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Current weather in Rocky Boy's Agency is clear sky.

Where can I find the hourly weather forecast for Rocky Boy's Agency?

This page shows hourly weather forecast for Rocky Boy's Agency, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Rocky Boy's Agency updated regularly?

Weather data for Rocky Boy's Agency is updated regularly with the latest available observations and forecasts.

Now · 1:55 AM

Rocky Boy's Agency Weather & Hourly Forecast

United States · Montana · 59521

47°F

Clear night

Feels like: 41°F

💧 Humidity 80% 🌡 Pressure 30.06 inHg 💨 Wind 7 mph 👁 Visibility 25.6 mi ☁ Clouds 3% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Weather Forecast for Rocky Boy's Agency

Today

2:00 AM

Clear night

46° 💧 None 💨 6 mph H 79%30.06 inHg

5:00 AM

Clear night

47° 💧 None 💨 9 mph H 72%30.00 inHg

8:00 AM

Sunny

50° 💧 None 💨 11 mph H 67%29.97 inHg

11:00 AM

Sunny

59° 💧 None 💨 12 mph H 49%29.88 inHg

2:00 PM

Partly cloudy

65° 💧 0.000 in 💨 14 mph H 42%29.77 inHg

5:00 PM

Sunny

65° 💧 None 💨 9 mph H 45%29.74 inHg

8:00 PM

Partly cloudy night

57° 💧 0.031 in 💨 6 mph H 60%29.71 inHg

11:00 PM

Light rain

52° 💧 0.093 in 💨 5 mph H 94%29.83 inHg

Tomorrow

2:00 AM

Partly cloudy night

48° 💧 0.009 in 💨 7 mph H 88%29.80 inHg

5:00 AM

Overcast night

46° 💧 None 💨 9 mph H 77%29.83 inHg

8:00 AM

Sunny

46° 💧 None 💨 11 mph H 72%29.80 inHg

11:00 AM

Partly cloudy

54° 💧 0.005 in 💨 16 mph H 53%29.77 inHg

2:00 PM

Light rain

54° 💧 0.065 in 💨 17 mph H 70%29.80 inHg

5:00 PM

Light rain

51° 💧 0.012 in 💨 16 mph H 78%29.91 inHg

8:00 PM

Mostly clear night

51° 💧 0.001 in 💨 8 mph H 75%29.97 inHg

11:00 PM

Partly cloudy night

48° 💧 None 💨 2 mph H 78%30.03 inHg

Today

2:00 AM

Clear night

46° 💧 None 💨 6 mph H 79%30.06 inHg

3:00 AM

Clear night

46° 💧 None 💨 7 mph H 77%30.03 inHg

4:00 AM

Clear night

47° 💧 None 💨 8 mph H 74%30.03 inHg

5:00 AM

Clear night

47° 💧 None 💨 9 mph H 72%30.00 inHg

6:00 AM

Clear night

47° 💧 None 💨 8 mph H 72%30.00 inHg

7:00 AM

Sunny

47° 💧 None 💨 10 mph H 73%30.00 inHg

8:00 AM

Sunny

50° 💧 None 💨 11 mph H 67%29.97 inHg

9:00 AM

Mostly sunny

53° 💧 None 💨 10 mph H 60%29.94 inHg

10:00 AM

Sunny

57° 💧 None 💨 11 mph H 53%29.91 inHg

11:00 AM

Sunny

59° 💧 None 💨 12 mph H 49%29.88 inHg

12:00 PM

Sunny

61° 💧 None 💨 14 mph H 46%29.85 inHg

1:00 PM

Sunny

63° 💧 None 💨 15 mph H 43%29.83 inHg

2:00 PM

Partly cloudy

65° 💧 None 💨 14 mph H 42%29.77 inHg

3:00 PM

Partly cloudy

64° 💧 0.000 in 💨 15 mph H 48%29.77 inHg

4:00 PM

Sunny

65° 💧 None 💨 10 mph H 47%29.77 inHg

5:00 PM

Sunny

65° 💧 None 💨 9 mph H 45%29.74 inHg

6:00 PM

Sunny

64° 💧 None 💨 9 mph H 46%29.74 inHg

7:00 PM

Mostly sunny

61° 💧 None 💨 7 mph H 52%29.71 inHg

8:00 PM

Partly cloudy night

57° 💧 None 💨 6 mph H 60%29.71 inHg

9:00 PM

Light rain

56° 💧 0.005 in 💨 10 mph H 71%29.74 inHg

10:00 PM

Light rain

54° 💧 0.026 in 💨 6 mph H 90%29.77 inHg

11:00 PM

