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Current weather in Sun River is clear sky.

Where can I find the hourly weather forecast for Sun River?

This page shows hourly weather forecast for Sun River, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Sun River updated regularly?

Weather data for Sun River is updated regularly with the latest available observations and forecasts.

Now · 6:41 AM

Sun River Weather & Hourly Forecast

United States · Montana · 59483

48°F

Clear night

Feels like: 43°F

💧 Humidity 68% 🌡 Pressure 30.18 inHg 💨 Wind 6 mph 👁 Visibility 24.1 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Sun River

Today

7:00 AM

Sunny

48° 💧 None 💨 6 mph H 68%30.18 inHg

10:00 AM

Sunny

62° 💧 None 💨 11 mph H 44%30.18 inHg

1:00 PM

Sunny

72° 💧 None 💨 13 mph H 30%30.09 inHg

4:00 PM

Sunny

75° 💧 None 💨 14 mph H 25%30.03 inHg

7:00 PM

Sunny

71° 💧 None 💨 10 mph H 28%29.97 inHg

10:00 PM

Clear night

60° 💧 None 💨 7 mph H 46%30.00 inHg

Tomorrow

1:00 AM

Partly cloudy night

60° 💧 None 💨 9 mph H 43%29.94 inHg

4:00 AM

Mostly cloudy night

60° 💧 None 💨 10 mph H 41%29.88 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 10 mph H 37%29.85 inHg

10:00 AM

Mostly cloudy

68° 💧 None 💨 13 mph H 36%29.83 inHg

1:00 PM

Mostly cloudy

78° 💧 None 💨 21 mph H 21%29.74 inHg

4:00 PM

Mostly cloudy

80° 💧 None 💨 17 mph H 24%29.68 inHg

7:00 PM

Mostly cloudy

74° 💧 None 💨 8 mph H 32%29.65 inHg

10:00 PM

Mostly cloudy night

63° 💧 0.000 in 💨 5 mph H 53%29.74 inHg

Friday

1:00 AM

Overcast night

59° 💧 0.125 in 💨 8 mph H 72%29.77 inHg

4:00 AM

Moderate rain

56° 💧 0.553 in 💨 3 mph H 94%29.80 inHg

Today

7:00 AM

Sunny

48° 💧 None 💨 6 mph H 68%30.18 inHg

8:00 AM

Mostly sunny

52° 💧 None 💨 7 mph H 61%30.21 inHg

9:00 AM

Mostly sunny

58° 💧 None 💨 12 mph H 49%30.21 inHg

10:00 AM

Sunny

62° 💧 None 💨 11 mph H 44%30.18 inHg

11:00 AM

Sunny

66° 💧 None 💨 12 mph H 38%30.15 inHg

12:00 PM

Sunny

69° 💧 None 💨 13 mph H 35%30.15 inHg

1:00 PM

Sunny

72° 💧 None 💨 13 mph H 30%30.09 inHg

2:00 PM

Sunny

74° 💧 None 💨 13 mph H 27%30.09 inHg

3:00 PM

Mostly sunny

75° 💧 None 💨 14 mph H 25%30.06 inHg

4:00 PM

Sunny

75° 💧 None 💨 14 mph H 25%30.03 inHg

5:00 PM

Sunny

75° 💧 None 💨 14 mph H 24%30.00 inHg

6:00 PM

Sunny

74° 💧 None 💨 13 mph H 24%29.97 inHg

7:00 PM

Sunny

71° 💧 None 💨 10 mph H 28%29.97 inHg

8:00 PM

Clear night

64° 💧 None 💨 6 mph H 36%30.00 inHg

9:00 PM

Clear night

60° 💧 None 💨 4 mph H 46%30.00 inHg

10:00 PM

Clear night

60° 💧 None 💨 7 mph H 46%30.00 inHg

11:00 PM

Clear night

60° 💧 None 💨 7 mph H 46%29.97 inHg

Tomorrow

12:00 AM

Mostly clear night

60° 💧 None 💨 8 mph H 46%29.94 inHg

1:00 AM

Partly cloudy night

60° 💧 None 💨 9 mph H 43%29.94 inHg

2:00 AM

Partly cloudy night

60° 💧 None 💨 9 mph H 43%29.91 inHg

3:00 AM

Mostly cloudy night

60° 💧 None 💨 10 mph H 42%29.88 inHg

4:00 AM

Mostly cloudy night

60° 💧 None 💨 10 mph H 41%29.88 inHg

5:00 AM

Mostly cloudy night

60° 💧 None 💨 11 mph H 38%29.88 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 11 mph H 35%29.88 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 10 mph H 37%29.85 inHg

