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Rainy weekend ahead for parts of Northeast, Midwest. Click for the forecast. Chevron right

Saint Mary, MT

63°F
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Saint Mary

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Saint Mary, MT Weather
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September 17 - October 1

Thu 9/17

72° /42°
1%
Partly cloudy

RealFeel®43°

Cloud Cover34%

WindSW 4 mph

Wind Gusts5 mph

Fri 9/18

68° /41°
55%
Mostly cloudy with a thunderstorm in the afternoon

RealFeel®69°

RealFeel Shade™66°

Max UV Index3.0 (Moderate)

WindNNE 5 mph

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Sat 9/19

68° /45°
5%
Nice with plenty of sunshine

RealFeel®71°

RealFeel Shade™66°

Max UV Index4.0 (Moderate)

WindSE 6 mph

Sun 9/20

73° /48°
5%
Sunshine, nice and warm

RealFeel®75°

RealFeel Shade™70°

Max UV Index4.0 (Moderate)

WindSW 6 mph

Mon 9/21

70° /49°
5%
Mostly sunny and nice

RealFeel®73°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindSW 7 mph

Tue 9/22

68° /41°
7%
Nice with sunshine and a few clouds

RealFeel®70°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindWSW 8 mph

Wed 9/23

66° /44°
10%
Sunny and beautiful

RealFeel®69°

RealFeel Shade™64°

Max UV Index4.0 (Moderate)

WindSW 6 mph

Thu 9/24

75° /48°
0%
Mostly sunny and warm

RealFeel®75°

RealFeel Shade™72°

Max UV Index4.0 (Moderate)

WindSSW 5 mph

Fri 9/25

73° /50°
0%
Warm with plenty of sun

RealFeel®76°

RealFeel Shade™70°

Max UV Index4.0 (Moderate)

WindSW 6 mph

Sat 9/26

66° /43°
0%
Sun giving way to increasing clouds

RealFeel®72°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindWSW 4 mph

Sun 9/27

61° /41°
65%
Cloudy with showers and thunderstorms

RealFeel®62°

RealFeel Shade™62°

Max UV Index1.0 (Low)

WindWSW 5 mph

Total Hours of Precipitation3.5

Total Hours of Rain3.5

Mon 9/28

61° /42°
56%
Mostly cloudy with occasional rain in the afternoon

RealFeel®62°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindWSW 4 mph

Total Hours of Precipitation1

Total Hours of Rain1

Tue 9/29

60° /40°
65%
Cloudy; a little morning rain, then afternoon thundershowers

RealFeel®62°

RealFeel Shade™60°

Max UV Index1.0 (Low)

WindSW 5 mph

Total Hours of Precipitation3.5

Total Hours of Rain3.5

Wed 9/30

69° /41°
57%
Mostly cloudy; a little morning rain followed by a shower in spots in the afternoon

RealFeel®66°

RealFeel Shade™66°

Max UV Index1.0 (Low)

WindWSW 10 mph

Total Hours of Precipitation2

Total Hours of Rain2

Thu 10/1

51° /37°
25%
Times of sun and clouds

RealFeel®49°

RealFeel Shade™45°

Max UV Index3.0 (Moderate)

WindSW 10 mph

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World North America United States Montana Saint Mary

Weather Near Saint Mary:

  • Great Falls, MT
  • Havre, MT
  • Lewistown, MT
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