Arvada, CO Weather & Growing Conditions
Today
69°F
Patchy Smoke
Patchy smoke before noon, then patchy smoke and a chance of showers and thunderstorms. Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. East wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Patchy Smoke | 7 mph E | 29% |
| Tonight | 52°F | Patchy Smoke | 2 to 7 mph NNE | 15% |
| Wednesday | 76°F | Sunny | 5 to 8 mph NNE | 0% |
| Wednesday Night | 54°F | Mostly Clear | 3 to 7 mph SSW | 1% |
| Thursday | 84°F | Sunny | 7 mph NNW | 2% |
| Thursday Night | 57°F | Clear | 3 to 8 mph WNW | 2% |
| Friday | 86°F | Sunny | 8 mph N | 0% |
| Friday Night | 61°F | Mostly Clear | 5 to 13 mph SSW | 0% |
| Saturday | 88°F | Sunny | 6 to 13 mph N | 4% |
| Saturday Night | 62°F | Mostly Clear | 6 to 9 mph NW | 1% |
| Sunday | 87°F | Sunny | 8 mph N | 13% |
| Sunday Night | 63°F | Partly Cloudy | 6 to 10 mph WNW | 5% |
| Monday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 10 mph N | 38% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 9 mph WNW | 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
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 Aug 4, 2026.