8:00 AM

Mostly cloudy

61° 💧 None 💨 10 mph H 38%29.85 inHg

9:00 AM

Mostly cloudy

64° 💧 None 💨 14 mph H 37%29.85 inHg

10:00 AM

Mostly cloudy

68° 💧 None 💨 13 mph H 36%29.83 inHg

11:00 AM

Mostly cloudy

73° 💧 None 💨 16 mph H 30%29.80 inHg

12:00 PM

Mostly cloudy

76° 💧 None 💨 19 mph H 25%29.77 inHg

1:00 PM

Mostly cloudy

78° 💧 None 💨 21 mph H 21%29.74 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 20 mph H 21%29.71 inHg

3:00 PM

Mostly cloudy

80° 💧 None 💨 19 mph H 23%29.68 inHg

4:00 PM

Mostly cloudy

80° 💧 None 💨 17 mph H 24%29.68 inHg

5:00 PM

Mostly cloudy

79° 💧 None 💨 15 mph H 26%29.65 inHg

6:00 PM

Mostly cloudy

78° 💧 None 💨 12 mph H 27%29.65 inHg

7:00 PM

Mostly cloudy

74° 💧 None 💨 8 mph H 32%29.65 inHg

8:00 PM

Mostly cloudy night

68° 💧 None 💨 4 mph H 43%29.68 inHg

9:00 PM

Mostly cloudy night

65° 💧 None 💨 4 mph H 49%29.71 inHg

10:00 PM

Mostly cloudy night

63° 💧 None 💨 5 mph H 53%29.74 inHg

11:00 PM

Overcast night

62° 💧 None 💨 5 mph H 55%29.74 inHg

Friday

12:00 AM

Overcast night

62° 💧 0.000 in 💨 5 mph H 56%29.71 inHg

1:00 AM

Overcast night

59° 💧 0.001 in 💨 8 mph H 72%29.77 inHg

2:00 AM

Light rain

56° 💧 0.028 in 💨 5 mph H 93%29.80 inHg

3:00 AM

Light rain

56° 💧 0.096 in 💨 2 mph H 92%29.77 inHg

4:00 AM

Moderate rain

56° 💧 0.234 in 💨 3 mph H 94%29.80 inHg

5:00 AM

Moderate rain

55° 💧 0.143 in 💨 6 mph H 97%29.80 inHg

6:00 AM

Thunderstorms

54° 💧 0.175 in 💨 3 mph H 97%29.83 inHg

7:00 AM

Light rain

53° 💧 0.046 in 💨 5 mph H 97%29.83 inHg

8:00 AM

Light rain

53° 💧 0.010 in 💨 4 mph H 97%29.83 inHg

9:00 AM

Partly cloudy

54° 💧 0.003 in 💨 3 mph H 93%29.85 inHg

10:00 AM

Light rain

56° 💧 0.005 in 💨 3 mph H 86%29.85 inHg

11:00 AM

Light rain

58° 💧 0.005 in 💨 2 mph H 78%29.85 inHg

12:00 PM

Light rain

59° 💧 0.012 in 💨 3 mph H 72%29.85 inHg

1:00 PM

Thunderstorms

54° 💧 0.144 in 💨 14 mph H 82%29.91 inHg

2:00 PM

Light rain

57° 💧 0.026 in 💨 16 mph H 58%29.94 inHg

3:00 PM

Mostly cloudy

57° 💧 None 💨 10 mph H 55%29.97 inHg

4:00 PM

Mostly cloudy

58° 💧 None 💨 7 mph H 53%29.97 inHg

5:00 PM

Partly cloudy

58° 💧 None 💨 7 mph H 53%29.94 inHg

6:00 PM

Mostly cloudy

57° 💧 None 💨 6 mph H 54%29.97 inHg

Saturday

3:00 AM

Overcast night

49° 💧 None 💨 6 mph H 72%30.09 inHg

6:00 AM

Overcast night

48° 💧 None 💨 6 mph H 76%30.09 inHg

9:00 AM

Light rain

48° 💧 None 💨 7 mph H 81%30.09 inHg

12:00 PM

Overcast

50° 💧 None 💨 8 mph H 78%30.06 inHg

3:00 PM

Overcast

56° 💧 None 💨 11 mph H 64%29.97 inHg

6:00 PM

Overcast

56° 💧 None 💨 13 mph H 61%29.88 inHg

9:00 PM

Light rain

50° 💧 None 💨 14 mph H 88%29.91 inHg

Sunday

12:00 AM

Light rain

48° 💧 None 💨 14 mph H 93%29.91 inHg

3:00 AM

Light rain

47° 💧 None 💨 16 mph H 93%29.88 inHg

6:00 AM

Light rain

46° 💧 None 💨 17 mph H 95%29.85 inHg

9:00 AM

Moderate rain

46° 💧 None 💨 15 mph H 96%29.88 inHg

12:00 PM

Moderate rain

47° 💧 None 💨 16 mph H 92%29.88 inHg

3:00 PM

Light rain

46° 💧 None 💨 11 mph H 91%29.97 inHg

6:00 PM

Light rain

45° 💧 None 💨 9 mph H 93%30.06 inHg

