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
56°F
Haze
Haze and areas of smoke. Mostly clear. Low around 56, with temperatures rising to around 59 overnight. North wind around 13 mph.
7-day forecast for Banks Lake South
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Haze | 13 mph N | 0% |
| Tuesday | 87°F | Haze | 2 to 13 mph NW | 0% |
| Tuesday Night | 60°F | Patchy Smoke then Haze | 2 to 7 mph NW | 0% |
| Wednesday | 93°F | Smoke | 3 to 7 mph SW | 0% |
| Wednesday Night | 63°F | Areas Of Smoke then Mostly Clear | 5 to 8 mph SW | 0% |
| Thursday | 97°F | Sunny | 3 to 9 mph SW | 0% |
| Thursday Night | 66°F | Mostly Clear | 5 to 9 mph W | 0% |
| Friday | 97°F | Sunny | 5 to 20 mph W | 0% |
| Friday Night | 64°F | Mostly Clear | 10 to 20 mph W | 0% |
| Saturday | 92°F | Sunny | 7 to 16 mph W | 0% |
| Saturday Night | 62°F | Mostly Clear | 13 to 18 mph W | 0% |
| Sunday | 89°F | Sunny | 7 to 13 mph W | 0% |
| Sunday Night | 60°F | Mostly Clear | 12 mph W | 0% |
| Monday | 88°F | Sunny | 5 to 10 mph W | 0% |
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 Aug 4, 2026.