Roundup Weather Forecast 15 Days, Weather in Roundup Today

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

11 June 2025 Wednesday
27.8 ° C / 82°F
Thundery outbreaks in nearby
Thundery outbreaks in nearby
Feels Like : 27.6 ° C / 81.7°F
Humidity : % 38
Pressure : 1006 mb
Wind Speed : 12.2 kmph / 7.6 miles from ESEESE
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 30

15 day weather forecast for Roundup, MT, USA

Weather Forecast for next 15 Days for Roundup 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 Roundup, Montana state, US. To see the daily forecast, scroll to the table below.
Date
11 June 2025 Wednesday
Weather forecastModerate rain Moderate rain
Low temperature13.3 ° C
(55.9°F)
High temperature28.8 ° C
(83.8°F)
Avg. temperature20.2 ° C
(68.3°F)
Humidity% 61
Chance of rain73%
UV Index2
Sun PositionSunrise:05:22 AM
Sunset: 09:07 PM
Moon PositionMoonrise:10:16 PM
Moonset: 05:01 AM
Moon Phase
( Full Moon )
12 June 2025 Thursday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature13.5 ° C
(56.3°F)
High temperature26.5 ° C
(79.7°F)
Avg. temperature19 ° C
(66.1°F)
Humidity% 72
Chance of rain88%
UV Index0.9
Sun PositionSunrise:05:21 AM
Sunset: 09:07 PM
Moon PositionMoonrise:11:03 PM
Moonset: 05:55 AM
Moon Phase
( Waning Gibbous )
13 June 2025 Friday
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature11 ° C
(51.8°F)
High temperature23 ° C
(73.4°F)
Avg. temperature16.4 ° C
(61.6°F)
Humidity% 78
Chance of rain0%
UV Index2.5
Sun PositionSunrise:05:21 AM
Sunset: 09:08 PM
Moon PositionMoonrise:11:41 PM
Moonset: 06:59 AM
Moon Phase
( Waning Gibbous )
14 June 2025 Saturday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature11.9 ° C
(53.4°F)
High temperature27.6 ° C
(81.7°F)
Avg. temperature19.8 ° C
(67.7°F)
Humidity% 69
Chance of rain86%
UV Index2.7
Sun PositionSunrise:05:21 AM
Sunset: 09:08 PM
Moon PositionMoonrise:No moonrise
Moonset: 08:11 AM
Moon Phase
( Waning Gibbous )
15 June 2025 Sunday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature13.2 ° C
(55.7°F)
High temperature26 ° C
(78.8°F)
Avg. temperature19.4 ° C
(66.9°F)
Humidity% 64
Chance of rain83%
UV Index0
Sun PositionSunrise:05:21 AM
Sunset: 09:09 PM
Moon PositionMoonrise:12:09 AM
Moonset: 09:26 AM
Moon Phase
( Waning Gibbous )
16 June 2025 Monday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature13.4 ° C
(56.1°F)
High temperature24.6 ° C
(76.4°F)
Avg. temperature18.8 ° C
(65.8°F)
Humidity% 63
Chance of rain87%
UV Index4
Sun PositionSunrise:05:21 AM
Sunset: 09:09 PM
Moon PositionMoonrise:12:32 AM
Moonset: 10:41 AM
Moon Phase
( Waning Gibbous )
17 June 2025 Tuesday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature15 ° C
(59°F)
High temperature27.4 ° C
(81.4°F)
Avg. temperature20.5 ° C
