Weather forecast for todaySidney, MT

Weather forecast for today

Current condition 1:58 am MDT

  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 3mphNNE 20°
  • Humidity: 79%
  • Dewpoint: 28°F
  • Pressure: 30.28"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Sidney, currently, the air is crisp, and the sky remains beautifully clear.
The temperature is an icy 33.8°F. The current temperature is almost at the minimum-anticipated 37.4°F for today.

Monday Oct 19, 2026

  • 68°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 19mphSSE 149°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:21 am MDT
  • Sunset: 6:01 pm MDT
  • ▼
On Monday, in Sidney, sunny skies and pleasant visibility are expected.
A stark contrast will be observed between the day's peak temperature of a delightful 68°F and the night's low of a wintry 37.4°F.
Expect temperatures to match September's average maximum of 72.3°F rather than October's 55°F.
Sunrise will be at 7:21 am and sunset at 6:01 pm; the daylight will last for 10h and 39min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 5 pm 64°C.
Coldest period: 2 am - 5 am 34°C.

Chance of precipitation

Highest chance: 2 am - 5 am 2%.

Hourly weather forecast

  • 2 am
  • 34°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphE 83°
  • Humidity: 80%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 34°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphESE 109°
  • Humidity: 80%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSE 126°
  • Humidity: 72%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:21 am
  • 8 am
  • 37°F
  • Feels like:
    32°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSE 138°
  • Humidity: 71%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSE 149°
  • Humidity: 50%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSSE 154°
  • Humidity: 33%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphSSE 156°
  • Humidity: 26%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSSE 150°
  • Humidity: 26%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSE 144°
  • Humidity: 31%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:01 pm
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSE 151°
  • Humidity: 43%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSE 156°
  • Humidity: 54%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Sidney, sunny conditions are likely to prevail.
The temperature will be between the highest temperature of 66.2°F and the lowest temperature of 33.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The day’s peak temperature will reflect September's norm of 72.3°F more than October's 55°F. The lowest temperature is consistent with October's typical minimum of 39.9°F.
Updated: Oct 19, 2026 @ 07:58:08 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (1:58 am MDT) it is 33.8°F in Sidney.

On Monday, sunshine will likely continue with scattered clouds at most.

Today, the maximum temperature will be 68°F, while the minimum temperature will be 37.4°F.
The highest temperature will be significantly higher than the average maximum of 55°F in October. The lowest temperature will be in line with the average low of 39.9°F.

On Monday, in Sidney, sunrise will be at 7:21 am and sunset at 6:01 pm (MDT).

In Sidney, today, there will be 10h and 39min of daylight.