Weather forecast for tomorrowJohnstown, CO
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 77°F
- 39°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphESE 119°
- Humidity: 31%
- UV index: 4
- Sunrise: 7:14 am MDT
- Sunset: 6:15 pm MDT
- details ▼
On Sunday, October 18, clear skies with only minor cloud interruptions are in the outlook.
Temperature values will vary noticeably, extending from a warm 77°F to a cold 39.2°F.
The warmer conditions bring a maximum of 77°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 warm 77°F to a cold 39.2°F.
The warmer conditions bring a maximum of 77°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.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 75°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 2%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNNW 336°
- Humidity: 57%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNW 327°
- Humidity: 62%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphW 278°
- Humidity: 67%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphW 262°
- Humidity: 63%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphWNW 287°
- Humidity: 66%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSE 140°
- Humidity: 38%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphESE 114°
- Humidity: 22%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 73°F
- Feels like:73°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphESE 108°
- Humidity: 16%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 75°F
- Feels like:75°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphESE 107°
- Humidity: 15%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphESE 115°
- Humidity: 22%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:15 pm
- 8 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNE 52°
- Humidity: 34%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNE 23°
- Humidity: 43%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of bright and gloomy weather is forecasted.
The temperature variation throughout the day will be significant, as the minimum temperature will be 37.4°F while the maximum temperature will be 75.2°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The expected low will be comparable to the average minimum in October, which is 40.3°F.
The temperature variation throughout the day will be significant, as the minimum temperature will be 37.4°F while the maximum temperature will be 75.2°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The expected low will be comparable to the average minimum in October, which is 40.3°F.
Updated: Oct 17, 2026 @ 13:51:50 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, in Johnstown, predominantly sunny weather will make for pleasant outdoor conditions.
Tomorrow, the maximum temperature will be 77°F, while the minimum temperature will be 39.2°F.
Tomorrow, the maximum temperature will be significantly higher than the average highest temperature of 63.3°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
Tomorrow, the maximum temperature will be significantly higher than the average highest temperature of 63.3°F in October. Tomorrow, the lowest temperature 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).
Tomorrow, the daylight will last for 11h and 1min.
