Weather forecast for 10 daysGrand Lake, CO

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 59°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphW 263°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:17 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
Today, on Sunday, October 18, a bright and mostly cloud-free sky is in store.
The temperature is predicted to oscillate between a maximum of a moderate 59°F and a minimum of a wintry 35.6°F.
Today, expect a warmer trend, with a high of 59°F more common in September.
Sunrise will be at 7:17 am and sunset at 6:19 pm; the daylight will last for 11h and 2min.

10-day overview

Daily temperatures

Maximum temperature: 59°C.
Coldest day: Saturday 48°C.

Chance of precipitation

Highest chance: Thursday 49%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 59°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphW 263°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:17 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 57°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphWSW 250°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:18 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 57°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphW 267°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:19 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphWSW 240°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:20 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 57°F
  • 41°F
PM Showers
PM Showers
  • Precip. probability: 49%
  • Precipitation: 0.16"
  • Wind: 6mphSW 226°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:21 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 50°F
  • 32°F
Showers
Showers
  • Precip. probability: 41%
  • Precipitation: 0.08"
  • Wind: 10mphWSW 244°
  • Humidity: 71%
  • UV index: 4
  • Sunrise: 7:23 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 48°F
  • 30°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphWSW 241°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:24 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 52°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSW 236°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:25 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 6mphSW 219°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:26 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 9mphWSW 239°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:27 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
For the next ten days, a combination of dry and sunny, cloudy and showery weather is anticipated.
Rainfall is expected on Thursday and Friday.
In the upcoming period, the highest temperature will vary between 48.2°F and 59°F, while nighttime temperatures are expected to vary from 30.2°F to 41°F.
Sunday and Wednesday, with the highest temperature of 59°F, will be the warmest days; the coldest day will be Saturday, with a maximum of 48.2°F.
Updated: Oct 18, 2026 @ 12:32:43 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Grand Lake, open skies and radiant sunshine are expected.

Today, the highest temperature will be 59°F, while the lowest temperature will be 35.6°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 46.8°F in October. The lowest temperature will be also significantly higher than the average low of 24.3°F.

On Sunday, in Grand Lake, sunrise will be at 7:17 am and sunset at 6:19 pm (MDT).

In Grand Lake, the length of the day today will be 11h and 2min.