Weather forecast for tomorrow
Sidney, MT

Weather forecast for tomorrow

Friday, Jul 18.

Mostly Sunny
5:16 am

8:49 pm
MDT
Mostly Sunny
79°F / 55°F
  • Wind: 7mph NNE
  • Humidity: 61%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 8
Tomorrow, on Friday, July 18, expect brilliant sunshine under mostly clear skies.
Rainfall is not expected. Anticipated temperature values will span from a warm 78.8°F down to a refreshing 55.4°F.
Forecasts suggest the maximum temperature will be relatively lower than July's average of 84.2°F.
Sunrise will be at 5:16 am and sunset at 8:49 pm; tomorrow's daylight will last for 15h and 34min.

Frequently asked questions

What is the weather forecast for Sidney for tomorrow?
On Friday, predominantly sunny weather will make for pleasant outdoor conditions.
Will it rain tomorrow?
No, it will not rain tomorrow.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 78.8°F, while the lowest temperature will be 55.4°F.
The maximum temperature will be moderately lower than the average highest temperature of 84.2°F in July. The lowest temperature will be also moderately lower than the average low of 63°F.
What time are sunrise and sunset tomorrow?
On Friday, in Sidney, sunrise will be at 5:16 am and sunset at 8:49 pm (MDT).
How long will the day be tomorrow?
In Sidney, the length of the day tomorrow will be 15h and 34min.

Hourly weather forecast

12 am
  • 59°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph E
  • Pressure: 29.88"Hg
  • Humidity: 86%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 57°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph NE
  • Pressure: 29.88"Hg
  • Humidity: 89%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph NE
  • Pressure: 29.88"Hg
  • Humidity: 98%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:16 am
6 am
  • 55°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph NNE
  • Pressure: 29.91"Hg
  • Humidity: 97%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Wind: 5mph NNE
  • Pressure: 29.91"Hg
  • Humidity: 84%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Wind: 6mph NNE
  • Pressure: 29.91"Hg
  • Humidity: 69%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph N
  • Pressure: 29.91"Hg
  • Humidity: 57%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 75°F
  • Feels like:
    75°F
Mostly Sunny
Mostly Sunny
  • Wind: 7mph NNE
  • Pressure: 29.91"Hg
  • Humidity: 50%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NNE
  • Pressure: 29.88"Hg
  • Humidity: 46%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Wind: 7mph NE
  • Pressure: 29.88"Hg
  • Humidity: 47%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Wind: 6mph ENE
  • Pressure: 29.88"Hg
  • Humidity: 58%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:49 pm
10 pm
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Wind: 7mph ENE
  • Pressure: 29.91"Hg
  • Humidity: 70%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Friday, a combination of cloud-filled, clear and unstable weather is expected.
The temperature will vary between the lowest temperature of 53.6°F and the highest temperature of 77°F. The warmest part of the day will be from 3 pm to 6 pm.
The forecasted high will be relatively lower than the typical July maximum of 84.2°F. The minimum temperature will be more resembling June's average low of 56.3°F than July's typical value of 63°F.
In Sidney, July experiences the warmest weather, with highs averaging 84.2°F and lows around 63°F.
Updated: Jul 17, 2025 @ 21:39:09 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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