Arvada, CO Weather & Growing Conditions
Overnight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. West northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Partly Cloudy | 5 mph WNW | 2% |
| Saturday | 73°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph NNW | 58% |
| Saturday Night | 49°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph W | 31% |
| Sunday | 68°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph N | 29% |
| Sunday Night | 48°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph NNW | 28% |
| Monday | 70°F | Sunny | 1 to 8 mph ESE | 3% |
| Monday Night | 49°F | Partly Cloudy | 2 to 7 mph NW | 12% |
| Tuesday | 73°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph S | 19% |
| Tuesday Night | 51°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SSW | 22% |
| Wednesday | 74°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph N | 20% |
| Wednesday Night | 51°F | Mostly Cloudy | 6 mph SW | 13% |
| Thursday | 76°F | Mostly Sunny | 7 mph S | 12% |
| Thursday Night | 53°F | Partly Cloudy | 2 to 6 mph SSW | 14% |
| Friday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph S | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arvada, CO
Last spring frost
May 3
First fall frost
Oct 14
Growing season
161 days
Hardiness zone
6a
Explore more for Arvada, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Ralston Rsvr, Co (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.