LaCrosse, WA Weather & Growing Conditions
Tonight
34°F
Partly Cloudy
Partly cloudy. Low around 34, with temperatures rising to around 36 overnight. Southwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 34°F | Partly Cloudy | 1 mph SW | 2% |
| Wednesday | 52°F | Patchy Fog then Sunny | 2 mph W | 2% |
| Wednesday Night | 38°F | Chance Rain Showers | 3 mph S | 36% |
| Thursday | 55°F | Chance Rain Showers then Partly Sunny | 3 to 9 mph SW | 36% |
| Thursday Night | 38°F | Partly Cloudy | 3 mph SE | 1% |
| Friday | 56°F | Partly Sunny | 3 mph SE | 3% |
| Friday Night | 39°F | Mostly Cloudy | 2 mph SE | 3% |
| Saturday | 63°F | Mostly Sunny | 3 mph E | 2% |
| Saturday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SE | 15% |
| Sunday | 57°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 8 mph SW | 15% |
| Sunday Night | 38°F | Mostly Cloudy | 3 mph S | 3% |
| Monday | 56°F | Partly Sunny | 3 mph E | 8% |
| Monday Night | 38°F | Slight Chance Rain Showers | 2 mph S | 23% |
| Tuesday | 60°F | Slight Chance Rain Showers | 3 mph SE | 23% |
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 (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.