Big Sky Weather Forecast 15 Days, Weather in Big Sky Today

Current weather conditions and 15 day weather forecast for Big Sky, Montana, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Big Sky

10 June 2025 Tuesday
15.3 ° C / 59.5°F
Clear
Clear
Feels Like : 15.3 ° C / 59.5°F
Humidity : % 55
Pressure : 1016 mb
Wind Speed : 3.6 kmph / 2.2 miles from SS
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Big Sky, MT, USA

Weather Forecast for next 15 Days for Big Sky including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Big Sky, Montana state, US. To see the daily forecast, scroll to the table below.
Date
10 June 2025 Tuesday
Weather forecastSunny Sunny
Low temperature12.9 ° C
(55.2°F)
High temperature22.5 ° C
(72.5°F)
Avg. temperature17.8 ° C
(64.1°F)
Humidity% 38
Chance of rain0%
UV Index2.4
Sun PositionSunrise:05:37 AM
Sunset: 09:13 PM
Moon PositionMoonrise:09:25 PM
Moonset: 04:35 AM
Moon Phase
( Waxing Gibbous )
11 June 2025 Wednesday
Weather forecastHeavy rain Heavy rain
Low temperature8.4 ° C
(47.2°F)
High temperature15 ° C
(59°F)
Avg. temperature11.9 ° C
(53.5°F)
Humidity% 77
Chance of rain87%
UV Index1.7
Sun PositionSunrise:05:37 AM
Sunset: 09:13 PM
Moon PositionMoonrise:10:21 PM
Moonset: 05:19 AM
Moon Phase
( Full Moon )
12 June 2025 Thursday
Weather forecastThundery outbreaks in nearby Thundery outbreaks in nearby
Low temperature6.3 ° C
(43.3°F)
High temperature16.5 ° C
(61.7°F)
Avg. temperature12 ° C
(53.6°F)
Humidity% 67
Chance of rain0%
UV Index2.7
Sun PositionSunrise:05:37 AM
Sunset: 09:14 PM
Moon PositionMoonrise:11:09 PM
Moonset: 06:12 AM
Moon Phase
( Waning Gibbous )
13 June 2025 Friday
Weather forecastSunny Sunny
Low temperature5.3 ° C
(41.6°F)
High temperature21.6 ° C
(71°F)
Avg. temperature13.6 ° C
(56.5°F)
Humidity% 56
Chance of rain0%
UV Index2.7
Sun PositionSunrise:05:37 AM
Sunset: 09:14 PM
Moon PositionMoonrise:11:47 PM
Moonset: 07:17 AM
Moon Phase
( Waning Gibbous )
14 June 2025 Saturday
Weather forecastSunny Sunny
Low temperature5.6 ° C
(42.1°F)
High temperature24 ° C
(75.2°F)
Avg. temperature12.8 ° C
(55°F)
Humidity% 46
Chance of rain0%
UV Index0
Sun PositionSunrise:05:37 AM
Sunset: 09:15 PM
Moon PositionMoonrise:No moonrise
Moonset: 08:27 AM
Moon Phase
( Waning Gibbous )
15 June 2025 Sunday
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature8.7 ° C
(47.6°F)
High temperature21.8 ° C
(71.2°F)
Avg. temperature15.1 ° C
(59.2°F)
Humidity% 38
Chance of rain0%
UV Index5
Sun PositionSunrise:05:37 AM
Sunset: 09:15 PM
Moon PositionMoonrise:12:17 AM
Moonset: 09:41 AM
Moon Phase
( Waning Gibbous )
16 June 2025 Monday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature5.2 ° C
(41.3°F)
High temperature20.8 ° C
(69.4°F)
Avg. temperature13.1 ° C
