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 109°
- Humidity: 32%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:15 pm MDT
- details ▼
On Sunday, October 18, a partly cloudy sky is also anticipated.
Temperature values will vary noticeably, extending from a temperate 75.2°F to a cold 39.2°F.
The warmer conditions bring a maximum of 75.2°F, more representative of September than October.
Sunrise will be at 7:14 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 1min.
Temperature values will vary noticeably, extending from a temperate 75.2°F to a cold 39.2°F.
The warmer conditions bring a maximum of 75.2°F, more representative of September than 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 period: Saturday - Sunday 64°C.
Coldest period: Saturday - Sunday 64°C.
Chance of precipitation
Highest chance: Saturday 24.10. 19%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNW 309°
- Humidity: 63%
- 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 109°
- Humidity: 32%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:15 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphESE 110°
- Humidity: 48%
- 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 96°
- Humidity: 46%
- 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 152°
- Humidity: 42%
- UV index: 4
- Sunrise: 7:17 am MDT
- Sunset: 6:11 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 52°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphENE 73°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:18 am MDT
- Sunset: 6:09 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 43°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 9mphSSW 196°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:19 am MDT
- Sunset: 6:08 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 64°F
- 37°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 8mphNE 53°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:20 am MDT
- Sunset: 6:07 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 64°F
- 39°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphE 100°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:21 am MDT
- Sunset: 6:05 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 41°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphE 87°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:22 am MDT
- Sunset: 6:04 pm MDT
- details ▼
Over the next ten days, primarily cloud-filled and occasionally clear weather is expected.
Rainfall is not anticipated in Johnstown in the upcoming period.
Noticeable swings in temperature are expected across the forecast period. Highs will range from 64.4°F to 77°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 37.4°F up to 51.8°F.
Wednesday is expected to be the warmest, reaching up to 77°F; next Saturday and Sunday, with the highest temperature of 64.4°F, will be the coldest days in Johnstown.
Rainfall is not anticipated in Johnstown in the upcoming period.
Noticeable swings in temperature are expected across the forecast period. Highs will range from 64.4°F to 77°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 37.4°F up to 51.8°F.
Wednesday is expected to be the warmest, reaching up to 77°F; next Saturday and Sunday, with the highest temperature of 64.4°F, will be the coldest days in Johnstown.
Updated: Oct 18, 2026 @ 05:08:51 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, sunny moments will alternate with patchy cloud cover.
Tomorrow, the maximum temperature will be 75.2°F, while the minimum temperature will be 39.2°F.
The highest temperature will be notably higher than the average maximum of 63.3°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature will be notably higher than the average maximum of 63.3°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
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.
