Arvada Weather Forecast
- 49
- 80
Rain Showers Likely
- 50
- 71
Chance Thunderstorms
- 47
- 70
Slight Chance Rain Showers
- 46
- 74
Mostly Sunny
- 47
- 77
Partly Sunny
- 49
- 81
Partly Sunny
Today 15 Sep Sheridan Foothills
Increasing Clouds. Slight chance of rain Showers late in the morning. Chance of rain Showers and isolated Thunderstorms early in the Afternoon, then rain Showers likely and scattered Thunderstorms late in the afternoon. Highs in the mid 70s. Northwest Winds 5 to 15 Mph. Chance of precipitation 60 percent.
Tonight 15 Sep Sheridan Foothills
Rain Showers likely and isolated Thunderstorms early in the Evening, then chance of rain Showers in the late evening and overnight. Areas of fog overnight. Lows in the lower 40s. West Winds 5 to 10 Mph. Chance of precipitation 60 percent.
Arvada Temperature Statistics
September Temperature
Buffalo - Johnson County Airport (34.2 miles)
Lowest 6 September, 2025
43 °FAverage September
65 °FHighest 10 September, 2025
87.1 °F
Climate (2020–Present)
Buffalo - Johnson County Airport (34.2 miles)
Average Low 2020–2025
36.5 °FAverage 2020–2025
47.6 °FAverage High 2020–2025
58.8 °F