LaCrosse, WA Weather & Growing Conditions
Today
89°F
Patchy Smoke then Haze
Patchy smoke before 10am, then haze and areas of smoke. Sunny, with a high near 89. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Patchy Smoke then Haze | 5 mph NE | 0% |
| Tonight | 52°F | Haze | 3 mph NE | 0% |
| Wednesday | 95°F | Patchy Smoke then Sunny | 5 mph E | 0% |
| Wednesday Night | 55°F | Patchy Smoke then Clear | 3 mph NE | 0% |
| Thursday | 99°F | Sunny | 5 mph S | 0% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SW | 0% |
| Friday | 98°F | Sunny | 5 to 12 mph SW | 0% |
| Friday Night | 60°F | Clear | 5 to 9 mph SW | 0% |
| Saturday | 94°F | Sunny | 5 to 9 mph SW | 0% |
| Saturday Night | 59°F | Mostly Clear | 5 to 9 mph SW | 0% |
| Sunday | 89°F | Sunny | 7 to 10 mph SW | 0% |
| Sunday Night | 56°F | Mostly Clear | 7 mph SW | 0% |
| Monday | 88°F | Sunny | 8 mph SW | 0% |
| Monday Night | 55°F | Mostly Clear | 6 mph SW | 0% |
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 Aug 4, 2026.