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Sun River MT Weather - Overcast - 65°F
Overcast
65°F
Updated 3:44 pm
Feels Like 61°F
Humidity 58%
Wind NW 7 mph
Barometer  30.01 in
Dew Point 50°F
Sun River MT Weather - Overcast - 18°C
Overcast
18°C
Updated 3:44 pm
Feels Like 16°C
Humidity 58%
Wind NW 11 km/h
Barometer  101.6 kPa
Dew Point 10°C
Sun River, MT Weather and Current Conditionssun river mt weather forecast

Sun River, MT Weather Forecast

Sun River Montana WeatherSun River, Montana Weather Weather Forecast
14 day API Sun River, MT weather forecast. Note. Our 7-day weather forecast for Sun River, Montana is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Sun River, MT Weather Forecast Dated: 344 PM Sun Sep 06 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Sunday, September 6, 2026

Mid-Morning
Sun River Weather - 2026-09-06 - Morning - Drizzle
57°F 14°C
Drizzle
Mid-Afternoon
Sun River Weather - 2026-09-06 - Afternoon - Drizzle
63°F 17°C
Drizzle
Early-Evening
Sun River Weather - 2026-09-06 - Evening - Drizzle
58°F 15°C
Drizzle
Refreshing around 63°F 17°C, rounds of showers expected off and on all day, with steady humidity and barometric pressure falling. Winds picking up from E at 6 mph 9 km/h to NW at 14 mph 22 km/h. Gusts up to 20 mph 32 km/h.

Monday, September 7, 2026

Mid-Morning
Sun River Weather - 2026-09-07 - Morning - Light Showers
55°F 13°C
Light Showers
Mid-Afternoon
Sun River Weather - 2026-09-07 - Afternoon - Light Showers
58°F 14°C
Light Showers
Early-Evening
Sun River Weather - 2026-09-07 - Evening - Overcast
57°F 14°C
Overcast
Mildly cool near 58°F 14°C, showers lingering into the afternoon before clearing, with lower humidity and steady pressure. Winds building from SW at 3 mph 4 km/h to WSW at 16 mph 25 km/h. Gusts up to 24 mph 39 km/h.

Tuesday, September 8, 2026

Mid-Morning
Sun River Weather - 2026-09-08 - Morning - Partly Cloudy
54°F 12°C
Partly Cloudy
Mid-Afternoon
Sun River Weather - 2026-09-08 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
Sun River Weather - 2026-09-08 - Evening - Cloudy
62°F 17°C
Cloudy
Comfortable at 61°F 16°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the WSW to the WNW at 8 mph 14 km/h.

Wednesday, September 9, 2026

Mid-Morning
Sun River Weather - 2026-09-09 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Sun River Weather - 2026-09-09 - Afternoon - Sunny
78°F 25°C
Sunny
Early-Evening
Sun River Weather - 2026-09-09 - Evening - Sunny
71°F 22°C
Sunny
Mild temperatures up to 78°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds out of the W at 18 mph 28 km/h.

Thursday, September 10, 2026

Mid-Morning
Sun River Weather - 2026-09-10 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Sun River Weather - 2026-09-10 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Sun River Weather - 2026-09-10 - Evening - Partly Cloudy
74°F 24°C
Partly Cloudy
Very warm with a high of 82°F 28°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SW to the WNW at 12 mph 18 km/h.

Friday, September 11, 2026

Mid-Morning
Sun River Weather - 2026-09-11 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Sun River Weather - 2026-09-11 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
Sun River Weather - 2026-09-11 - Evening - Sunny
61°F 16°C
Sunny
Mildly cool near 65°F 18°C, overcast through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds turning from the NE to the N at 10 mph 16 km/h.

