Weather forecast for todayHarrison, MT

Weather forecast for today

Current condition 12:43 pm MDT

  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 12mphSSW 210°
  • Humidity: 27%
  • Dewpoint: 28°F
  • Pressure: 30.01"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
In Harrison, at the moment, no clouds in the sky, just uninterrupted sunshine.
The temperature is an enjoyable 64.4°F, with the apparent temperature closely matching at 62.6°F. The current temperature is only a few degrees off the highest temperature for today.

Saturday Oct 17, 2026

  • 70°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 193°
  • Humidity: 25%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
Today, in Harrison, clouds will come and go, but expect bright periods in between.
The day's temperature scale will range from a significant high of a delightful 69.8°F to a minimum of an icy 35.6°F.
Today, the temperature will be higher and more consistent with September's typical high of 70.9°F than with October's 53.8°F.
Sunrise was at 7:46 am and sunset will be at 6:38 pm; the daylight will last for 10h and 51min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest hour: 10 pm 50°C.

Chance of precipitation

Highest chance: 1 pm - 10 pm 0%.

Hourly weather forecast

  • 1 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 179°
  • Humidity: 26%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphS 189°
  • Humidity: 23%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 68°F
  • Feels like:
    68°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 192°
  • Humidity: 22%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSSW 200°
  • Humidity: 25%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSSW 196°
  • Humidity: 27%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 197°
  • Humidity: 27%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:38 pm
  • 7 pm
  • 59°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 197°
  • Humidity: 29%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 195°
  • Humidity: 34%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 52°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 197°
  • Humidity: 38%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 207°
  • Humidity: 41%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 48°F
  • Feels like:
    45°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSW 215°
  • Humidity: 45%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of cloudy and mostly clear weather is predicted.
The temperature will vary between the lowest temperature of 48.2°F and the highest temperature of 68°F. The warmest part of the day is anticipated around 3 pm.
Today, the expected high matches September's average of 70.9°F more than October's. Today, the lowest temperature will be in line with October's usual minimum.
Updated: Oct 17, 2026 @ 18:43:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (12:43 pm MDT) it is 64.4°F in Harrison.

On Saturday, in Harrison, high-altitude clouds may scatter across the sky, but the sun will still shine.

Today, the highest temperature will be 69.8°F, while the lowest temperature will be 35.6°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 53.8°F in October. The lowest temperature today will be in line with the average low temperature.

On Saturday, in Harrison, sunrise was at 7:46 am and sunset will be at 6:38 pm (MDT).

In Harrison, today, there will be 10h and 51min of daylight.