Weather forecast for todayGrantsdale, MT

Weather forecast for today

Current condition 12:57 pm MDT

  • 68°F
  • Feels like:
    68°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 10mphS 180°
  • Humidity: 26%
  • Dewpoint: 32°F
  • Pressure: 29.98"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
At the moment, in Grantsdale, sunny and fair weather dominates, perfect for outdoor plans.
The temperature is an agreeable 68°F. The current temperature is nearly at the maximum expected 71.6°F for today.

Saturday Oct 17, 2026

  • 72°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphWSW 239°
  • Humidity: 28%
  • UV index: 3
  • Sunrise: 7:56 am MDT
  • Sunset: 6:46 pm MDT
  • ▼
Today, on Saturday, October 17, partly cloudy skies will persist, making for a mix of sun and clouds.
A significant variation in temperature is predicted, ranging from a high of a pleasant 71.6°F to a low of a cold 33.8°F.
Forecasts show a high closer to September's climate pattern, around 66.2°F, rather than October's 50°F.
Sunrise was at 7:56 am and sunset will be at 6:46 pm; the daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest hour: 10 pm 48°C.

Chance of precipitation

Highest chance: 1 pm - 10 pm 0%.

Hourly weather forecast

  • 1 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphS 187°
  • Humidity: 27%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 70°F
  • Feels like:
    70°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 216°
  • Humidity: 25%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 230°
  • Humidity: 24%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 251°
  • Humidity: 27%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphW 275°
  • Humidity: 30%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphW 271°
  • Humidity: 33%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:46 pm
  • 7 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWNW 287°
  • Humidity: 39%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNW 331°
  • Humidity: 48%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNW 331°
  • Humidity: 56%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNW 309°
  • Humidity: 62%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphW 261°
  • Humidity: 72%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Grantsdale, primarily cloudy and occasionally bright weather is predicted.
The temperature will vary between a maximum of 71.6°F and a minimum of 44.6°F. The warmest part of the day is expected around 3 pm.
The maximum temperature will align more closely with September's average high of 66.2°F than with October's 50°F. Today, the temperature will drop to a level in line with October's average minimum of 30.4°F.
Updated: Oct 17, 2026 @ 18:57:18 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 12:57 pm MDT, the temperature is 68°F.

Today, expect partly sunny skies with periods of cloudiness.

Today, the maximum temperature will be 71.6°F, while the minimum temperature will be 33.8°F.
The maximum temperature today will be uncommonly higher than the average highest temperature of 50°F in October. The lowest temperature today will be in line with the average low temperature.

On Saturday, in Grantsdale, sunrise was at 7:56 am and sunset will be at 6:46 pm (MDT).

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