Saturday, September 12, 2026

Mid-Morning
Sun River Weather - 2026-09-12 - Morning - Partly Cloudy
52°F 11°C
Partly Cloudy
Mid-Afternoon
Sun River Weather - 2026-09-12 - Afternoon - Scattered Showers
60°F 16°C
Scattered Showers
Early-Evening
Sun River Weather - 2026-09-12 - Evening - Light Showers
51°F 11°C
Light Showers
Comfortable at 60°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds picking up from NNE at 4 mph 7 km/h to N at 16 mph 25 km/h. Gusts up to 25 mph 40 km/h.

Sunday, September 13, 2026

Mid-Morning
Sun River Weather - 2026-09-13 - Morning - Overcast
51°F 11°C
Overcast
Mid-Afternoon
Sun River Weather - 2026-09-13 - Afternoon - Scattered Showers
62°F 17°C
Scattered Showers
Early-Evening
Sun River Weather - 2026-09-13 - Evening - Scattered Showers
56°F 13°C
Scattered Showers
Cool with a high near 62°F 17°C, scattered downpours possible, with lower humidity and steady pressure. Winds building from NW at 2 mph 3 km/h to SSW at 14 mph 23 km/h. Gusts up to 21 mph 34 km/h.

Monday, September 14, 2026

Mid-Morning
Sun River Weather - 2026-09-14 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Sun River Weather - 2026-09-14 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Sun River Weather - 2026-09-14 - Evening - Sunny
65°F 18°C
Sunny
Mild temperatures up to 72°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the SW to the WNW at 10 mph 16 km/h.

Tuesday, September 15, 2026

Mid-Morning
Sun River Weather - 2026-09-15 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Sun River Weather - 2026-09-15 - Afternoon - Sunny
69°F 20°C
Sunny
Early-Evening
Sun River Weather - 2026-09-15 - Evening - Scattered Showers
58°F 15°C
Scattered Showers
Mild with a high of 69°F 20°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure rising. Winds picking up from NW at 5 mph 8 km/h to N at 17 mph 27 km/h. Gusts up to 20 mph 32 km/h.

Wednesday, September 16, 2026

Mid-Morning
Sun River Weather - 2026-09-16 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Sun River Weather - 2026-09-16 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Sun River Weather - 2026-09-16 - Evening - Sunny
65°F 18°C
Sunny
Pleasant near 69°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Thursday, September 17, 2026

Mid-Morning
Sun River Weather - 2026-09-17 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Sun River Weather - 2026-09-17 - Afternoon - Overcast
80°F 26°C
Overcast
Early-Evening
Sun River Weather - 2026-09-17 - Evening - Overcast
70°F 21°C
Overcast
Balmy with temperatures reaching 80°F 26°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSW to the NNW at 10 mph 15 km/h.

Friday, September 18, 2026

Mid-Morning
Sun River Weather - 2026-09-18 - Morning - Scattered Showers
46°F 8°C
Scattered Showers
Mid-Afternoon
Sun River Weather - 2026-09-18 - Afternoon - Overcast
44°F 6°C
Overcast
Early-Evening
Sun River Weather - 2026-09-18 - Evening - Scattered Showers
43°F 6°C
Scattered Showers
Nippy around 44°F 6°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds switching from the N to the NW at 12 mph 19 km/h.

Saturday, September 19, 2026

Mid-Morning
Sun River Weather - 2026-09-19 - Morning - Cloudy
40°F 5°C
Cloudy
Mid-Afternoon
Sun River Weather - 2026-09-19 - Afternoon - Sunny
56°F 13°C
Sunny
Early-Evening
Sun River Weather - 2026-09-19 - Evening - Sunny
52°F 11°C
Sunny
Cool and brisk at 56°F 13°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the NW to the SSE at 5 mph 8 km/h.

