Garrison Weather Forecast 15 Days, Weather in Garrison Today

Current weather conditions and 15 day weather forecast for Garrison, 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 Garrison

12 June 2025 Thursday
12.8 ° C / 55.1°F
Thundery outbreaks in nearby
Thundery outbreaks in nearby
Feels Like : 12.4 ° C / 54.3°F
Humidity : % 91
Pressure : 1011 mb
Wind Speed : 3.6 kmph / 2.2 miles from WW
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 61

15 day weather forecast for Garrison, MT, USA

Weather Forecast for next 15 Days for Garrison 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 Garrison, Montana state, US. To see the daily forecast, scroll to the table below.
Date
12 June 2025 Thursday
Weather forecastThundery outbreaks in nearby Thundery outbreaks in nearby
Low temperature11.4 ° C
(52.5°F)
High temperature20.4 ° C
(68.7°F)
Avg. temperature15.5 ° C
(60°F)
Humidity% 70
Chance of rain0%
UV Index2.1
Sun PositionSunrise:05:39 AM
Sunset: 09:25 PM
Moon PositionMoonrise:11:21 PM
Moonset: 06:13 AM
Moon Phase
( Waning Gibbous )
13 June 2025 Friday
Weather forecastHeavy rain Heavy rain
Low temperature9.4 ° C
(48.9°F)
High temperature20.1 ° C
(68.2°F)
Avg. temperature13.8 ° C
(56.8°F)
Humidity% 80
Chance of rain82%
UV Index2.2
Sun PositionSunrise:05:39 AM
Sunset: 09:26 PM
Moon PositionMoonrise:11:58 PM
Moonset: 07:18 AM
Moon Phase
( Waning Gibbous )
14 June 2025 Saturday
Weather forecastSunny Sunny
Low temperature7.7 ° C
(45.9°F)
High temperature20.8 ° C
(69.4°F)
Avg. temperature14.1 ° C
(57.3°F)
Humidity% 58
Chance of rain0%
UV Index2.3
Sun PositionSunrise:05:39 AM
Sunset: 09:26 PM
Moon PositionMoonrise:No moonrise
Moonset: 08:29 AM
Moon Phase
( Waning Gibbous )
15 June 2025 Sunday
Weather forecastSunny Sunny
Low temperature8.2 ° C
(46.8°F)
High temperature24.9 ° C
(76.8°F)
Avg. temperature15.7 ° C
(60.2°F)
Humidity% 39
Chance of rain0%
UV Index2.2
Sun PositionSunrise:05:39 AM
Sunset: 09:27 PM
Moon PositionMoonrise:12:27 AM
Moonset: 09:45 AM
Moon Phase
( Waning Gibbous )
16 June 2025 Monday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature8 ° C
(46.3°F)
High temperature22.2 ° C
(72°F)
Avg. temperature13.3 ° C
(56°F)
Humidity% 52
Chance of rain83%
UV Index0
Sun PositionSunrise:05:39 AM
Sunset: 09:27 PM
Moon PositionMoonrise:12:50 AM
Moonset: 11:00 AM
Moon Phase
( Waning Gibbous )
17 June 2025 Tuesday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature8.7 ° C
(47.6°F)
High temperature19.1 ° C
(66.3°F)
Avg. temperature13.9 ° C
(57°F)
Humidity% 63
Chance of rain87%
UV Index3
Sun PositionSunrise:05:39 AM
Sunset: 09:27 PM
Moon PositionMoonrise:01:10 AM
Moonset: 12:15 PM
Moon Phase
( Waning Gibbous )
18 June 2025 Wednesday
Weather forecastSunny Sunny
Low temperature7 ° C
(44.6°F)
High temperature18.1 ° C
(64.6°F)
