Castle Bluff Rapids, MT 14 Day Weather
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Castle Bluff Rapids, MT Weather Forecast


Castle Bluff Rapids, MT Weather Forecast Dated: 802 PM Tue Sep 08 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.
Tuesday, September 8, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
57°F 14°C
Overcast
Refreshing around 61°F 16°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds out of the W at 22 mph 35 km/h. Gusts up to 29 mph 46 km/h.
Wednesday, September 9, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
67°F 20°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the WSW to the W at 11 mph 17 km/h.
Thursday, September 10, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
60°F 16°C
Overcast
Enjoyable around 70°F 21°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with increasing humidity and barometric pressure rising. Winds decreasing from W 19 mph 31 km/h to NNE 11 mph 18 km/h.
Friday, September 11, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
61°F 16°C
Overcast
Cool with a high near 63°F 17°C, sunny through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds out of the ESE at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
47°F 9°C
Overcast
Brisk around 54°F 12°C, overcast throughout the day, with steady humidity and barometric pressure rising. Winds tapering down from NE 22 mph 35 km/h to NE 8 mph 12 km/h.
Sunday, September 13, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
47°F 8°C
Light Showers
Cool and brisk at 54°F 12°C, dry most of the day, with showers developing late, with increasing humidity and steady pressure. Winds turning from the NE to the WSW at 12 mph 19 km/h.
Monday, September 14, 2026
Mid-Morning
46°F 8°C
Scattered Showers
Mid-Afternoon
60°F 15°C
Sunny
Early-Evening
59°F 15°C
Sunny
Comfortable at 60°F 15°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds out of the SSW at 7 mph 11 km/h.
Tuesday, September 15, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
64°F 18°C
Sunny
Enjoyable around 69°F 21°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the WSW to the NW at 4 mph 6 km/h.
Wednesday, September 16, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
50°F 10°C
Scattered Showers
Mild temperatures up to 72°F 22°C, locally heavy downpours at times, with increasing humidity and barometric pressure rising. Winds increasing from the E at 9 mph 14 km/h to WNW at 22 mph 35 km/h. Gusts up to 27 mph 43 km/h.
Thursday, September 17, 2026
Mid-Morning
37°F 3°C
Cloudy
Mid-Afternoon
41°F 5°C
Scattered Showers
Early-Evening
39°F 5°C
Scattered Showers
Nippy around 41°F 5°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds shifting from the NW to the N at 12 mph 19 km/h.
Friday, September 18, 2026
Mid-Morning
37°F 3°C
Scattered Showers
Mid-Afternoon
51°F 10°C
Sunny
Early-Evening
49°F 10°C
Sunny
Chilly near 51°F 10°C, scattered downpours possible, with lower humidity and steady pressure. Winds tapering down from ESE 15 mph 23 km/h to S 7 mph 10 km/h.
Saturday, September 19, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
58°F 15°C
Sunny
Cool with a high near 62°F 17°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds decreasing from SSE 13 mph 20 km/h to SE 4 mph 6 km/h.
Sunday, September 20, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
65°F 19°C
Sunny
Enjoyable around 71°F 22°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the WSW to the SSE at 6 mph 9 km/h.
Monday, September 21, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild temperatures up to 77°F 25°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the WSW to the NW at 8 mph 12 km/h.
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