Weather forecast for todayMerna, WY

Weather forecast for today

Current condition 12:11 am MDT

  • 43°F
  • Feels like:
    43°F
Cloudy
Cloudy
  • Precipitation: 0"
  • Wind: 1mphNNW 340°
  • Humidity: 69%
  • Dewpoint: 34°F
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Merna, at the moment, the weather is predominantly cloudy, casting a gray tone over the city.
The temperature is a frosty 42.8°F. The current temperature is relatively far from today's maximum-forecasted 57.2°F.

Tuesday Oct 20, 2026

  • 57°F
  • 32°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 5mphWSW 254°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
Today, sunshine will be limited due to heavy cloud coverage.
Temperatures will oscillate between a moderate 57.2°F at their highest and an icy 32°F at their lowest.
The temperature is expected to be moderately higher than the standard October peak of 49.1°F.
Sunrise will be at 7:41 am and sunset at 6:30 pm; the daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 55°C.
Coldest hour: 7 am 32°C.

Chance of precipitation

Highest chance: 4 pm 24%.

Hourly weather forecast

  • 2 am
  • 39°F
  • Feels like:
    39°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNW 334°
  • Humidity: 75%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 34°F
  • Feels like:
    30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphNW 323°
  • Humidity: 87%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 32°F
  • Feels like:
    28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphNW 322°
  • Humidity: 90%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:41 am
  • 8 am
  • 32°F
  • Feels like:
    28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphNW 320°
  • Humidity: 92%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 2mphNE 36°
  • Humidity: 68%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 52°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 3mphESE 120°
  • Humidity: 53%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphSSE 156°
  • Humidity: 47%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphSW 229°
  • Humidity: 49%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphW 281°
  • Humidity: 57%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:30 pm
  • 8 pm
  • 45°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNW 307°
  • Humidity: 78%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 39°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNW 319°
  • Humidity: 90%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, overcast weather is expected.
The temperature will vary between the highest temperature of 55.4°F and the lowest temperature of 32°F. The warmest part of the day will be from 2 pm to 4 pm.
The high will be moderately higher than the normal maximum of 49.1°F for October. The night temperature will be also alike with the standard October low of 30.7°F.
Updated: Oct 20, 2026 @ 06:11:36 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 12:11 am MDT, the temperature is 42.8°F.

Today, the weather will be mostly cloudy.

Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 32°F.
The highest temperature will be moderately higher than the average maximum of 49.1°F in October. The lowest temperature will be in line with the average low of 30.7°F.

On Tuesday, in Merna, sunrise will be at 7:41 am and sunset at 6:30 pm (MDT).

Today, the daylight will last for 10h and 50min.