Weather forecast for tomorrowSaint Johns, MT

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 61°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphE 89°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
Tomorrow, in Saint Johns, uninterrupted sunshine is anticipated.
Temperatures are forecasted to range from a maximum of a breezy 60.8°F to a minimum of an icy 35.6°F.
Tomorrow, the maximum temperature is anticipated to be moderately higher than the common October peak of 54.3°F.
Sunrise will be at 7:45 am and sunset at 6:24 pm; tomorrow's daylight will last for 10h and 40min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 36°C.

Chance of precipitation

Highest chance: 6 am - 9 am 2%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    34°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphE 92°
  • Humidity: 59%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphE 91°
  • Humidity: 64%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    28°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphE 88°
  • Humidity: 70%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphE 90°
  • Humidity: 74%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:45 am
  • 8 am
  • 36°F
  • Feels like:
    30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphE 90°
  • Humidity: 72%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 43°F
  • Feels like:
    41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphESE 103°
  • Humidity: 64%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 52°F
  • Feels like:
    50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 164°
  • Humidity: 50%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 168°
  • Humidity: 40%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 150°
  • Humidity: 38%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphE 96°
  • Humidity: 47%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:24 pm
  • 8 pm
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphENE 71°
  • Humidity: 58%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNE 42°
  • Humidity: 68%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of mostly clear and cloudy weather is expected.
The temperature will be between a minimum of 35.6°F and a maximum of 60.8°F. The feels-like temperature will be between a minimum of 28.4°F and a maximum of 60.8°F. The warmest part of the day will be at 4 pm and 5 pm.
Tomorrow, the temperature is expected to be a few degrees higher than October's normal maximum of 54.3°F. The lowest temperature tomorrow will be also in line with October's average minimum.
Updated: Oct 18, 2026 @ 05:15:00 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, bright and sunny weather is expected.

Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be relatively higher than the average highest temperature of 54.3°F in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Saint Johns, sunrise will be at 7:45 am and sunset at 6:24 pm (MDT).

In Saint Johns, tomorrow, there will be 10h and 40min of daylight.