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Augusta, MT Weather Forecast


Augusta, MT Weather Forecast Dated: 1119 AM Sat Oct 17 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, October 17, 2026
Mid-Morning
49°F 10°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
52°F 11°C
Cloudy
Refreshing around 62°F 17°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds picking up from WSW at 17 mph 28 km/h to W at 29 mph 47 km/h. Gusts up to 51 mph 81 km/h.
Sunday, October 18, 2026
Mid-Morning
38°F 3°C
Sunny
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
44°F 7°C
Sunny
Cool and brisk at 57°F 14°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Monday, October 19, 2026
Mid-Morning
40°F 4°C
Cloudy
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
48°F 9°C
Overcast
Comfortable at 63°F 17°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds blowing from the SW at 9 mph 14 km/h.
Tuesday, October 20, 2026
Mid-Morning
42°F 6°C
Overcast
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
43°F 6°C
Overcast
Crisp with a high near 53°F 12°C, overcast throughout the day, with increasing humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
39°F 4°C
Sunny
Mid-Afternoon
61°F 16°C
Partly Cloudy
Early-Evening
47°F 8°C
Overcast
Refreshing around 61°F 16°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds SW at 9 mph 14 km/h.
Thursday, October 22, 2026
Mid-Morning
42°F 5°C
Cloudy
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
49°F 10°C
Cloudy
Mildly cool near 61°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the WSW to the SW at 6 mph 9 km/h.
Friday, October 23, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
39°F 4°C
Scattered Showers
Early-Evening
36°F 2°C
Snow
Nippy around 39°F 4°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising.
Saturday, October 24, 2026
Mid-Morning
31°F -1°C
Sunny
Mid-Afternoon
49°F 9°C
Overcast
Early-Evening
39°F 4°C
Overcast
Crisp with a high near 49°F 9°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling.
Sunday, October 25, 2026
Mid-Morning
37°F 3°C
Scattered Showers
Mid-Afternoon
46°F 8°C
Overcast
Early-Evening
41°F 5°C
Scattered Showers
Brisk around 46°F 8°C, locally heavy downpours at times, with steady humidity and barometric pressure falling.
Monday, October 26, 2026
Mid-Morning
34°F 1°C
Blowing Snow
Mid-Afternoon
39°F 4°C
Scattered Showers
Early-Evening
36°F 2°C
Overcast
Nippy around 39°F 4°C, periods of blowing snow, with steady humidity and steady pressure. Winds shifting from the W to the WSW at 27 mph 44 km/h. Gusts up to 51 mph 82 km/h.
Tuesday, October 27, 2026
Mid-Morning
33°F 1°C
Patchy Heavy Snow
Mid-Afternoon
36°F 2°C
Sunny
Early-Evening
29°F -2°C
Sunny
Biting cold near 36°F 2°C, scattered morning snow before drying out later, with lower humidity and barometric pressure rising. Snow accumulation up to 1 in. up to 3 cm. Winds decreasing from WSW 29 mph 46 km/h to WSW 21 mph 34 km/h. Gusts up to 41 mph 65 km/h.
Wednesday, October 28, 2026
Mid-Morning
28°F -2°C
Partly Cloudy
Mid-Afternoon
36°F 2°C
Cloudy
Early-Evening
28°F -3°C
Sunny
Cold with a high near 36°F 2°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds easing from WSW 32 mph 52 km/h to WSW 12 mph 20 km/h. Gusts up to 28 mph 45 km/h.
Thursday, October 29, 2026
Mid-Morning
25°F -4°C
Partly Cloudy
Mid-Afternoon
35°F 2°C
Heavy Snow
Early-Evening
27°F -3°C
Heavy Snow & Thunder
Nippy around 35°F 2°C, drier morning followed by snow lasting through evening, with steady humidity and steady pressure. New snow accumulation of 2 to 5 in. 5 to 13 cm. Winds moving from the W to the ESE at 5 mph 8 km/h.
Friday, October 30, 2026
Mid-Morning
12°F -11°C
Light Fog
Mid-Afternoon
31°F -1°C
Light Snow Showers
Early-Evening
15°F -10°C
Sunny
Freezing temperatures near 31°F -1°C, clouds building with afternoon snow likely, with steady humidity and steady pressure.
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