Weather
La Crosse, WI Weather This Week: Highs Near 70° by Wednesday Oct 21
La Crosse, WI – Residents across western Wisconsin can expect a stretch of pleasant fall&…
By Elliot Vaughn · 2026-10-18T10:52:56.560Z
La Crosse, WI – Residents across western Wisconsin can expect a stretch of pleasant fall weather this week, with mostly sunny skies, dry conditions and afternoon temperatures climbing toward 70 degrees by Wednesday, October 21.
According to the National Weather Service in La Crosse, temperatures will remain slightly above seasonal averages through the middle of the week, offering several days of mild afternoon conditions despite chilly overnight temperatures.
Temperatures Climb Toward 70 Degrees Wednesday Sunday, October 18, will bring partly to mostly sunny skies, with afternoon highs ranging from 62 to 66 degrees across the forecast area.
Overnight temperatures will fall between 31 and 43 degrees, creating a noticeable difference between daytime warmth and early morning conditions.
Monday, October 19, will continue the mild pattern, with highs again reaching 62 to 66 degrees. Overnight lows are expected to range from 33 to 43 degrees.
By Tuesday, October 20, temperatures will climb slightly higher, reaching 64 to 68 degrees under mostly sunny skies.
Tuesday night's temperatures could drop between 32 and 43 degrees, keeping mornings chilly despite the warming afternoons.
Wednesday Could Bring the Warmest Weather The warming trend is expected to peak Wednesday, October 21, when afternoon highs reach between 66 and 70 degrees.
Overnight lows will also become somewhat milder, ranging from 36 to 48 degrees.
The extended stretch of dry weather should provide favorable conditions for outdoor activities, fall cleanup and travel throughout western Wisconsin.
However, residents heading outdoors early in the morning should prepare for temperatures in the 30s, particularly in colder rural and sheltered locations.
No significant precipitation is highlighted in the National Weather Service outlook through Wednesday.
The forecast represents a relatively mild stretch of October weather, with afternoon temperatures running slightly above normal for this time of year.
Residents can find updated local forecasts at weather.gov/arx.