(69°F)
Humidity% 58
Chance of rain65%
UV Index5
Sun PositionSunrise:05:21 AM
Sunset: 09:10 PM
Moon PositionMoonrise:12:52 AM
Moonset: 11:57 AM
Moon Phase
( Waning Gibbous )
18 June 2025 Wednesday
Weather forecastSunny Sunny
Low temperature17.2 ° C
(63°F)
High temperature31.6 ° C
(88.9°F)
Avg. temperature23.9 ° C
(75°F)
Humidity% 47
Chance of rain0%
UV Index6
Sun PositionSunrise:05:21 AM
Sunset: 09:10 PM
Moon PositionMoonrise:01:10 AM
Moonset: 01:13 PM
Moon Phase
( Last Quarter )
19 June 2025 Thursday
Weather forecastSunny Sunny
Low temperature17.1 ° C
(62.7°F)
High temperature25.4 ° C
(77.7°F)
Avg. temperature21 ° C
(69.7°F)
Humidity% 41
Chance of rain0%
UV Index6
Sun PositionSunrise:05:22 AM
Sunset: 09:10 PM
Moon PositionMoonrise:01:28 AM
Moonset: 02:31 PM
Moon Phase
( Waning Crescent )
20 June 2025 Friday
Weather forecastSunny Sunny
Low temperature12 ° C
(53.5°F)
High temperature25.6 ° C
(78.1°F)
Avg. temperature18.8 ° C
(65.8°F)
Humidity% 30
Chance of rain0%
UV Index5
Sun PositionSunrise:05:22 AM
Sunset: 09:10 PM
Moon PositionMoonrise:01:46 AM
Moonset: 03:52 PM
Moon Phase
( Waning Crescent )
21 June 2025 Saturday
Weather forecastSunny Sunny
Low temperature12.2 ° C
(54°F)
High temperature26.2 ° C
(79.1°F)
Avg. temperature19.1 ° C
(66.3°F)
Humidity% 38
Chance of rain0%
UV Index5
Sun PositionSunrise:05:22 AM
Sunset: 09:11 PM
Moon PositionMoonrise:02:07 AM
Moonset: 05:16 PM
Moon Phase
( Waning Crescent )
22 June 2025 Sunday
Weather forecastSunny Sunny
Low temperature14.1 ° C
(57.4°F)
High temperature31.4 ° C
(88.5°F)
Avg. temperature22.9 ° C
(73.3°F)
Humidity% 31
Chance of rain0%
UV Index6
Sun PositionSunrise:05:22 AM
Sunset: 09:11 PM
Moon PositionMoonrise:02:34 AM
Moonset: 06:42 PM
Moon Phase
( Waning Crescent )
23 June 2025 Monday
Weather forecastSunny Sunny
Low temperature17.4 ° C
(63.4°F)
High temperature34.1 ° C
(93.4°F)
Avg. temperature25.2 ° C
(77.4°F)
Humidity% 28
Chance of rain0%
UV Index7
Sun PositionSunrise:05:23 AM
Sunset: 09:11 PM
Moon PositionMoonrise:03:11 AM
Moonset: 08:05 PM
Moon Phase
( Waning Crescent )
24 June 2025 Tuesday
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature15.4 ° C
(59.7°F)
High temperature27.8 ° C
(82°F)
Avg. temperature20.1 ° C
(68.2°F)
Humidity% 35
Chance of rain87%
UV Index5
Sun PositionSunrise:05:23 AM
Sunset: 09:11 PM
Moon PositionMoonrise:03:59 AM
Moonset: 09:16 PM
Moon Phase
( Waning Crescent )
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
11 June 2025 Wednesday Moderate rain Moderate rain 13.3 ° C
(55.9°F)
28.8 ° C
(83.8°F)
20.2 ° C
(68.3°F)
% 61 73% 2 Sunrise:05:22 AM
Sunset: 09:07 PM
Moonrise:10:16 PM
Moonset: 05:01 AM
Moon Phase
( Full Moon )
12 June 2025 Thursday Patchy rain nearby Patchy rain nearby 13.5 ° C
(56.3°F)
26.5 ° C
(79.7°F)
