Weather forecast for 10 daysJohnstown, CO
Weather forecast for the weekend
Saturday Oct 17, 2026
- 75°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 155°
- Humidity: 43%
- UV index: 4
- Sunrise: 7:12 am MDT
- Sunset: 6:16 pm MDT
- details ▼
Today, conditions will remain bright with clear skies.
Temperature readings are forecasted to span from a high of a temperate 75.2°F to a low of a cold 37.4°F.
With a forecast of 75.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:12 am and sunset at 6:16 pm; the daylight will last for 11h and 4min.
Temperature readings are forecasted to span from a high of a temperate 75.2°F to a low of a cold 37.4°F.
With a forecast of 75.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:12 am and sunset at 6:16 pm; the daylight will last for 11h and 4min.
Sunday Oct 18, 2026
- 77°F
- 41°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphESE 112°
- Humidity: 31%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:15 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature is expected to hit a high of a warm 77°F during the day, dipping to a low of a wintry 41°F at night.
Tomorrow, the forecasted high of 77°F is more in line with September's average of 79.7°F than October's 63.3°F.
Sunrise will be at 7:14 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 1min.
Temperature is expected to hit a high of a warm 77°F during the day, dipping to a low of a wintry 41°F at night.
Tomorrow, the forecasted high of 77°F is more in line with September's average of 79.7°F than October's 63.3°F.
Sunrise will be at 7:14 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Maximum temperature: 77°C.
Coldest period: Sunday - Monday 63°C.
Coldest period: Sunday - Monday 63°C.
Chance of precipitation
Highest chance: Saturday 24.10. 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 75°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 155°
- Humidity: 43%
- UV index: 4
- Sunrise: 7:12 am MDT
- Sunset: 6:16 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 77°F
- 41°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphESE 112°
- Humidity: 31%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:15 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphESE 104°
- Humidity: 45%
- UV index: 4
- Sunrise: 7:15 am MDT
- Sunset: 6:14 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphESE 105°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:16 am MDT
- Sunset: 6:12 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSE 147°
- Humidity: 40%
- UV index: 4
- Sunrise: 7:17 am MDT
- Sunset: 6:11 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphESE 103°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:18 am MDT
- Sunset: 6:09 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 45°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 8mphS 177°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:19 am MDT
- Sunset: 6:08 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 66°F
- 39°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphENE 58°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:20 am MDT
- Sunset: 6:07 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphE 97°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:21 am MDT
- Sunset: 6:05 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 63°F
- 41°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphENE 76°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:22 am MDT
- Sunset: 6:04 pm MDT
- details ▼
In the days ahead, a combination of gloomy and sun-filled weather is anticipated.
Rain is not expected in Johnstown in the upcoming days.
Temperature differences will be noticeable throughout the forecast window. The temperature is expected to swing from 62.6°F up to 77°F, while the minimum temperature is forecast to range between 37.4°F and 48.2°F.
Sunday and Wednesday, with the highest temperature of 77°F, will be the warmest days in Johnstown, Colorado; the coldest days will be next Sunday and Monday, with a maximum of 62.6°F.
Rain is not expected in Johnstown in the upcoming days.
Temperature differences will be noticeable throughout the forecast window. The temperature is expected to swing from 62.6°F up to 77°F, while the minimum temperature is forecast to range between 37.4°F and 48.2°F.
Sunday and Wednesday, with the highest temperature of 77°F, will be the warmest days in Johnstown, Colorado; the coldest days will be next Sunday and Monday, with a maximum of 62.6°F.
Updated: Oct 17, 2026 @ 12:27:17 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Saturday, skies will stay clear and sunny.
Today, the highest temperature in Johnstown will be 75.2°F, while the lowest temperature will be 37.4°F.
Today, the highest temperature will be uncommonly higher than the average maximum of 63.3°F in October. Today, the lowest temperature will be in line with the average low temperature.
Today, the highest temperature will be uncommonly higher than the average maximum of 63.3°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Saturday, in Johnstown, sunrise will be at 7:12 am and sunset at 6:16 pm (MDT).
Today, the daylight will last for 11h and 4min.
On Sunday, open skies and radiant sunshine are expected.
Tomorrow, the highest temperature will be 77°F, while the lowest temperature will be 41°F.
Tomorrow, the highest temperature will be notably higher than the average maximum of 63.3°F in October. The lowest temperature will be in line with the average low of 40.3°F.
Tomorrow, the highest temperature will be notably higher than the average maximum of 63.3°F in October. The lowest temperature will be in line with the average low of 40.3°F.
On Sunday, in Johnstown, sunrise will be at 7:14 am and sunset at 6:15 pm (MDT).
In Johnstown, the length of the day tomorrow will be 11h and 1min.








