Banks Lake South, WA Weather & Growing Conditions
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. Northwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 6 mph NW | 0% |
| Saturday | 75°F | Mostly Sunny | 5 to 8 mph SE | 0% |
| Saturday Night | 53°F | Partly Cloudy | 3 to 7 mph S | 0% |
| Sunday | 77°F | Sunny | 7 mph SE | 0% |
| Sunday Night | 54°F | Mostly Clear | 6 mph N | 0% |
| Monday | 77°F | Sunny | 5 to 8 mph S | 0% |
| Monday Night | 54°F | Partly Cloudy | 6 to 9 mph W | 0% |
| Tuesday | 73°F | Mostly Sunny | 6 to 9 mph NW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 8 mph W | 0% |
| Wednesday | 68°F | Mostly Sunny | 6 to 10 mph W | 0% |
| Wednesday Night | 50°F | Mostly Cloudy | 10 mph W | 0% |
| Thursday | 65°F | Partly Sunny | 8 mph NW | 6% |
| Thursday Night | 49°F | Mostly Cloudy | 7 to 10 mph NW | 8% |
| Friday | 62°F | Partly Sunny | 10 to 14 mph NW | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Banks Lake South, WA
Last spring frost
May 2
First fall frost
Oct 12
Growing season
162 days
Hardiness zone
6b
Explore more for Banks Lake South, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Hartline, Wa (12.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.