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Weather by the Numbers

Sun, 6th
Sun River MT Weather - Sunday, Sep 6, 2026 - Light Drizzle
Hi: 64°F 18°C
Lo: 53°F 12°C
Sunrise 06:53 AM
Sunset 07:57 PM
Wind SSE 2 mph3 km/h
Dew Point 52°F11°C
uv Index 2
Barometric Pressure 29.94 in1014 mb
POP 35% *
Humidity 71%
Mon, 7th
Sun River MT Weather - Monday, Sep 7, 2026 - Light Rain Shower
Hi: 61°F 16°C
Lo: 54°F 12°C
Sunrise 06:54 AM
Sunset 07:55 PM
Wind W 15 mph24 km/h
Dew Point 46°F8°C
uv Index 3
Barometric Pressure 29.8 in1009 mb
POP 57% *
Humidity 67%
Tue, 8th
Sun River MT Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 66°F 19°C
Lo: 51°F 10°C
Sunrise 06:55 AM
Sunset 07:53 PM
Wind NW 15 mph23 km/h
Dew Point 41°F5°C
uv Index 2
Barometric Pressure 30.12 in1020 mb
POP 13% *
Humidity 52%
Wed, 9th
Sun River MT Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 79°F 26°C
Lo: 47°F 9°C
Sunrise 06:57 AM
Sunset 07:51 PM
Wind WSW 15 mph24 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 0% *
Humidity 25%
Thu, 10th
Sun River MT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 82°F 28°C
Lo: 60°F 16°C
Sunrise 06:58 AM
Sunset 07:49 PM
Wind WSW 20 mph33 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 0% *
Humidity 17%
Fri, 11th
Sun River MT Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 65°F 18°C
Lo: 50°F 10°C
Sunrise 06:59 AM
Sunset 07:47 PM
Wind ENE 6 mph10 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 13% *
Humidity 43%
Sat, 12th
Sun River MT Weather - Saturday, Sep 12, 2026 - Patchy Rain Nearby
Hi: 60°F 16°C
Lo: 48°F 9°C
Sunrise 07:01 AM
Sunset 07:45 PM
Wind NE 11 mph18 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 29.83 in1010 mb
POP 16% *
Humidity 58%
Sun, 13th
Sun River MT Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 62°F 17°C
Lo: 49°F 9°C
Sunrise 07:02 AM
Sunset 07:43 PM
Wind SW 6 mph10 km/h
Dew Point 46°F8°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 7% *
Humidity 68%
Mon, 14th
Sun River MT Weather - Monday, Sep 14, 2026 - Sunny
Hi: 72°F 22°C
Lo: 45°F 7°C
Sunrise 07:04 AM
Sunset 07:41 PM
Wind SW 15 mph24 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 40%
Tue, 15th
Sun River MT Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 69°F 20°C
Lo: 51°F 11°C
Sunrise 07:05 AM
Sunset 07:39 PM
Wind NNW 7 mph12 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 11% *
Humidity 48%
Wed, 16th
Sun River MT Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 70°F 21°C
Lo: 49°F 9°C
Sunrise 07:06 AM
Sunset 07:37 PM
Wind SSE 6 mph10 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 3% *
Humidity 55%
Thu, 17th
Sun River MT Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 80°F 26°C
Lo: 55°F 13°C
Sunrise 07:08 AM
Sunset 07:35 PM
Wind WSW 11 mph18 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 29.74 in1007 mb
POP 8% *
Humidity 28%
Fri, 18th
Sun River MT Weather - Friday, Sep 18, 2026 - Patchy Rain Nearby
Hi: 52°F 11°C
Lo: 41°F 5°C
Sunrise 07:09 AM
Sunset 07:33 PM
Wind N 15 mph24 km/h
Dew Point 37°F3°C
uv Index 2
Barometric Pressure 30.09 in1019 mb
POP 27% *
Humidity 73%
Sat, 19th
Sun River MT Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 57°F 14°C
Lo: 37°F 3°C
Sunrise 07:10 AM
Sunset 07:31 PM
Wind SSW 7 mph12 km/h
Dew Point 28°F-2°C
uv Index 3
Barometric Pressure 30.27 in1025 mb
POP 2% *
Humidity 48%
* POP = Probability of Precipitation. Data for 12:00 PM.