9:00 PM

Overcast night

42° 💧 None 💨 7 mph H 92%30.15 inHg

Monday

12:00 AM

Overcast night

42° 💧 None 💨 4 mph H 90%30.18 inHg

3:00 AM

Overcast night

41° 💧 None 💨 3 mph H 94%30.15 inHg

6:00 AM

Clear night

38° 💧 None 💨 1 mph H 96%30.12 inHg

9:00 AM

Mostly sunny

44° 💧 None 💨 4 mph H 82%30.15 inHg

12:00 PM

Sunny

57° 💧 None 💨 8 mph H 48%30.09 inHg

3:00 PM

Sunny

62° 💧 None 💨 8 mph H 36%30.03 inHg

6:00 PM

Sunny

61° 💧 None 💨 7 mph H 35%30.03 inHg

9:00 PM

Clear night

51° 💧 None 💨 1 mph H 57%30.06 inHg

Tuesday

12:00 AM

Clear night

47° 💧 None 💨 0 mph H 60%30.06 inHg

6:00 AM

Clear night

47° 💧 None 💨 1 mph H 65%30.06 inHg

12:00 PM

Sunny

37° 💧 None 💨 1 mph H 88%30.03 inHg

6:00 PM

Mostly sunny

62° 💧 None 💨 4 mph H 42%29.91 inHg

Wednesday

12:00 AM

Mostly clear night

70° 💧 None 💨 7 mph H 31%29.80 inHg

6:00 AM

Partly cloudy night

49° 💧 None 💨 4 mph H 68%29.85 inHg

12:00 PM

Partly cloudy

42° 💧 None 💨 2 mph H 84%29.88 inHg

6:00 PM

Partly cloudy

66° 💧 None 💨 8 mph H 42%29.88 inHg

Thursday

12:00 AM

Overcast night

60° 💧 None 💨 8 mph H 60%29.97 inHg

6:00 AM

Light rain

48° 💧 None 💨 10 mph H 91%30.21 inHg

12:00 PM

Light rain

45° 💧 None 💨 6 mph H 94%30.30 inHg

6:00 PM

Overcast

50° 💧 None 💨 4 mph H 74%30.27 inHg

Friday

12:00 AM

Clear night

59° 💧 None 💨 3 mph H 58%30.09 inHg

6:00 AM

Clear night

44° 💧 None 💨 3 mph H 92%30.06 inHg

12:00 PM

Overcast

39° 💧 None 💨 2 mph H 100%30.00 inHg

6:00 PM

Mostly sunny

56° 💧 None 💨 3 mph H 72%29.85 inHg

Saturday

12:00 AM

Mostly cloudy night

60° 💧 None 💨 10 mph H 81%29.80 inHg

6:00 AM

Overcast night

53° 💧 None 💨 12 mph H 61%29.85 inHg

12:00 PM

Mostly sunny

54° 💧 None 💨 16 mph H 61%29.91 inHg

6:00 PM

Sunny

64° 💧 None 💨 13 mph H 41%29.94 inHg

Sunday

12:00 AM

Mostly clear night

67° 💧 None 💨 5 mph H 39%29.83 inHg

6:00 AM

Clear night

48° 💧 None 💨 1 mph H 75%29.88 inHg

12:00 PM

Sunny

41° 💧 None 💨 4 mph H 86%29.88 inHg

6:00 PM

Sunny

62° 💧 None 💨 1 mph H 47%29.85 inHg

Monday

12:00 AM

Mostly cloudy night

66° 💧 None 💨 6 mph H 38%29.74 inHg

6:00 AM

Mostly cloudy night

51° 💧 None 💨 3 mph H 67%29.77 inHg

12:00 PM

Overcast

53° 💧 None 💨 5 mph H 53%29.80 inHg

6:00 PM

Mostly cloudy

61° 💧 None 💨 1 mph H 42%29.85 inHg

Tuesday

12:00 AM

Overcast night

60° 💧 None 💨 6 mph H 42%29.94 inHg

6:00 AM

Mostly cloudy night

48° 💧 None 💨 8 mph H 75%30.24 inHg

12:00 PM

Overcast

48° 💧 None 💨 9 mph H 79%30.36 inHg

6:00 PM

Partly cloudy

56° 💧 None 💨 7 mph H 55%30.39 inHg

Wednesday

12:00 AM

Clear night

64° 💧 None 💨 8 mph H 41%30.18 inHg

6:00 AM

Clear night

52° 💧 None 💨 7 mph H 60%30.18 inHg

12:00 PM

Sunny

46° 💧 None 💨 2 mph H 73%30.18 inHg

6:00 PM

Mostly sunny

63° 💧 None 💨 3 mph H 47%30.15 inHg

Thursday

12:00 AM

Clear night

66° 💧 None 💨 6 mph H 47%30.00 inHg

