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Acton, MT Weather Forecast


Acton, MT Weather Forecast Dated: 206 PM Fri Oct 30 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, October 30, 2026
Mid-Morning
36°F 2°C
Overcast
Mid-Afternoon
46°F 8°C
Cloudy
Early-Evening
42°F 6°C
Cloudy
Brisk around 46°F 8°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling.
Saturday, October 31, 2026
Mid-Morning
41°F 5°C
Light Sleet
Mid-Afternoon
53°F 12°C
Sunny
Early-Evening
46°F 8°C
Partly Cloudy
Cool and brisk at 53°F 12°C, scattered morning sleet before drying out later, with steady humidity and steady pressure.
Sunday, November 1, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
57°F 14°C
Cloudy
Early-Evening
51°F 11°C
Overcast
Chilly near 57°F 14°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the NE to the WNW at 6 mph 10 km/h.
Monday, November 2, 2026
Mid-Morning
46°F 8°C
Scattered Showers
Mid-Afternoon
53°F 12°C
Cloudy
Early-Evening
45°F 7°C
Clear
Crisp with a high near 53°F 12°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds tapering down from NW 18 mph 28 km/h to WNW 5 mph 7 km/h.
Tuesday, November 3, 2026
Mid-Morning
44°F 7°C
Overcast
Mid-Afternoon
56°F 13°C
Overcast
Early-Evening
49°F 10°C
Overcast
Brisk around 56°F 13°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds SW at 15 mph 24 km/h.
Wednesday, November 4, 2026
Mid-Morning
45°F 7°C
Cloudy
Mid-Afternoon
51°F 11°C
Partly Cloudy
Early-Evening
45°F 7°C
Partly Cloudy
Cool and brisk at 51°F 11°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with increasing humidity and steady pressure.
Thursday, November 5, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
48°F 9°C
Partly Cloudy
Early-Evening
42°F 6°C
Partly Cloudy
Chilly near 48°F 9°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Friday, November 6, 2026
Mid-Morning
46°F 8°C
Partly Cloudy
Mid-Afternoon
50°F 10°C
Partly Cloudy
Early-Evening
48°F 9°C
Partly Cloudy
Crisp with a high near 50°F 10°C, cloudy throughout the day, with steady humidity and steady pressure.
Saturday, November 7, 2026
Mid-Morning
42°F 6°C
Scattered Showers
Mid-Afternoon
46°F 8°C
Partly Cloudy
Early-Evening
43°F 6°C
Clear
Brisk around 46°F 8°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the WNW to the WSW at 3 mph 4 km/h.
Sunday, November 8, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
49°F 9°C
Sunny
Early-Evening
44°F 7°C
Partly Cloudy
Cool and brisk at 49°F 9°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the SSW at 7 mph 11 km/h.
Monday, November 9, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
49°F 10°C
Sunny
Early-Evening
44°F 7°C
Partly Cloudy
Chilly near 49°F 10°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Tuesday, November 10, 2026
Mid-Morning
44°F 6°C
Overcast
Mid-Afternoon
51°F 11°C
Cloudy
Early-Evening
45°F 7°C
Partly Cloudy
Crisp with a high near 51°F 11°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
Wednesday, November 11, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
52°F 11°C
Cloudy
Early-Evening
47°F 8°C
Cloudy
Brisk around 52°F 11°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Thursday, November 12, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
49°F 9°C
Cloudy
Early-Evening
45°F 8°C
Light Showers
Cool and brisk at 49°F 9°C, mainly dry until evening showers arrive, with steady humidity and steady pressure. Winds turning from the WSW to the W at 7 mph 11 km/h. Gusts up to 21 mph 34 km/h.
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