Avg. temperature12.7 ° C
(54.8°F)
Humidity% 46
Chance of rain0%
UV Index4
Sun PositionSunrise:05:39 AM
Sunset: 09:28 PM
Moon PositionMoonrise:01:28 AM
Moonset: 01:32 PM
Moon Phase
( Last Quarter )
19 June 2025 Thursday
Weather forecastSunny Sunny
Low temperature3.1 ° C
(37.6°F)
High temperature18.8 ° C
(65.8°F)
Avg. temperature11.2 ° C
(52.1°F)
Humidity% 40
Chance of rain0%
UV Index4
Sun PositionSunrise:05:39 AM
Sunset: 09:28 PM
Moon PositionMoonrise:01:45 AM
Moonset: 02:49 PM
Moon Phase
( Waning Crescent )
20 June 2025 Friday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature5.2 ° C
(41.3°F)
High temperature16.9 ° C
(62.5°F)
Avg. temperature9.5 ° C
(49.2°F)
Humidity% 69
Chance of rain80%
UV Index2
Sun PositionSunrise:05:39 AM
Sunset: 09:28 PM
Moon PositionMoonrise:02:04 AM
Moonset: 04:10 PM
Moon Phase
( Waning Crescent )
21 June 2025 Saturday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature6.1 ° C
(42.9°F)
High temperature16.3 ° C
(61.3°F)
Avg. temperature10.3 ° C
(50.5°F)
Humidity% 70
Chance of rain76%
UV Index3
Sun PositionSunrise:05:39 AM
Sunset: 09:28 PM
Moon PositionMoonrise:02:25 AM
Moonset: 05:35 PM
Moon Phase
( Waning Crescent )
22 June 2025 Sunday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature5.7 ° C
(42.3°F)
High temperature9.2 ° C
(48.5°F)
Avg. temperature7.2 ° C
(44.9°F)
Humidity% 81
Chance of rain89%
UV Index2
Sun PositionSunrise:05:40 AM
Sunset: 09:29 PM
Moon PositionMoonrise:02:52 AM
Moonset: 07:01 PM
Moon Phase
( Waning Crescent )
23 June 2025 Monday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature0.4 ° C
(32.8°F)
High temperature12.7 ° C
(54.9°F)
Avg. temperature7.2 ° C
(45°F)
Humidity% 60
Chance of rain88%
UV Index2
Sun PositionSunrise:05:40 AM
Sunset: 09:29 PM
Moon PositionMoonrise:03:29 AM
Moonset: 08:23 PM
Moon Phase
( Waning Crescent )
24 June 2025 Tuesday
Weather forecastSunny Sunny
Low temperature1.3 ° C
(34.3°F)
High temperature18.8 ° C
(65.8°F)
Avg. temperature10 ° C
(50.1°F)
Humidity% 52
Chance of rain0%
UV Index4
Sun PositionSunrise:05:40 AM
Sunset: 09:29 PM
Moon PositionMoonrise:04:17 AM
Moonset: 09:35 PM
Moon Phase
( Waning Crescent )
25 June 2025 Wednesday
Weather forecastSunny Sunny
Low temperature5.9 ° C
(42.6°F)
High temperature22.1 ° C
(71.9°F)
Avg. temperature14.1 ° C
(57.5°F)
Humidity% 41
Chance of rain0%
UV Index4
Sun PositionSunrise:05:41 AM
Sunset: 09:29 PM
Moon PositionMoonrise:05:21 AM
Moonset: 10:30 PM
Moon Phase
( New Moon )
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
12 June 2025 Thursday Thundery outbreaks in nearby Thundery outbreaks in nearby 11.4 ° C
(52.5°F)
20.4 ° C
(68.7°F)
15.5 ° C
(60°F)
% 70 0% 2.1 Sunrise:05:39 AM
Sunset: 09:25 PM
Moonrise:11:21 PM
Moonset: 06:13 AM
Moon Phase
( Waning Gibbous )
13 June 2025 Friday Heavy rain Heavy rain 9.4 ° C
