Weather forecast for tomorrowActon, MT

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 61°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphE 85°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:36 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
Tomorrow, on Sunday, patchy clouds will move across the sky, allowing for sunshine at times.
The highest forecasted temperature is an enjoyable 60.8°F, while the lowest temperature will be an icy 35.6°F.
Tomorrow, the forecasted high temperature will be relatively higher than the average October peak of 56.3°F.
Sunrise will be at 7:36 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 47min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 45°C.

Chance of precipitation

Highest chance: 3 am - 9 am 1%.

Hourly weather forecast

  • 12 am
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphWNW 287°
  • Humidity: 37%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphWNW 289°
  • Humidity: 43%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 48°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphNW 307°
  • Humidity: 50%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 45°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphWNW 296°
  • Humidity: 58%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:36 am
  • 8 am
  • 41°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 174°
  • Humidity: 67%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphENE 74°
  • Humidity: 51%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphE 81°
  • Humidity: 39%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphE 87°
  • Humidity: 34%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphE 82°
  • Humidity: 34%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphENE 62°
  • Humidity: 38%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 8 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNE 54°
  • Humidity: 44%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphENE 56°
  • Humidity: 47%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily gloomy and occasionally mostly clear weather is anticipated.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the forecasted high will be moderately higher than October's typical peak temperature. The lowest temperature tomorrow will be also relatively lower than the standard minimum for October.
Updated: Oct 18, 2026 @ 00:48:50 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, intermittent cloud cover is expected, allowing for some sunshine.

Tomorrow, the maximum temperature in Acton will be 60.8°F, while the minimum temperature will be 35.6°F.
The maximum temperature tomorrow will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature will be also relatively lower than the average low temperature.

On Sunday, in Acton, sunrise will be at 7:36 am and sunset at 6:23 pm (MDT).

In Acton, the length of the day tomorrow will be 10h and 47min.