Weather forecast for tomorrowSaint Marie, MT

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSE 141°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:32 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
On Monday, October 19, sunny conditions are expected to continue.
Dramatic temperature shifts from a high of a breezy 64.4°F to a low of a wintry 37.4°F are forecasted.
The warmer conditions bring a maximum of 64.4°F, more representative of September than October.
Sunrise will be at 7:32 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 37min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 39°C.

Chance of precipitation

Highest chance: 12 am - 9 pm 0%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphE 99°
  • Humidity: 59%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphE 98°
  • Humidity: 63%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphESE 109°
  • Humidity: 61%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    30°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphESE 110°
  • Humidity: 62%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:32 am
  • 8 am
  • 41°F
  • Feels like:
    32°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphESE 117°
  • Humidity: 61%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSE 133°
  • Humidity: 54%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSE 146°
  • Humidity: 42%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSSE 154°
  • Humidity: 36%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSSE 158°
  • Humidity: 35%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSE 140°
  • Humidity: 41%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:09 pm
  • 8 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSE 129°
  • Humidity: 49%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphSE 126°
  • Humidity: 55%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, a combination of sunny and dull weather is predicted.
The temperature will be between a minimum of 39.2°F and a maximum of 62.6°F. The feels-like temperature will be between a minimum of 30.2°F and a maximum of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more comparable to September's typical high of 70.2°F than the average for October. The night temperature will be similar to the standard October low of 39.6°F.
Updated: Oct 18, 2026 @ 10:32:35 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in Saint Marie, sunshine is forecasted under mostly clear skies.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be noticeably higher than the average maximum of 53.8°F in October. The lowest temperature will be in line with the average low of 39.6°F.

On Monday, in Saint Marie, sunrise will be at 7:32 am and sunset at 6:09 pm (MDT).

In Saint Marie, the length of the day tomorrow will be 10h and 37min.