Arvada, CO Weather & Growing Conditions
This Afternoon
47°F
Slight Chance Rain And Snow Showers
A slight chance of rain and snow showers after 5pm. Partly sunny. High near 47, with temperatures falling to around 40 in the afternoon. Northeast wind around 7 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Slight Chance Rain And Snow Showers | 7 mph NE | 18% |
| Tonight | 30°F | Slight Chance Rain And Snow Showers then Mostly Cloudy | 5 mph NNW | 18% |
| Thursday | 50°F | Sunny | 0 to 6 mph ESE | 0% |
| Thursday Night | 32°F | Mostly Cloudy | 3 mph WSW | 0% |
| Friday | 50°F | Slight Chance Rain And Snow Showers | 1 to 6 mph N | 20% |
| Friday Night | 31°F | Mostly Clear | 2 to 7 mph WNW | 13% |
| Saturday | 53°F | Sunny | 0 to 10 mph NNE | 0% |
| Saturday Night | 32°F | Mostly Clear | 2 to 7 mph W | 0% |
| Sunday | 59°F | Sunny | 1 to 12 mph S | 0% |
| Sunday Night | 38°F | Clear | 6 to 14 mph W | 0% |
| Monday | 61°F | Sunny | 0 to 14 mph NNE | 0% |
| Monday Night | 37°F | Mostly Clear | 0 to 7 mph W | 0% |
| Tuesday | 57°F | Mostly Sunny | 1 to 7 mph NW | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 2 to 8 mph W | 1% |
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
5b
Explore more for Arvada, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Ralston Rsvr, Co (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.