Weather forecast for tomorrowMerna, WY
Weather forecast for tomorrow
Monday Oct 19, 2026
- 57°F
- 30°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSE 136°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:40 am MDT
- Sunset: 6:32 pm MDT
- details ▼
Tomorrow, in Merna, open skies and radiant sunshine are also expected.
A substantial temperature fluctuation from a moderate 57.2°F at its peak to a harsh 30.2°F at its lowest point is anticipated.
The high temperature will be slightly warmer than the typical October level of 49.1°F.
Sunrise will be at 7:40 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 52min.
A substantial temperature fluctuation from a moderate 57.2°F at its peak to a harsh 30.2°F at its lowest point is anticipated.
The high temperature will be slightly warmer than the typical October level of 49.1°F.
Sunrise will be at 7:40 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 52min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 55°C.
Coldest hour: 6 am 27°C.
Coldest hour: 6 am 27°C.
Chance of precipitation
Highest chance: 1%.
Hourly weather forecast
- 12 am
- 34°F
- Feels like:30°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNW 313°
- Humidity: 69%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 30°F
- Feels like:30°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNW 316°
- Humidity: 76%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 28°F
- Feels like:28°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNNW 332°
- Humidity: 79%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 27°F
- Feels like:27°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNNW 332°
- Humidity: 81%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:40 am
- 8 am
- 27°F
- Feels like:27°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNNW 337°
- Humidity: 83%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 39°F
- Feels like:39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 116°
- Humidity: 64%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 144°
- Humidity: 46%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 54°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 144°
- Humidity: 38%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSE 152°
- Humidity: 36%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 135°
- Humidity: 40%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:32 pm
- 8 pm
- 45°F
- Feels like:43°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphESE 118°
- Humidity: 58%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 39°F
- Feels like:39°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphN 350°
- Humidity: 71%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily clear and occasionally cloudy weather is anticipated.
The temperature will be between a minimum of 26.6°F and a maximum of 57.2°F. The warmest part of the day will be around 4 pm.
The temperature is expected to be slightly warmer than the average peak in October, which is 49.1°F. The minimum temperature will be also resembling October's average low of 30.7°F.
The temperature will be between a minimum of 26.6°F and a maximum of 57.2°F. The warmest part of the day will be around 4 pm.
The temperature is expected to be slightly warmer than the average peak in October, which is 49.1°F. The minimum temperature will be also resembling October's average low of 30.7°F.
Updated: Oct 18, 2026 @ 06:09:36 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 Monday, sun-filled skies will remain for most of the day.
Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 30.2°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 49.1°F in October. The lowest temperature will be in line with the average low of 30.7°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 49.1°F in October. The lowest temperature will be in line with the average low of 30.7°F.
On Monday, in Merna, sunrise will be at 7:40 am and sunset at 6:32 pm (MDT).
In Merna, the length of the day tomorrow will be 10h and 52min.





