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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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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Severance
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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.