LaCrosse, WA Weather & Growing Conditions
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 3 mph S | 1% |
| Saturday | 80°F | Sunny | 3 mph SW | 0% |
| Saturday Night | 51°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 84°F | Sunny | 3 mph SE | 0% |
| Sunday Night | 53°F | Mostly Clear | 2 mph SE | 0% |
| Monday | 84°F | Sunny | 5 mph S | 0% |
| Monday Night | 54°F | Partly Cloudy | 3 mph S | 0% |
| Tuesday | 80°F | Mostly Sunny | 5 mph S | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 3 mph SW | 1% |
| Wednesday | 76°F | Mostly Sunny | 5 mph SW | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph S | 0% |
| Thursday | 81°F | Mostly Sunny | 3 mph SE | 2% |
| Thursday Night | 52°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph S | 15% |
| Friday | 76°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph SW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for LaCrosse, WA
Last spring frost
May 13
First fall frost
Sep 26
Growing season
133 days
Hardiness zone
7a
Explore more for LaCrosse, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Lacrosse, Wa (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.