Banks Lake South, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Banks Lake South, a community in Douglas County, Washington.
Overnight
37°F
Mostly Clear
Mostly clear, with a low around 37. Northeast wind around 6 mph.
7-day forecast for Banks Lake South
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Mostly Clear | 6 mph NE | 1% |
| Wednesday | 54°F | Sunny | 2 to 6 mph SE | 3% |
| Wednesday Night | 39°F | Chance Rain Showers | 6 mph SE | 40% |
| Thursday | 56°F | Mostly Sunny | 2 to 6 mph S | 4% |
| Thursday Night | 37°F | Partly Cloudy | 5 to 8 mph SE | 7% |
| Friday | 53°F | Mostly Cloudy | 8 mph SE | 7% |
| Friday Night | 38°F | Mostly Cloudy | 5 to 9 mph E | 7% |
| Saturday | 59°F | Partly Sunny | 5 to 9 mph E | 5% |
| Saturday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 12 mph E | 15% |
| Sunday | 59°F | Slight Chance Rain Showers then Partly Sunny | 9 to 18 mph SW | 15% |
| Sunday Night | 37°F | Mostly Cloudy | 7 to 10 mph NW | 2% |
| Monday | 56°F | Partly Sunny then Slight Chance Rain Showers | 3 to 10 mph NE | 15% |
| Monday Night | 38°F | Slight Chance Rain Showers | 3 to 8 mph NE | 22% |
| Tuesday | 57°F | Slight Chance Rain Showers | 5 to 8 mph SE | 22% |
Forecast source: National Weather Service (api.weather.gov) for Banks Lake South (47.630, -119.274). Updated through the day.
Growing snapshot for Banks Lake South
Last spring frost
May 2
First fall frost
Oct 12
Growing season
162 days
Hardiness zone
6b
More local growing data for Banks Lake South: nearby ZIP 99115 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hartline, Wa (12.7 mi from Banks Lake South). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.