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
53°F
Mostly Cloudy
Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. West wind around 2 mph.
7-day forecast for La Salle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Cloudy | 2 mph W | 2% |
| Saturday | 77°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph NW | 74% |
| Saturday Night | 49°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph E | 48% |
| Sunday | 71°F | Chance Rain Showers | 2 to 7 mph NE | 33% |
| Sunday Night | 47°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph ENE | 30% |
| Monday | 72°F | Mostly Sunny | 1 to 9 mph NNE | 2% |
| Monday Night | 48°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 10 mph SE | 26% |
| Tuesday | 76°F | Sunny | 2 to 9 mph SSW | 4% |
| Tuesday Night | 51°F | Partly Cloudy | 5 to 10 mph ESE | 14% |
| Wednesday | 79°F | Mostly Sunny | 6 mph ENE | 6% |
| Wednesday Night | 51°F | Partly Cloudy | 2 to 6 mph SSE | 13% |
| Thursday | 80°F | Mostly Sunny | 2 to 8 mph ENE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 2 to 8 mph SSW | 11% |
| Friday | 81°F | Mostly Sunny | 2 to 10 mph SSE | 10% |
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 Sep 19, 2026.