In Sun River and, more broadly, across the state of Montana: This morning, clear skies will bring mild temperatures ranging from 44 to 70 degrees Fahrenheit. Winds will be coming from the west at a moderate pace, with speeds reaching up to 16 mph and gusts up to 34 mph. In the afternoon, expect continued clear skies and mild temperatures, similar to the morning. Winds may remain steady, maintaining a westerly direction, though gusts could still reach around 34 mph. No precipitation is anticipated throughout the day, providing a dry and calm weather pattern. Overall, conditions will be favorable for outdoor activities, with a gentle breeze and comfortable temperatures.

15-Day Weather Outlook for Sun River

TomorrowTomorrow

Mostly sunny 80°/60° 💧 None 💨 21 mph

Friday, Sep 11Fri Sep 11

Thunderstorms 78°/53° 💧 None 💨 16 mph

Saturday, Sep 12Sat Sep 12

Light rain 57°/48° 💧 0.753 in 💨 11 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 56°/46° 💧 0.636 in 💨 17 mph

Monday, Sep 14Mon Sep 14

Light rain 62°/38° 💧 0.077 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Sunny 61°/37° 💧 0.328 in 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 70°/42° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 66°/45° 💧 0.356 in 💨 10 mph

Friday, Sep 18Fri Sep 18

Overcast 59°/39° 💧 0.005 in 💨 4 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 60°/53° 💧 0.342 in 💨 16 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 67°/41° 💧 None 💨 13 mph

Monday, Sep 21Mon Sep 21

Mostly cloudy 66°/51° 💧 None 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 61°/48° 💧 0.011 in 💨 9 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 64°/46° 💧 0.001 in 💨 8 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 66°/63° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sun River

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sun River

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 0,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 0,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 32,0µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 4,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Sun River

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,4Moderate 😊Good

Tomorrow UV 4,7Moderate 😐Moderate

Friday UV 2,7Low 🙂Fair

Saturday UV 2,9Low 🙂Fair

Sunday UV 2,0Low 😊Good

Monday UV 5,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,8 10:00 AMUV 1,9 11:00 AMUV 3,2 12:00 PMUV 4,6 1:00 PMUV 5,4 2:00 PMUV 5,4 3:00 PMUV 4,6 4:00 PMUV 3,3 5:00 PMUV 1,9 6:00 PMUV 0,8

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Sun River

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SUN RIVER, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

97/100Best-hour score

BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 9:39 PM–5:10 AM

☁ Cloud cover 4% Real hourly forecast for the best viewing hour.

☾ Moonlight 3% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 17° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min38%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Sun River were last refreshed today at 6:40 AM. The current forecast period extends through 11/09/2026 at 4:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.