Weather forecast for 10 daysArvada, WY

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 79°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 173°
  • Humidity: 21%
  • UV index: 3
  • Sunrise: 7:22 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
Today, in Arvada, a bright and mostly cloud-free sky is in store.
Day and night temperatures will sharply contrast, oscillating between a moderately hot 78.8°F and an icy 41°F.
Today, the anticipated high will be higher and much closer to September's average high of 73.8°F than October's 56.3°F.
Sunrise was at 7:22 am and sunset will be at 6:16 pm; the daylight will last for 10h and 54min.

Sunday Oct 18, 2026

  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphNNE 29°
  • Humidity: 36%
  • UV index: 3
  • Sunrise: 7:24 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
On Sunday, October 18, the weather remains calm, bright, and sunny.
The anticipated temperature range extends from a high of a pleasant 68°F to a low of a frosty 42.8°F.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:24 am and sunset at 6:15 pm; tomorrow's daylight will last for 10h and 51min.

10-day overview

Daily temperatures

Warmest day: today 79°C.
Coldest day: Saturday 24.10. 54°C.

Chance of precipitation

Highest chance: Friday 38%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 79°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 173°
  • Humidity: 21%
  • UV index: 3
  • Sunrise: 7:22 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphNNE 29°
  • Humidity: 36%
  • UV index: 3
  • Sunrise: 7:24 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 73°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 18mphSSE 165°
  • Humidity: 38%
  • UV index: 3
  • Sunrise: 7:25 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphNW 307°
  • Humidity: 37%
  • UV index: 3
  • Sunrise: 7:26 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphSSE 154°
  • Humidity: 43%
  • UV index: 3
  • Sunrise: 7:28 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphS 190°
  • Humidity: 43%
  • UV index: 3
  • Sunrise: 7:29 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 41°F
PM Showers
PM Showers
  • Precip. probability: 38%
  • Precipitation: 0.2"
  • Wind: 17mphSSW 210°
  • Humidity: 43%
  • UV index: 2
  • Sunrise: 7:30 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 39°F
AM Showers
AM Showers
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Wind: 14mphNNW 337°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:31 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 14mphS 191°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:33 am MDT
  • Sunset: 6:03 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphW 276°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:34 am MDT
  • Sunset: 6:02 pm MDT
  • ▼
sun-filled, gloomy and showery weather is anticipated.
Rainfall is anticipated on Friday and next Saturday.
Expect a substantial fluctuation in daytime highs over the next several days. Maximum temperatures are forecasted between 53.6°F and 78.8°F, while the fluctuation in night temperatures will be also significant, as temperatures overnight will fluctuate from 37.4°F up to 55.4°F.
Today is the warmest day, with a maximum temperature of 78.8°F; with the highest temperature of 53.6°F, next Saturday will be the coldest day.
Updated: Oct 17, 2026 @ 17:04:24 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a glowing sky and minimal clouds are expected.

Today, the highest temperature will be 78.8°F, while the lowest temperature will be 41°F.
Today, the highest temperature will be notably higher than the average maximum of 56.3°F in October. The lowest temperature will be in line with the average low of 39.6°F.

On Saturday, in Arvada, sunrise was at 7:22 am and sunset will be at 6:16 pm (MDT).

Today, the daylight will last for 10h and 54min.

On Sunday, in Arvada, sunny and dry conditions are anticipated.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 42.8°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 39.6°F.

On Sunday, in Arvada, sunrise will be at 7:24 am and sunset at 6:15 pm (MDT).

In Arvada, the length of the day tomorrow will be 10h and 51min.