Weather forecast for 10 days
Merna, WY

Weather forecast for the weekend

Saturday, Jun 21.

Sunny
5:40 am

9:05 pm
MDT
Sunny
66°F / 30°F
  • Wind: 17mph WSW
  • Humidity: 30%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 9
On Saturday, in Merna, sunshine will likely continue with scattered clouds at most.
A substantial temperature range, peaking at a comfortable 66.2°F and bottoming out at a harsh 30.2°F, is expected.
This forecasted maximum temperature is expected to mirror June's typical high of 67.8°F.
Sunrise will be at 5:40 am and sunset at 9:05 pm; the daylight will last for 15h and 25min.

Sunday, Jun 22.

Mostly Sunny
5:41 am

9:05 pm
MDT
Mostly Sunny
59°F / 27°F
  • Wind: 13mph W
  • Humidity: 33%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Merna, expect plenty of sunshine and only a few scattered clouds.
Temperature fluctuations will be substantial, ranging from a peak of a moderate 59°F to a low of a freezing 26.6°F.
Expect temperatures to match May's average maximum of 55°F rather than June's 67.8°F.
Sunrise will be at 5:41 am and sunset at 9:05 pm; the daylight will last for 15h and 25min.

Frequently asked questions

What is the weather forecast for Merna for Saturday?
On Saturday, in Merna, expect bright skies and plenty of sunshine.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature in Merna, Wyoming, will be 66.2°F, while the lowest temperature will be 30.2°F.
What is the weather forecast for Merna for Sunday?
On Sunday, in Merna, predominantly sunny weather will make for pleasant outdoor conditions.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature in Merna will be 59°F, while the minimum temperature will be 26.6°F.
What is the weather forecast for Merna for the next ten days?
In Merna, a combination of gloomy and sunny weather is expected for the next ten days.
How warm will it be in the next ten days?
The maximum temperature will range between 59°F and 82.4°F, as the minimum temperature will vary between 26.6°F and 41°F.
What will be the warmest and the coldest days?
The warmest day will be Thursday, with a maximum of 82.4°F. With a maximum temperature of 59°F, Sunday will be the coldest day.

Long-term weather forecast

TueJun 17.
  • 68°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Wind: 17mph WNW
  • Humidity: 25%
  • UV index: 8
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:40 am 9:04 pm MDT
WedJun 18.
  • 75°F
  • 36°F
Sunny
Sunny
  • Wind: 13mph WNW
  • Humidity: 32%
  • UV index: 9
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:40 am 9:04 pm MDT
ThuJun 19.
  • 82°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Wind: 17mph S
  • Humidity: 28%
  • UV index: 9
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:40 am 9:05 pm MDT
FriJun 20.
  • 79°F
  • 39°F
Sunny
Sunny
  • Wind: 18mph SW
  • Humidity: 23%
  • UV index: 9
  • Precip. probability: 0%
  • Precipitation: 0"
  • 5:40 am 9:05 pm MDT
SatJun 21.
  • 66°F
  • 30°F
Sunny
Sunny
  • Wind: 17mph WSW
  • Humidity: 30%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:40 am 9:05 pm MDT
SunJun 22.
  • 59°F
  • 27°F
Mostly Sunny
Mostly Sunny
  • Wind: 13mph W
  • Humidity: 33%
  • UV index: 9
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:41 am 9:05 pm MDT
MonJun 23.
  • 66°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph WSW
  • Humidity: 31%
  • UV index: 9
  • Precip. probability: 7%
  • Precipitation: 0"
  • 5:41 am 9:05 pm MDT
TueJun 24.
  • 70°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph WSW
  • Humidity: 30%
  • UV index: 8
  • Precip. probability: 21%
  • Precipitation: 0"
  • 5:41 am 9:06 pm MDT
WedJun 25.
  • 70°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph W
  • Humidity: 33%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:42 am 9:06 pm MDT
ThuJun 26.
  • 73°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WNW
  • Humidity: 32%
  • UV index: 9
  • Precip. probability: 16%
  • Precipitation: 0"
  • 5:42 am 9:06 pm MDT
Looking ahead to the next ten days, a combination of cloudy and sun-filled weather is expected.
Rainfall is not predicted in Merna in the upcoming period.
Temperature fluctuation will be noticeable over the next several days. The temperature is expected to swing from 59°F up to 82.4°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 26.6°F to 41°F.
Thursday will be the warmest day, with a maximum temperature of 82.4°F; Sunday will be the coldest day, with the highest temperature of 59°F.
Updated: Jun 17, 2025 @ 18:45:33 UTC
Published by: Weather U.S. | About Us
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