Weather WorldCastner Park, MT 14 Day Weather
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Castner Park, MT Weather Forecast
Castner Park, MT Weather Forecast Dated: 603 AM Thu Sep 10 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
80°F 27°C
Cloudy
Early-Evening
71°F 22°C
Cloudy
Warm and summery near 80°F 27°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SW to the W at 16 mph 25 km/h. Gusts up to 28 mph 45 km/h.
Friday, September 11, 2026
Mid-Morning
46°F 8°C
Scattered Showers
Mid-Afternoon
51°F 10°C
Scattered Showers
Early-Evening
48°F 9°C
Scattered Showers
Cool and brisk at 51°F 10°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds switching from the NNW to the N at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
50°F 10°C
Overcast
Early-Evening
48°F 9°C
Overcast
Chilly near 50°F 10°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the E to the ENE at 10 mph 16 km/h.
Sunday, September 13, 2026
Mid-Morning
36°F 2°C
Light Sleet
Mid-Afternoon
36°F 2°C
Light Sleet
Early-Evening
37°F 3°C
Light Sleet Showers
Nippy around 36°F 2°C, rounds of sleet expected off and on all day, with steady humidity and barometric pressure rising. New snow accumulation of 2 to 5 in. 5 to 13 cm. Winds swinging from the ENE to the W at 3 mph 4 km/h.
Monday, September 14, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
52°F 11°C
Sunny
Refreshing around 58°F 14°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds blowing from the SW at 9 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
46°F 8°C
Scattered Showers
Early-Evening
43°F 6°C
Scattered Showers
Cool and brisk at 46°F 8°C, locally heavy downpours at times, with increasing humidity and barometric pressure rising. Winds turning from the WNW to the NNW at 7 mph 10 km/h.
Wednesday, September 16, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
39°F 4°C
Scattered Showers
Early-Evening
38°F 4°C
Scattered Showers
Nippy around 39°F 4°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds switching from the NNW to the NE at 3 mph 4 km/h.
Thursday, September 17, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
56°F 13°C
Sunny
Cool with a high near 64°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the ENE to the SSE at 5 mph 8 km/h.
Friday, September 18, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
65°F 19°C
Sunny
Mild temperatures up to 75°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
70°F 21°C
Overcast
Very warm with a high of 84°F 29°C, sunny through the afternoon, turning overcast this evening, with increasing humidity and barometric pressure falling. Winds swinging from the S to the SW at 5 mph 8 km/h.
Sunday, September 20, 2026
Mid-Morning
55°F 13°C
Partly Cloudy
Mid-Afternoon
63°F 17°C
Partly Cloudy
Early-Evening
54°F 13°C
Sunny
Comfortable at 63°F 17°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds shifting from the WSW to the SSW at 11 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Cool with a high near 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SW to the SSE at 6 mph 10 km/h.
Tuesday, September 22, 2026
Mid-Morning
59°F 15°C
Partly Cloudy
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
67°F 20°C
Partly Cloudy
Enjoyable around 77°F 25°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds W at 12 mph 19 km/h.
Wednesday, September 23, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
68°F 20°C
Partly Cloudy
Warm temperatures up to 80°F 27°C, sunny throughout the day, with steady humidity and barometric pressure falling.
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