Light rain

52° 💧 0.084 in 💨 5 mph H 94%29.83 inHg

Tomorrow

12:00 AM

Light rain

52° 💧 0.009 in 💨 6 mph H 95%29.80 inHg

1:00 AM

Mostly clear night

50° 💧 None 💨 7 mph H 93%29.80 inHg

2:00 AM

Partly cloudy night

48° 💧 None 💨 7 mph H 88%29.80 inHg

3:00 AM

Light rain

46° 💧 0.009 in 💨 10 mph H 84%29.83 inHg

4:00 AM

Overcast night

46° 💧 None 💨 8 mph H 80%29.83 inHg

5:00 AM

Overcast night

46° 💧 None 💨 9 mph H 77%29.83 inHg

6:00 AM

Overcast night

45° 💧 None 💨 7 mph H 74%29.83 inHg

7:00 AM

Mostly cloudy

45° 💧 None 💨 8 mph H 72%29.80 inHg

8:00 AM

Sunny

46° 💧 None 💨 11 mph H 72%29.80 inHg

9:00 AM

Mostly sunny

48° 💧 None 💨 11 mph H 67%29.80 inHg

10:00 AM

Partly cloudy

51° 💧 None 💨 12 mph H 60%29.80 inHg

11:00 AM

Partly cloudy

54° 💧 None 💨 16 mph H 53%29.77 inHg

12:00 PM

Mostly cloudy

55° 💧 0.002 in 💨 18 mph H 56%29.77 inHg

1:00 PM

Mostly cloudy

54° 💧 0.003 in 💨 15 mph H 63%29.80 inHg

2:00 PM

Light rain

54° 💧 0.020 in 💨 17 mph H 70%29.80 inHg

3:00 PM

Light rain

53° 💧 0.038 in 💨 19 mph H 75%29.83 inHg

4:00 PM

Light rain

52° 💧 0.007 in 💨 18 mph H 70%29.88 inHg

5:00 PM

Light rain

51° 💧 0.007 in 💨 16 mph H 78%29.91 inHg

6:00 PM

Partly cloudy

53° 💧 0.001 in 💨 13 mph H 69%29.94 inHg

7:00 PM

Partly cloudy

52° 💧 0.003 in 💨 11 mph H 75%29.94 inHg

8:00 PM

Mostly clear night

51° 💧 0.001 in 💨 8 mph H 75%29.97 inHg

9:00 PM

Mostly clear night

49° 💧 None 💨 3 mph H 79%30.00 inHg

10:00 PM

Mostly clear night

48° 💧 None 💨 2 mph H 78%30.03 inHg

11:00 PM

Partly cloudy night

48° 💧 None 💨 2 mph H 78%30.03 inHg

Tuesday

12:00 AM

Partly cloudy night

47° 💧 None 💨 2 mph H 79%30.06 inHg

1:00 AM

Partly cloudy night

47° 💧 None 💨 0 mph H 79%30.06 inHg

2:00 AM

Partly cloudy night

46° 💧 None 💨 0 mph H 80%30.06 inHg

3:00 AM

Partly cloudy night

46° 💧 None 💨 1 mph H 82%30.06 inHg

4:00 AM

Mostly cloudy night

46° 💧 None 💨 1 mph H 81%30.06 inHg

5:00 AM

Mostly clear night

46° 💧 None 💨 1 mph H 80%30.06 inHg

6:00 AM

Mostly clear night

45° 💧 None 💨 2 mph H 81%30.06 inHg

3:00 PM

Overcast

60° 💧 None 💨 6 mph H 47%30.03 inHg

6:00 PM

Mostly cloudy

58° 💧 None 💨 6 mph H 54%30.03 inHg

9:00 PM

Mostly cloudy night

53° 💧 None 💨 11 mph H 64%30.06 inHg

Wednesday

12:00 AM

Light rain

49° 💧 None 💨 9 mph H 84%30.09 inHg

3:00 AM

Moderate rain

47° 💧 None 💨 4 mph H 94%30.12 inHg

6:00 AM

Mostly cloudy night

46° 💧 None 💨 6 mph H 93%30.15 inHg

9:00 AM

Mostly sunny

51° 💧 None 💨 3 mph H 87%30.24 inHg

12:00 PM

Light rain

57° 💧 None 💨 4 mph H 66%30.24 inHg

3:00 PM

Overcast

59° 💧 None 💨 4 mph H 65%30.21 inHg

6:00 PM

Mostly sunny

60° 💧 None 💨 2 mph H 61%30.18 inHg

9:00 PM

Clear night

49° 💧 None 💨 6 mph H 77%30.18 inHg

Thursday

12:00 AM

Clear night

51° 💧 None 💨 11 mph H 72%30.15 inHg

3:00 AM

Clear night

51° 💧 None 💨 10 mph H 75%30.12 inHg

6:00 AM

Clear night

48° 💧 None 💨 5 mph H 82%30.09 inHg

9:00 AM

Sunny

57° 💧 None 💨 2 mph H 75%30.12 inHg

12:00 PM

Sunny

