Weather forecast for tomorrowJohnstown, CO
Weather forecast for tomorrow
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.
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 338°
- 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 328°
- 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: 3mphW 277°
- Humidity: 63%
- 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 261°
- Humidity: 65%
- 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 295°
- Humidity: 67%
- 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 131°
- 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 115°
- 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 110°
- Humidity: 16%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 75°F
- Feels like:75°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphESE 104°
- Humidity: 14%
- 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 102°
- 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: 6mphENE 56°
- Humidity: 34%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNE 24°
- Humidity: 44%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of mostly clear and cloudy weather is predicted.
The temperature difference between day and night will be significant, as the lowest temperature will be 37.4°F while the highest temperature will be 75.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature tomorrow will feel more consistent with September's average high of 79.7°F than the usual for October. The temperature low is forecasted to be comparable to the usual October value of 40.3°F.
The temperature difference between day and night will be significant, as the lowest temperature will be 37.4°F while the highest temperature will be 75.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature tomorrow will feel more consistent with September's average high of 79.7°F than the usual for October. The temperature low is forecasted to be comparable to the usual October value of 40.3°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 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.
