Weather forecast for 10 daysLyons, CO

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 73°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 135°
  • Humidity: 27%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
Today, in Lyons, expect bright skies and plenty of sunshine.
The peak daytime temperature will touch a temperate 73.4°F, while the nighttime temperature will descend to a chilly 44.6°F.
A forecast high of 73.4°F brings conditions more familiar to September's average than October's.
Sunrise was at 7:14 am and sunset will be at 6:18 pm; the daylight will last for 11h and 4min.

Sunday Oct 18, 2026

  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphESE 108°
  • Humidity: 26%
  • UV index: 4
  • Sunrise: 7:15 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
Tomorrow, on Sunday, a pleasant, mostly sunny outlook is in place.
Temperatures are set to span a considerable range, with a high of an agreeable 71.6°F and a low of an icy 41°F.
Tomorrow, temperatures will feel warmer with a high of 71.6°F, more typical for September than for October.
Sunrise will be at 7:15 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Warmest day: today 73°C.
Coldest day: Sunday 25.10. 59°C.

Chance of precipitation

Highest chance: Friday 40%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 73°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 135°
  • Humidity: 27%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphESE 108°
  • Humidity: 26%
  • UV index: 4
  • Sunrise: 7:15 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 5mphESE 115°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:16 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphESE 117°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:17 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSE 143°
  • Humidity: 42%
  • UV index: 4
  • Sunrise: 7:18 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 5mphSE 139°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:19 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 70°F
  • 45°F
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 8mphW 269°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:20 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 61°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 6mphE 81°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:21 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphE 79°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:22 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 64°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSE 160°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:24 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
For the next ten days, a combination of cloud-filled, bright and lightning-active weather is expected.
With a 40% probability, rainfall is expected only on Friday. The precipitation will be minimal at 0.04".
Expect a substantial fluctuation in daytime highs over the next several days. The maximum temperature will vary between 59°F and 73.4°F, while the minimum temperature is forecast to range between 39.2°F and 50°F.
Today is the warmest day, with a maximum temperature of 73.4°F; with the highest temperature of 59°F, next Sunday will be the coldest day.
Updated: Oct 17, 2026 @ 15:53:25 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Lyons, sunshine and minimal clouds are in the outlook.

Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 44.6°F.
The highest temperature today will be notably higher than the average maximum of 56.8°F in October. The lowest temperature will be also notably higher than the average low of 34.9°F.

On Saturday, in Lyons, sunrise was at 7:14 am and sunset will be at 6:18 pm (MDT).

In Lyons, today, there will be 11h and 4min of daylight.

On Sunday, in Lyons, sunshine will lead the day, with clouds making only brief appearances.

Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 41°F.
The maximum temperature tomorrow will be noticeably higher than the average highest temperature of 56.8°F in October. The lowest temperature will be a few degrees higher than the average low of 34.9°F.

On Sunday, in Lyons, sunrise will be at 7:15 am and sunset at 6:17 pm (MDT).

In Lyons, Colorado, the length of the day tomorrow will be 11h and 2min.