Banks Lake South, WA Weather & Growing Conditions
Today
49°F
Sunny
Sunny. High near 49, with temperatures falling to around 44 in the afternoon. South wind 3 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Sunny | 3 to 9 mph S | 3% |
| Tonight | 37°F | Chance Rain Showers | 6 mph SE | 40% |
| Thursday | 52°F | Mostly Sunny | 3 to 7 mph SW | 3% |
| Thursday Night | 36°F | Partly Cloudy | 7 mph SE | 7% |
| Friday | 48°F | Mostly Cloudy | 7 to 10 mph SE | 7% |
| Friday Night | 36°F | Mostly Cloudy | 6 to 9 mph E | 7% |
| Saturday | 54°F | Partly Sunny | 5 to 9 mph NE | 5% |
| Saturday Night | 38°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 12 mph SE | 15% |
| Sunday | 54°F | Slight Chance Rain Showers then Partly Sunny | 10 to 18 mph SW | 15% |
| Sunday Night | 36°F | Mostly Cloudy | 7 to 10 mph W | 2% |
| Monday | 51°F | Partly Sunny then Slight Chance Rain Showers | 5 to 9 mph NE | 15% |
| Monday Night | 36°F | Slight Chance Rain Showers | 5 to 8 mph NE | 23% |
| Tuesday | 52°F | Slight Chance Rain Showers | 6 to 9 mph SE | 23% |
| Tuesday Night | 38°F | Slight Chance Rain Showers | 6 to 10 mph E | 21% |
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 Nov 4, 2026.