(55.6°F)
Humidity% 38
Chance of rain69%
UV Index3
Sun PositionSunrise:05:37 AM
Sunset: 09:16 PM
Moon PositionMoonrise:12:41 AM
Moonset: 10:56 AM
Moon Phase
( Waning Gibbous )
17 June 2025 Tuesday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature5.2 ° C
(41.3°F)
High temperature18.4 ° C
(65.1°F)
Avg. temperature10.7 ° C
(51.2°F)
Humidity% 59
Chance of rain85%
UV Index3
Sun PositionSunrise:05:37 AM
Sunset: 09:16 PM
Moon PositionMoonrise:01:02 AM
Moonset: 12:10 PM
Moon Phase
( Waning Gibbous )
18 June 2025 Wednesday
Weather forecastSunny Sunny
Low temperature3.8 ° C
(38.8°F)
High temperature20.7 ° C
(69.2°F)
Avg. temperature12.1 ° C
(53.8°F)
Humidity% 50
Chance of rain0%
UV Index4
Sun PositionSunrise:05:37 AM
Sunset: 09:16 PM
Moon PositionMoonrise:01:21 AM
Moonset: 01:25 PM
Moon Phase
( Last Quarter )
19 June 2025 Thursday
Weather forecastSunny Sunny
Low temperature6 ° C
(42.7°F)
High temperature23 ° C
(73.3°F)
Avg. temperature14.7 ° C
(58.5°F)
Humidity% 41
Chance of rain0%
UV Index4
Sun PositionSunrise:05:37 AM
Sunset: 09:17 PM
Moon PositionMoonrise:01:39 AM
Moonset: 02:41 PM
Moon Phase
( Waning Crescent )
20 June 2025 Friday
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature9.3 ° C
(48.7°F)
High temperature26.4 ° C
(79.5°F)
Avg. temperature17.7 ° C
(63.9°F)
Humidity% 38
Chance of rain0%
UV Index5
Sun PositionSunrise:05:37 AM
Sunset: 09:17 PM
Moon PositionMoonrise:01:59 AM
Moonset: 04:01 PM
Moon Phase
( Waning Crescent )
21 June 2025 Saturday
Weather forecastSunny Sunny
Low temperature8.6 ° C
(47.5°F)
High temperature25.2 ° C
(77.3°F)
Avg. temperature17 ° C
(62.5°F)
Humidity% 41
Chance of rain0%
UV Index5
Sun PositionSunrise:05:38 AM
Sunset: 09:17 PM
Moon PositionMoonrise:02:21 AM
Moonset: 05:24 PM
Moon Phase
( Waning Crescent )
22 June 2025 Sunday
Weather forecastSunny Sunny
Low temperature9.3 ° C
(48.7°F)
High temperature26.4 ° C
(79.6°F)
Avg. temperature18.1 ° C
(64.5°F)
Humidity% 34
Chance of rain0%
UV Index5
Sun PositionSunrise:05:38 AM
Sunset: 09:17 PM
Moon PositionMoonrise:02:50 AM
Moonset: 06:49 PM
Moon Phase
( Waning Crescent )
23 June 2025 Monday
Weather forecastSunny Sunny
Low temperature10.2 ° C
(50.3°F)
High temperature27.6 ° C
(81.8°F)
Avg. temperature18.8 ° C
(65.8°F)
Humidity% 26
Chance of rain0%
UV Index5
Sun PositionSunrise:05:38 AM
Sunset: 09:17 PM
Moon PositionMoonrise:03:27 AM
Moonset: 08:10 PM
Moon Phase
( Waning Crescent )
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
10 June 2025 Tuesday Sunny Sunny 12.9 ° C
(55.2°F)
22.5 ° C
(72.5°F)
17.8 ° C
(64.1°F)
% 38 0% 2.4 Sunrise:05:37 AM
Sunset: 09:13 PM
Moonrise:09:25 PM
Moonset: 04:35 AM
Moon Phase
( Waxing Gibbous )
11 June 2025 Wednesday Heavy rain Heavy rain 8.4 ° C
(47.2°F)
15 ° C
(59°F)
