Weather forecast for 10 daysJohnstown, CO
Weather forecast for the weekend
Sunday Oct 18, 2026
- 75°F
- 39°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphESE 108°
- Humidity: 32%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:15 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, partly cloudy skies will persist, making for a mix of sun and clouds.
A daytime temperature reaching up to a warm 75.2°F will sharply contrast with a nighttime low of an icy 39.2°F.
Tomorrow, the temperature forecast of 75.2°F will better match September's climate average than that of October.
Sunrise will be at 7:14 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 1min.
A daytime temperature reaching up to a warm 75.2°F will sharply contrast with a nighttime low of an icy 39.2°F.
Tomorrow, the temperature forecast of 75.2°F will better match September's climate average than that of October.
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
Warmest day: Wednesday 77°C.
Coldest day: Sunday 25.10. 64°C.
Coldest day: Sunday 25.10. 64°C.
Chance of precipitation
Highest chance: Friday 18%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphNNW 339°
- Humidity: 48%
- UV index: 0
- Sunrise: 7:12 am MDT
- Sunset: 6:16 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 75°F
- 39°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphESE 108°
- Humidity: 32%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:15 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 37°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphESE 109°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:15 am MDT
- Sunset: 6:14 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphE 98°
- Humidity: 45%
- UV index: 4
- Sunrise: 7:16 am MDT
- Sunset: 6:12 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 46°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSE 153°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:17 am MDT
- Sunset: 6:11 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 50°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphENE 72°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:18 am MDT
- Sunset: 6:09 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 45°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 9mphS 185°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:19 am MDT
- Sunset: 6:08 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 8mphNE 48°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:20 am MDT
- Sunset: 6:07 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphE 88°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:21 am MDT
- Sunset: 6:05 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphESE 102°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:22 am MDT
- Sunset: 6:04 pm MDT
- details ▼
Over the next ten days, conditions will reflect that a combination of cloudy and sunny weather is forecasted.
Rainfall is not expected in Johnstown in the upcoming period.
Temperature fluctuation will be noticeable over the next several days. Highs will range from 64.4°F to 77°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 35.6°F up to 50°F.
Expect the warmest day on Wednesday, with temperatures peaking at 77°F; with the highest temperature of 64.4°F, next Sunday will be the coldest day.
Rainfall is not expected in Johnstown in the upcoming period.
Temperature fluctuation will be noticeable over the next several days. Highs will range from 64.4°F to 77°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 35.6°F up to 50°F.
Expect the warmest day on Wednesday, with temperatures peaking at 77°F; with the highest temperature of 64.4°F, next Sunday will be the coldest day.
Updated: Oct 17, 2026 @ 22:36:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, the sky will feature a blend of clouds and sunshine.
Tomorrow, the highest temperature will be 75.2°F, while the lowest temperature will be 39.2°F.
The highest temperature tomorrow will be significantly 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.
The highest temperature tomorrow will be significantly 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.
