Weather forecast for tomorrowArvada, CO
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 73°F
- 46°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 67°
- Humidity: 22%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:16 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, sunlight and clouds will take turns dominating the sky.
A wide temperature range is predicted, from a high of a temperate 73.4°F to a low of a chilly 46.4°F.
Expect temperatures to match September's average maximum of 76.6°F rather than October's 61.3°F.
Sunrise will be at 7:14 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 2min.
A wide temperature range is predicted, from a high of a temperate 73.4°F to a low of a chilly 46.4°F.
Expect temperatures to match September's average maximum of 76.6°F rather than October's 61.3°F.
Sunrise will be at 7:14 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 2min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 73°C.
Coldest hour: 6 am 50°C.
Coldest hour: 6 am 50°C.
Chance of precipitation
Highest chance: 12 am - 9 pm 0%.
Hourly weather forecast
- 12 am
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphW 260°
- Humidity: 32%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphW 266°
- Humidity: 34%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphW 266°
- Humidity: 36%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphW 261°
- Humidity: 36%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphW 262°
- Humidity: 37%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 63°F
- Feels like:63°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 135°
- Humidity: 25%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 70°F
- Feels like:70°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphENE 69°
- Humidity: 18%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 69°
- Humidity: 14%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 72°
- Humidity: 14%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNE 45°
- Humidity: 17%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNW 345°
- Humidity: 26%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 59°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 346°
- Humidity: 32%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloud-filled and dry and sunny weather is predicted.
The temperature will vary between a minimum of 50°F and a maximum of 73.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The minimum temperature tomorrow will be also more consistent with September's average low of 51.4°F than October's of 38.3°F.
The temperature will vary between a minimum of 50°F and a maximum of 73.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The minimum temperature tomorrow will be also more consistent with September's average low of 51.4°F than October's of 38.3°F.
Updated: Oct 17, 2026 @ 18:17:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, clouds and sunshine will create a dynamic sky throughout the day.
Tomorrow, the highest temperature will be 73.4°F, while the lowest temperature will be 46.4°F.
The maximum temperature will be noticeably higher than the average highest temperature of 61.3°F in October. Tomorrow, the lowest temperature will be a few degrees higher than the average low temperature.
The maximum temperature will be noticeably higher than the average highest temperature of 61.3°F in October. Tomorrow, the lowest temperature will be a few degrees higher than the average low temperature.
On Sunday, in Arvada, sunrise will be at 7:14 am and sunset at 6:16 pm (MDT).
In Arvada, tomorrow, there will be 11h and 2min of daylight.