11.9 ° C
(53.5°F)
% 77 87% 1.7 Sunrise:05:37 AM
Sunset: 09:13 PM
Moonrise:10:21 PM
Moonset: 05:19 AM
Moon Phase
( Full Moon )
12 June 2025 Thursday Thundery outbreaks in nearby Thundery outbreaks in nearby 6.3 ° C
(43.3°F)
16.5 ° C
(61.7°F)
12 ° C
(53.6°F)
% 67 0% 2.7 Sunrise:05:37 AM
Sunset: 09:14 PM
Moonrise:11:09 PM
Moonset: 06:12 AM
Moon Phase
( Waning Gibbous )
13 June 2025 Friday Sunny Sunny 5.3 ° C
(41.6°F)
21.6 ° C
(71°F)
13.6 ° C
(56.5°F)
% 56 0% 2.7 Sunrise:05:37 AM
Sunset: 09:14 PM
Moonrise:11:47 PM
Moonset: 07:17 AM
Moon Phase
( Waning Gibbous )
14 June 2025 Saturday Sunny Sunny 5.6 ° C
(42.1°F)
24 ° C
(75.2°F)
12.8 ° C
(55°F)
% 46 0% 0 Sunrise:05:37 AM
Sunset: 09:15 PM
Moonrise:No moonrise
Moonset: 08:27 AM
Moon Phase
( Waning Gibbous )
15 June 2025 Sunday Partly Cloudy  Partly Cloudy 8.7 ° C
(47.6°F)
21.8 ° C
(71.2°F)
15.1 ° C
(59.2°F)
% 38 0% 5 Sunrise:05:37 AM
Sunset: 09:15 PM
Moonrise:12:17 AM
Moonset: 09:41 AM
Moon Phase
( Waning Gibbous )
16 June 2025 Monday Patchy rain nearby Patchy rain nearby 5.2 ° C
(41.3°F)
20.8 ° C
(69.4°F)
13.1 ° C
(55.6°F)
% 38 69% 3 Sunrise:05:37 AM
Sunset: 09:16 PM
Moonrise:12:41 AM
Moonset: 10:56 AM
Moon Phase
( Waning Gibbous )
17 June 2025 Tuesday Patchy rain nearby Patchy rain nearby 5.2 ° C
(41.3°F)
18.4 ° C
(65.1°F)
10.7 ° C
(51.2°F)
% 59 85% 3 Sunrise:05:37 AM
Sunset: 09:16 PM
Moonrise:01:02 AM
Moonset: 12:10 PM
Moon Phase
( Waning Gibbous )
18 June 2025 Wednesday Sunny Sunny 3.8 ° C
(38.8°F)
20.7 ° C
(69.2°F)
12.1 ° C
(53.8°F)
% 50 0% 4 Sunrise:05:37 AM
Sunset: 09:16 PM
Moonrise:01:21 AM
Moonset: 01:25 PM
Moon Phase
( Last Quarter )
19 June 2025 Thursday Sunny Sunny 6 ° C
(42.7°F)
23 ° C
(73.3°F)
14.7 ° C
(58.5°F)
% 41 0% 4 Sunrise:05:37 AM
Sunset: 09:17 PM
Moonrise:01:39 AM
Moonset: 02:41 PM
Moon Phase
( Waning Crescent )
20 June 2025 Friday Partly Cloudy  Partly Cloudy 9.3 ° C
(48.7°F)
26.4 ° C
(79.5°F)
17.7 ° C
(63.9°F)
% 38 0% 5 Sunrise:05:37 AM
Sunset: 09:17 PM
Moonrise:01:59 AM
Moonset: 04:01 PM
Moon Phase
( Waning Crescent )
21 June 2025 Saturday Sunny Sunny 8.6 ° C
(47.5°F)
25.2 ° C
(77.3°F)
17 ° C
(62.5°F)
% 41 0% 5 Sunrise:05:38 AM
Sunset: 09:17 PM
Moonrise:02:21 AM
Moonset: 05:24 PM
Moon Phase
( Waning Crescent )
22 June 2025 Sunday Sunny Sunny 9.3 ° C
(48.7°F)
26.4 ° C
(79.6°F)
18.1 ° C
(64.5°F)
% 34 0% 5 Sunrise:05:38 AM
Sunset: 09:17 PM
Moonrise:02:50 AM
Moonset: 06:49 PM
Moon Phase
( Waning Crescent )
23 June 2025 Monday Sunny Sunny 10.2 ° C
(50.3°F)
27.6 ° C
(81.8°F)
18.8 ° C
(65.8°F)
% 26 0% 5 Sunrise:05:38 AM
Sunset: 09:17 PM
Moonrise:03:27 AM
Moonset: 08:10 PM
Moon Phase
( Waning Crescent )
Big Sky Weather forecasts are usually fully updated every 4 hours.
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