Weather forecast for 10 daysJamestown, CO

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphW 271°
  • Humidity: 19%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:19 pm MDT
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On Saturday, October 17, sunshine is expected with little to no cloud cover.
Predicted temperature values will span from a delightful 69.8°F down to a chilly 44.6°F.
Today, the maximum temperature will be higher and more reflective of September's average high of 72.3°F than October's of 57.2°F.
Sunrise was at 7:14 am and sunset will be at 6:19 pm; the daylight will last for 11h and 5min.

Sunday Oct 18, 2026

  • 64°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphENE 70°
  • Humidity: 26%
  • UV index: 4
  • Sunrise: 7:15 am MDT
  • Sunset: 6:17 pm MDT
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On Sunday, October 18, expect plenty of sunshine and only a few scattered clouds.
The temperature is forecasted to vary between an enjoyable 64.4°F and a wintry 39.2°F.
The predicted high for tomorrow is predicted to be slightly warmer than the typical October maximum of 57.2°F.
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 70°C.
Coldest period: Saturday - Sunday 52°C.

Chance of precipitation

Highest chance: Friday 41%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphW 271°
  • Humidity: 19%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphENE 70°
  • Humidity: 26%
  • UV index: 4
  • Sunrise: 7:15 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphE 98°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:16 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNNW 338°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:17 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 171°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:18 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 64°F
  • 46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 5mphSSW 208°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:19 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 61°F
  • 39°F
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 41%
  • Precipitation: 0.08"
  • Wind: 9mphW 265°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:21 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 6mphNNW 331°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:22 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 52°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphE 83°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:23 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 240°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:24 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
Models point to a combination of cloudy, dry and sunny and unstable weather is predicted.
With a 41% probability, rainfall is predicted only for Friday. The precipitation will be minimal at 0.08".
Noticeable swings in temperature are expected over the next several days. The maximum temperature will vary between 51.8°F and 69.8°F, while the lowest temperature will be between 37.4°F and 46.4°F.
The warmest day is today, with a maximum temperature of 69.8°F; with a maximum temperature of 51.8°F, next Saturday and Sunday will be the coldest days.
Updated: Oct 17, 2026 @ 17:01:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, the weather remains calm, bright, and sunny.

Today, the highest temperature will be 69.8°F, while the lowest temperature will be 44.6°F.
The highest temperature today will be notably higher than the average maximum of 57.2°F in October. The lowest temperature today will be also significantly higher than the average low of 35.2°F.

On Saturday, in Jamestown, sunrise was at 7:14 am and sunset will be at 6:19 pm (MDT).

Today, the daylight will last for 11h and 5min.

On Sunday, in Jamestown, expect plenty of sunshine and only a few scattered clouds.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 39.2°F.
The highest temperature tomorrow will be moderately higher than the average maximum temperature in October. The lowest temperature will be also moderately higher than the average low of 35.2°F.

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

In Jamestown, tomorrow, there will be 11h and 2min of daylight.