How is the weather in Big Sky, MT?

At 5:10 PM on Thu, Sep 18, 2025 it is sunny and 75 degrees Fahrenheit, feeling like 75 degrees.

Big Sky, MT Weather Forecast and Current Conditions (59716)

75°F
Feels Like 75°F

Humidity 22% Dew Point 34°F Wind SSE 6 MPH Barometer 30.11 in.764.8 mm

Solar Rad 367 w/m2 Visibility 10 mi.

Report from 13.8 miles W of central Big Sky at 5:10 PM Thu, Sep 18, 2025

Current Weather

75°F
Feels Like 75°F

Humidity 22% Dew Point 34°F Wind SSE 6 MPH Barometer 30.11 in.764.8 mm

Solar Rad 367 w/m2 Visibility 10 mi.

Report from 13.8 miles W of central Big Sky at 5:10 PM Thu, Sep 18, 2025

Forecast at a Glance

ThuSep 18

65°

44°

FriSep 19

66°

45°

SatSep 20

68°

46°

SunSep 21

40%

61°

37°

MonSep 22

10%

56°

38°

TueSep 23

65°

43°

WedSep 24

10%

69°

46°

This Date in Weather History

1926 - The great ""Miami Hurricane"" produced winds reaching 138 mph which drove ocean waters into the Biscayne Bay drowning 135 persons. The eye of the hurricane passed over Miami, at which time the barometric pressure reached 27.61 inches. Tides up to twelve feet high accompanied the hurricane, which claimed a total of 372 lives.

Big Sky 7 Day Weather Forecast Details

Thursday Sep 18

Day: Sunny, with a high near 65. West northwest wind around 6 mph.

Night: Mostly clear, with a low around 44. Southeast wind around 5 mph.

Friday Sep 19

Day: Partly sunny, with a high near 66. South southwest wind around 5 mph.

Night: Mostly cloudy, with a low around 45. South wind around 5 mph.

Saturday Sep 20

Day: Sunny, with a high near 68. West southwest wind 2 to 7 mph.

Night: Mostly clear, with a low around 46. South southwest wind around 6 mph.

Sunday Sep 21

Day: A chance of rain after noon. Partly sunny, with a high near 61. Southwest wind 5 to 9 mph, with gusts as high as 23 mph.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 37. West southwest wind 5 to 8 mph, with gusts as high as 21 mph.

Monday Sep 22

Day: Sunny, with a high near 56.

Night: Clear, with a low around 38.

Tuesday Sep 23

Day: Sunny, with a high near 65.

Night: Mostly clear, with a low around 43.

Wednesday Sep 24

Day: Sunny, with a high near 69.

Night: Mostly clear, with a low around 46.

Sun & Moon Monthly

First Light 6:39 AM

Sunrise 7:09 AM

Sunset 7:32 PM

Last Light 8:02 PM

Moonrise 3:33 AM

Moonset 6:30 PM

Moon Phase

Stadium Weather - Be Prepared for the Game

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