19 ° C
(66.1°F)
% 72 88% 0.9 Sunrise:05:21 AM
Sunset: 09:07 PM
Moonrise:11:03 PM
Moonset: 05:55 AM
Moon Phase
( Waning Gibbous )
13 June 2025 Friday Partly Cloudy  Partly Cloudy 11 ° C
(51.8°F)
23 ° C
(73.4°F)
16.4 ° C
(61.6°F)
% 78 0% 2.5 Sunrise:05:21 AM
Sunset: 09:08 PM
Moonrise:11:41 PM
Moonset: 06:59 AM
Moon Phase
( Waning Gibbous )
14 June 2025 Saturday Patchy rain nearby Patchy rain nearby 11.9 ° C
(53.4°F)
27.6 ° C
(81.7°F)
19.8 ° C
(67.7°F)
% 69 86% 2.7 Sunrise:05:21 AM
Sunset: 09:08 PM
Moonrise:No moonrise
Moonset: 08:11 AM
Moon Phase
( Waning Gibbous )
15 June 2025 Sunday Patchy rain nearby Patchy rain nearby 13.2 ° C
(55.7°F)
26 ° C
(78.8°F)
19.4 ° C
(66.9°F)
% 64 83% 0 Sunrise:05:21 AM
Sunset: 09:09 PM
Moonrise:12:09 AM
Moonset: 09:26 AM
Moon Phase
( Waning Gibbous )
16 June 2025 Monday Patchy rain nearby Patchy rain nearby 13.4 ° C
(56.1°F)
24.6 ° C
(76.4°F)
18.8 ° C
(65.8°F)
% 63 87% 4 Sunrise:05:21 AM
Sunset: 09:09 PM
Moonrise:12:32 AM
Moonset: 10:41 AM
Moon Phase
( Waning Gibbous )
17 June 2025 Tuesday Patchy rain nearby Patchy rain nearby 15 ° C
(59°F)
27.4 ° C
(81.4°F)
20.5 ° C
(69°F)
% 58 65% 5 Sunrise:05:21 AM
Sunset: 09:10 PM
Moonrise:12:52 AM
Moonset: 11:57 AM
Moon Phase
( Waning Gibbous )
18 June 2025 Wednesday Sunny Sunny 17.2 ° C
(63°F)
31.6 ° C
(88.9°F)
23.9 ° C
(75°F)
% 47 0% 6 Sunrise:05:21 AM
Sunset: 09:10 PM
Moonrise:01:10 AM
Moonset: 01:13 PM
Moon Phase
( Last Quarter )
19 June 2025 Thursday Sunny Sunny 17.1 ° C
(62.7°F)
25.4 ° C
(77.7°F)
21 ° C
(69.7°F)
% 41 0% 6 Sunrise:05:22 AM
Sunset: 09:10 PM
Moonrise:01:28 AM
Moonset: 02:31 PM
Moon Phase
( Waning Crescent )
20 June 2025 Friday Sunny Sunny 12 ° C
(53.5°F)
25.6 ° C
(78.1°F)
18.8 ° C
(65.8°F)
% 30 0% 5 Sunrise:05:22 AM
Sunset: 09:10 PM
Moonrise:01:46 AM
Moonset: 03:52 PM
Moon Phase
( Waning Crescent )
21 June 2025 Saturday Sunny Sunny 12.2 ° C
(54°F)
26.2 ° C
(79.1°F)
19.1 ° C
(66.3°F)
% 38 0% 5 Sunrise:05:22 AM
Sunset: 09:11 PM
Moonrise:02:07 AM
Moonset: 05:16 PM
Moon Phase
( Waning Crescent )
22 June 2025 Sunday Sunny Sunny 14.1 ° C
(57.4°F)
31.4 ° C
(88.5°F)
22.9 ° C
(73.3°F)
% 31 0% 6 Sunrise:05:22 AM
Sunset: 09:11 PM
Moonrise:02:34 AM
Moonset: 06:42 PM
Moon Phase
( Waning Crescent )
23 June 2025 Monday Sunny Sunny 17.4 ° C
(63.4°F)
34.1 ° C
(93.4°F)
25.2 ° C
(77.4°F)
% 28 0% 7 Sunrise:05:23 AM
Sunset: 09:11 PM
Moonrise:03:11 AM
Moonset: 08:05 PM
Moon Phase
( Waning Crescent )
24 June 2025 Tuesday Patchy rain nearby Patchy rain nearby 15.4 ° C
(59.7°F)
27.8 ° C
(82°F)
20.1 ° C
(68.2°F)
% 35 87% 5 Sunrise:05:23 AM
Sunset: 09:11 PM
Moonrise:03:59 AM
Moonset: 09:16 PM
Moon Phase
( Waning Crescent )
Roundup Weather forecasts are usually fully updated every 4 hours.
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