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La Salle, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for La Salle, a town in Weld County, Colorado.

Overnight
33°F
Mostly Clear
Mostly clear, with a low around 33. West wind around 2 mph.

7-day forecast for La Salle

WhenTempForecastWindPrecip
Overnight 33°F Mostly Clear 2 mph W 0%
Wednesday 56°F Partly Sunny 2 to 6 mph NNW 3%
Wednesday Night 35°F Mostly Cloudy 2 to 6 mph NNW 3%
Thursday 59°F Sunny 3 mph SW 0%
Thursday Night 34°F Partly Cloudy 3 mph SSW 0%
Friday 59°F Mostly Sunny 2 to 6 mph N 5%
Friday Night 32°F Mostly Clear 3 mph NNW 5%
Saturday 60°F Sunny 3 mph N 1%
Saturday Night 32°F Mostly Clear 2 mph SW 0%
Sunday 64°F Sunny 3 mph SSE 0%
Sunday Night 35°F Mostly Clear 3 mph SW 0%
Monday 65°F Sunny 3 mph N 0%
Monday Night 35°F Partly Cloudy 3 mph NNE 0%
Tuesday 64°F Mostly Sunny 2 mph SSE 0%

Forecast source: National Weather Service (api.weather.gov) for La Salle (40.349, -104.706). Updated through the day.

Growing snapshot for La Salle

Last spring frost
May 2
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5b

More local growing data for La Salle: nearby ZIP 80620 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Greeley Unc, Co (2 mi from La Salle). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.