65° 💧 None 💨 3 mph H 57%30.12 inHg

3:00 PM

Sunny

68° 💧 None 💨 8 mph H 56%30.06 inHg

6:00 PM

Partly cloudy

65° 💧 None 💨 8 mph H 61%30.06 inHg

9:00 PM

Mostly clear night

56° 💧 None 💨 6 mph H 77%30.09 inHg

Friday

12:00 AM

Overcast night

55° 💧 None 💨 6 mph H 76%30.09 inHg

3:00 AM

Partly cloudy night

55° 💧 None 💨 5 mph H 79%30.09 inHg

6:00 AM

Clear night

52° 💧 None 💨 6 mph H 90%30.09 inHg

9:00 AM

Sunny

59° 💧 None 💨 4 mph H 83%30.09 inHg

12:00 PM

Overcast

62° 💧 None 💨 0 mph H 72%30.09 inHg

6:00 PM

Sunny

61° 💧 None 💨 7 mph H 53%30.27 inHg

Saturday

12:00 AM

Clear night

60° 💧 None 💨 7 mph H 47%30.24 inHg

6:00 AM

Clear night

49° 💧 None 💨 2 mph H 69%30.27 inHg

12:00 PM

Sunny

46° 💧 None 💨 3 mph H 72%30.27 inHg

6:00 PM

Sunny

63° 💧 None 💨 5 mph H 44%30.24 inHg

Sunday

12:00 AM

Clear night

63° 💧 None 💨 9 mph H 46%30.09 inHg

6:00 AM

Clear night

54° 💧 None 💨 12 mph H 65%30.03 inHg

12:00 PM

Sunny

51° 💧 None 💨 5 mph H 63%29.97 inHg

6:00 PM

Sunny

69° 💧 None 💨 7 mph H 39%30.00 inHg

Monday

12:00 AM

Clear night

69° 💧 None 💨 4 mph H 40%29.94 inHg

6:00 AM

Mostly clear night

58° 💧 None 💨 2 mph H 48%29.97 inHg

12:00 PM

Mostly cloudy

59° 💧 None 💨 0 mph H 41%29.94 inHg

6:00 PM

Partly cloudy

72° 💧 None 💨 2 mph H 30%29.94 inHg

Tuesday

12:00 AM

Overcast night

71° 💧 None 💨 7 mph H 40%29.85 inHg

6:00 AM

Mostly cloudy night

64° 💧 None 💨 15 mph H 49%29.85 inHg

12:00 PM

Overcast

56° 💧 None 💨 2 mph H 77%29.88 inHg

6:00 PM

Mostly sunny

68° 💧 None 💨 3 mph H 53%29.85 inHg

Wednesday

12:00 AM

Overcast night

62° 💧 None 💨 7 mph H 76%29.88 inHg

6:00 AM

Light rain

54° 💧 None 💨 1 mph H 98%29.94 inHg

12:00 PM

Light rain

52° 💧 None 💨 0 mph H 100%29.97 inHg

6:00 PM

Moderate rain

56° 💧 None 💨 4 mph H 95%30.00 inHg

Thursday

12:00 AM

Mostly clear night

57° 💧 None 💨 5 mph H 88%29.97 inHg

6:00 AM

Mostly cloudy night

49° 💧 None 💨 3 mph H 98%30.00 inHg

12:00 PM

Mostly cloudy

53° 💧 None 💨 7 mph H 80%29.94 inHg

6:00 PM

Mostly sunny

67° 💧 None 💨 9 mph H 47%29.94 inHg

Friday

12:00 AM

Mostly clear night

67° 💧 None 💨 6 mph H 45%29.94 inHg

6:00 AM

Mostly clear night

55° 💧 None 💨 3 mph H 56%30.12 inHg

12:00 PM

Sunny

48° 💧 None 💨 4 mph H 70%30.21 inHg

6:00 PM

Partly cloudy

65° 💧 None 💨 8 mph H 48%30.21 inHg

Saturday

12:00 AM

Clear night

66° 💧 None 💨 4 mph H 57%30.15 inHg

6:00 AM

Clear night

56° 💧 None 💨 2 mph H 66%30.18 inHg

12:00 PM

Sunny

55° 💧 None 💨 4 mph H 57%30.24 inHg

6:00 PM

Sunny

66° 💧 None 💨 6 mph H 46%30.33 inHg

Sunday

12:00 AM

Clear night

63° 💧 None 💨 8 mph H 52%30.33 inHg

6:00 AM

Clear night

51° 💧 None 💨 7 mph H 62%30.36 inHg

12:00 PM

Sunny

47° 💧 None 💨 5 mph H 59%30.36 inHg

