Arvada Weather Forecast
- 41
- 68
Mostly Sunny
- 37
- 64
Decreasing Clouds
- 34
- 65
Chance Rain/Snow
- 38
- 51
Partly Sunny
- 43
- 67
Partly Sunny
- 36
- 62
Partly Sunny
- 37
- 56
Partly Sunny
Today 15 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Mostly sunny. Highs 62 to 68.
Tonight 15 Dec Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
Mostly clear. Lows 35 to 43.
Arvada Temperature Statistics
December Temperature
Broomfield / Jeffco (6.8 miles)
Lowest 1 December, 2025
14 °FAverage December
40.4 °FHighest 11 December, 2025
66.2 °F
Climate (2020–Present)
Broomfield / Jeffco (6.8 miles)
Average Low 2020–2025
41.4 °FAverage 2020–2025
50.8 °FAverage High 2020–2025
64.9 °F