind around 2 mph.
7-day forecast for Basin City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Mostly Sunny | 2 mph S | 2% |
| Tonight | 37°F | Patchy Fog | 3 mph S | 23% |
| Thursday | 57°F | Patchy Fog then Sunny | 2 to 6 mph SW | 3% |
| Thursday Night | 33°F | Partly Cloudy then Patchy Fog | 5 mph SE | 1% |
| Friday | 53°F | Patchy Fog then Slight Chance Rain Showers | 1 to 5 mph SE | 21% |
| Friday Night | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 3 mph SE | 21% |
| Saturday | 58°F | Mostly Sunny | 3 mph N | 0% |
| Saturday Night | 37°F | Mostly Cloudy | 1 to 7 mph W | 2% |
| Sunday | 59°F | Mostly Cloudy | 5 to 9 mph SW | 3% |
| Sunday Night | 36°F | Mostly Cloudy | 1 to 5 mph N | 3% |
| Monday | 55°F | Partly Sunny | 3 mph NW | 9% |
| Monday Night | 35°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph S | 21% |
| Tuesday | 59°F | Chance Rain Showers | 5 mph S | 27% |
| Tuesday Night | 39°F | Slight Chance Rain Showers | 5 mph SE | 19% |
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 Nov 5, 2026.