In Rocky Boy's Agency and, more broadly, across the state of Montana: The evening will be characterized by mostly cloudy skies with temperatures holding steady around 52 degrees. Light east winds will persist, generally blowing at 4 mph with occasional gusts up to 4 mph. No precipitation is expected during these hours, so conditions will remain dry. The cool temperatures and calm wind conditions will likely continue into the night, providing a peaceful end to the day. Temperatures are expected to stay steady, making for a cool but quiet evening.

15-Day Weather Forecast for Rocky Boy's Agency

TomorrowTomorrow

Mostly sunny 64°/45° 💧 None 💨 19 mph

Tuesday, Sep 15Tue Sep 15

Overcast 60°/45° 💧 0.366 in 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 59°/46° 💧 0.348 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 68°/48° 💧 0.002 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Overcast 65°/52° 💧 0.036 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Sunny 61°/46° 💧 None 💨 7 mph

Sunday, Sep 20Sun Sep 20

Sunny 63°/51° 💧 None 💨 12 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 69°/58° 💧 None 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Overcast 72°/56° 💧 0.035 in 💨 15 mph

Wednesday, Sep 23Wed Sep 23

Light rain 68°/52° 💧 0.384 in 💨 7 mph

Thursday, Sep 24Thu Sep 24

Moderate rain 57°/49° 💧 0.606 in 💨 7 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 67°/48° 💧 0.004 in 💨 9 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 66°/55° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Sunny 66°/47° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Hourly Temperature and Weather Conditions in Rocky Boy's Agency

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality in Rocky Boy's Agency

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 0,7µg/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 2,1µg/m³

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

O₃ Ozone Good 47,8µg/m³

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

NO₂ Nitrogen dioxide Good 1,3µg/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

Sun exposure and health risks in Rocky Boy's Agency

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 4,4Moderate 😊Good

Tomorrow UV 1,2Low 🙂Fair

Tuesday UV 4,4Moderate 🙂Fair

Wednesday UV 4,2Moderate 🙂Fair

Thursday UV 6,0High 😊Good

Friday UV 6,0High —Unavailable

Saturday UV 6,0High —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 3,1 12:00 PMUV 4,4 1:00 PMUV 4,0 2:00 PMUV 4,3 3:00 PMUV 3,3 4:00 PMUV 2,5 5:00 PMUV 1,4 6:00 PMUV 0,5

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 Speed in Rocky Boy's Agency

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ROCKY BOY'S AGENCY, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:26 PM–5:05 AM

☁ Cloud cover 2% 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 67° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min78%

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.

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Forecast data for Rocky Boy's Agency were last refreshed today at 7:04 PM. The current forecast period extends through 14/09/2026 at 11:00 PM. 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.