(48.9°F)
20.1 ° C
(68.2°F)
13.8 ° C
(56.8°F)
% 80 82% 2.2 Sunrise:05:39 AM
Sunset: 09:26 PM
Moonrise:11:58 PM
Moonset: 07:18 AM
Moon Phase
( Waning Gibbous )
14 June 2025 Saturday Sunny Sunny 7.7 ° C
(45.9°F)
20.8 ° C
(69.4°F)
14.1 ° C
(57.3°F)
% 58 0% 2.3 Sunrise:05:39 AM
Sunset: 09:26 PM
Moonrise:No moonrise
Moonset: 08:29 AM
Moon Phase
( Waning Gibbous )
15 June 2025 Sunday Sunny Sunny 8.2 ° C
(46.8°F)
24.9 ° C
(76.8°F)
15.7 ° C
(60.2°F)
% 39 0% 2.2 Sunrise:05:39 AM
Sunset: 09:27 PM
Moonrise:12:27 AM
Moonset: 09:45 AM
Moon Phase
( Waning Gibbous )
16 June 2025 Monday Patchy rain nearby Patchy rain nearby 8 ° C
(46.3°F)
22.2 ° C
(72°F)
13.3 ° C
(56°F)
% 52 83% 0 Sunrise:05:39 AM
Sunset: 09:27 PM
Moonrise:12:50 AM
Moonset: 11:00 AM
Moon Phase
( Waning Gibbous )
17 June 2025 Tuesday Patchy rain nearby Patchy rain nearby 8.7 ° C
(47.6°F)
19.1 ° C
(66.3°F)
13.9 ° C
(57°F)
% 63 87% 3 Sunrise:05:39 AM
Sunset: 09:27 PM
Moonrise:01:10 AM
Moonset: 12:15 PM
Moon Phase
( Waning Gibbous )
18 June 2025 Wednesday Sunny Sunny 7 ° C
(44.6°F)
18.1 ° C
(64.6°F)
12.7 ° C
(54.8°F)
% 46 0% 4 Sunrise:05:39 AM
Sunset: 09:28 PM
Moonrise:01:28 AM
Moonset: 01:32 PM
Moon Phase
( Last Quarter )
19 June 2025 Thursday Sunny Sunny 3.1 ° C
(37.6°F)
18.8 ° C
(65.8°F)
11.2 ° C
(52.1°F)
% 40 0% 4 Sunrise:05:39 AM
Sunset: 09:28 PM
Moonrise:01:45 AM
Moonset: 02:49 PM
Moon Phase
( Waning Crescent )
20 June 2025 Friday Patchy rain nearby Patchy rain nearby 5.2 ° C
(41.3°F)
16.9 ° C
(62.5°F)
9.5 ° C
(49.2°F)
% 69 80% 2 Sunrise:05:39 AM
Sunset: 09:28 PM
Moonrise:02:04 AM
Moonset: 04:10 PM
Moon Phase
( Waning Crescent )
21 June 2025 Saturday Patchy rain nearby Patchy rain nearby 6.1 ° C
(42.9°F)
16.3 ° C
(61.3°F)
10.3 ° C
(50.5°F)
% 70 76% 3 Sunrise:05:39 AM
Sunset: 09:28 PM
Moonrise:02:25 AM
Moonset: 05:35 PM
Moon Phase
( Waning Crescent )
22 June 2025 Sunday Patchy rain nearby Patchy rain nearby 5.7 ° C
(42.3°F)
9.2 ° C
(48.5°F)
7.2 ° C
(44.9°F)
% 81 89% 2 Sunrise:05:40 AM
Sunset: 09:29 PM
Moonrise:02:52 AM
Moonset: 07:01 PM
Moon Phase
( Waning Crescent )
23 June 2025 Monday Patchy rain nearby Patchy rain nearby 0.4 ° C
(32.8°F)
12.7 ° C
(54.9°F)
7.2 ° C
(45°F)
% 60 88% 2 Sunrise:05:40 AM
Sunset: 09:29 PM
Moonrise:03:29 AM
Moonset: 08:23 PM
Moon Phase
( Waning Crescent )
24 June 2025 Tuesday Sunny Sunny 1.3 ° C
(34.3°F)
18.8 ° C
(65.8°F)
10 ° C
(50.1°F)
% 52 0% 4 Sunrise:05:40 AM
Sunset: 09:29 PM
Moonrise:04:17 AM
Moonset: 09:35 PM
Moon Phase
( Waning Crescent )
25 June 2025 Wednesday Sunny Sunny 5.9 ° C
(42.6°F)
22.1 ° C
(71.9°F)
14.1 ° C
(57.5°F)
% 41 0% 4 Sunrise:05:41 AM
Sunset: 09:29 PM
Moonrise:05:21 AM
Moonset: 10:30 PM
Moon Phase
( New Moon )
Garrison Weather forecasts are usually fully updated every 4 hours.
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