Weather forecast for todayBoulder, MT

Weather forecast for today

Current condition 12:35 am MDT

  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 2mphWSW 250°
  • Humidity: 73%
  • Dewpoint: 32°F
  • Pressure: 30.01"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, a cloudless sky and calm conditions create ideal weather.
The temperature is a cold 39.2°F. The current temperature is near the lowest predicted 35.6°F for today.

Monday Oct 19, 2026

  • 66°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 184°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
Today, on Monday, October 19, mostly clear skies and sunshine will create ideal daytime conditions.
Dramatic temperature shifts from a high of a breezy 66.2°F to a low of a cold 35.6°F are anticipated.
The expected high of 66.2°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:51 am and sunset at 6:35 pm; the daylight will last for 10h and 44min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 66°C.
Coldest hour: 7 am 36°C.

Chance of precipitation

Highest chance: 1%.

Hourly weather forecast

  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 213°
  • Humidity: 74%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSW 217°
  • Humidity: 73%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 210°
  • Humidity: 74%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:51 am
  • 8 am
  • 34°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSW 215°
  • Humidity: 79%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSW 197°
  • Humidity: 62%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 167°
  • Humidity: 39%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSE 168°
  • Humidity: 30%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 174°
  • Humidity: 26%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 177°
  • Humidity: 30%
  • Pressure: 29.8"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:35 pm
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSW 226°
  • Humidity: 42%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSW 230°
  • Humidity: 50%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily sunny and occasionally gloomy weather is forecasted.
The temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 66.2°F. The warmest part of the day is anticipated around 4 pm.
The maximum temperature will align more closely with September's average high of 67.5°F than with October's 50.9°F. The lowest temperature is expected to be a few degrees higher than the average minimum in October, typically 31.3°F.
Updated: Oct 19, 2026 @ 06:35:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (12:35 am MDT) is 39.2°F.

Today, in Boulder, predominantly sunny weather will make for pleasant outdoor conditions.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
The highest temperature will be uncommonly higher than the average maximum of 50.9°F in October. The lowest temperature will be relatively higher than the average low of 31.3°F.

On Monday, in Boulder, sunrise will be at 7:51 am and sunset at 6:35 pm (MDT).

In Boulder, the length of the day today will be 10h and 44min.