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Current weather in St. Pierre is broken clouds.

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Weather data for St. Pierre is updated regularly with the latest available observations and forecasts.

Now · 7:31 AM

St. Pierre Weather & Hourly Forecast

United States · Montana · 59521

58°F

Mostly cloudy

Feels like: 56°F

💧 Humidity 59% 🌡 Pressure 29.91 inHg 💨 Wind 2 mph 👁 Visibility 32.2 mi ☁ Clouds 87% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:06 AM 🌇 Sunset 7:16 PM

Hourly Forecast for St. Pierre

Today

8:00 AM

Mostly cloudy

58° 💧 None 💨 2 mph H 59%29.91 inHg

11:00 AM

Mostly cloudy

66° 💧 None 💨 6 mph H 42%29.97 inHg

2:00 PM

Sunny

71° 💧 None 💨 9 mph H 31%29.97 inHg

5:00 PM

Sunny

72° 💧 None 💨 7 mph H 31%29.94 inHg

8:00 PM

Mostly clear night

62° 💧 None 💨 1 mph H 47%29.97 inHg

11:00 PM

Partly cloudy night

60° 💧 None 💨 1 mph H 47%30.00 inHg

Tomorrow

2:00 AM

Clear night

59° 💧 None 💨 1 mph H 47%30.00 inHg

5:00 AM

Clear night

58° 💧 None 💨 0 mph H 48%30.03 inHg

8:00 AM

Sunny

60° 💧 None 💨 1 mph H 45%30.03 inHg

11:00 AM

Sunny

72° 💧 None 💨 4 mph H 27%30.03 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 9 mph H 25%29.97 inHg

5:00 PM

Mostly sunny

76° 💧 None 💨 9 mph H 27%29.94 inHg

8:00 PM

Clear night

68° 💧 None 💨 14 mph H 40%29.91 inHg

11:00 PM

Clear night

63° 💧 None 💨 15 mph H 52%29.91 inHg

Friday

2:00 AM

Clear night

62° 💧 None 💨 13 mph H 51%29.88 inHg

5:00 AM

Clear night

61° 💧 None 💨 13 mph H 50%29.83 inHg

Today

8:00 AM

Mostly cloudy

58° 💧 None 💨 2 mph H 59%29.91 inHg

9:00 AM

Mostly cloudy

63° 💧 None 💨 4 mph H 51%29.91 inHg

10:00 AM

Overcast

65° 💧 None 💨 6 mph H 45%29.94 inHg

11:00 AM

Mostly cloudy

66° 💧 None 💨 6 mph H 42%29.97 inHg

12:00 PM

Mostly sunny

68° 💧 None 💨 6 mph H 37%29.97 inHg

1:00 PM

Sunny

70° 💧 None 💨 8 mph H 34%29.97 inHg

2:00 PM

Sunny

71° 💧 None 💨 9 mph H 31%29.97 inHg

3:00 PM

Sunny

72° 💧 None 💨 9 mph H 29%29.94 inHg

4:00 PM

Sunny

72° 💧 None 💨 8 mph H 30%29.94 inHg

5:00 PM

Sunny

72° 💧 None 💨 7 mph H 31%29.94 inHg

6:00 PM

Mostly sunny

70° 💧 None 💨 4 mph H 33%29.94 inHg

7:00 PM

Partly cloudy

65° 💧 None 💨 0 mph H 45%29.94 inHg

8:00 PM

Mostly clear night

62° 💧 None 💨 1 mph H 47%29.97 inHg

9:00 PM

Clear night

60° 💧 None 💨 1 mph H 49%29.97 inHg

10:00 PM

Partly cloudy night

60° 💧 None 💨 1 mph H 49%30.00 inHg

11:00 PM

Partly cloudy night

60° 💧 None 💨 1 mph H 47%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

60° 💧 None 💨 2 mph H 46%30.00 inHg

1:00 AM

Mostly cloudy night

61° 💧 None 💨 1 mph H 45%30.00 inHg

2:00 AM

Clear night

59° 💧 None 💨 1 mph H 47%30.00 inHg

3:00 AM

Clear night

59° 💧 None 💨 1 mph H 48%30.00 inHg

4:00 AM

Clear night

59° 💧 None 💨 0 mph H 48%30.03 inHg

5:00 AM

Clear night

58° 💧 None 💨 0 mph H 48%30.03 inHg

6:00 AM

Clear night

59° 💧 None 💨 0 mph H 47%30.03 inHg

7:00 AM

Clear night

59° 💧 None 💨 0 mph H 45%30.03 inHg

8:00 AM

Sunny

60° 💧 None 💨 1 mph H 45%30.03 inHg

9:00 AM

Sunny

66° 💧 None 💨 1 mph H 38%30.03 inHg

10:00 AM

Sunny

70° 💧 None 💨 3 mph H 30%30.03 inHg

11:00 AM

Sunny

72° 💧 None 💨 4 mph H 27%30.03 inHg

12:00 PM

Sunny

74° 💧 None 💨 5 mph H 28%30.03 inHg

1:00 PM

Sunny

75° 💧 None 💨 7 mph H 26%30.00 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 9 mph H 25%29.97 inHg

3:00 PM

Sunny

76° 💧 None 💨 9 mph H 26%29.97 inHg

4:00 PM

Mostly sunny

76° 💧 None 💨 9 mph H 27%29.94 inHg

5:00 PM

Mostly sunny

76° 💧 None 💨 9 mph H 27%29.94 inHg

6:00 PM

Mostly sunny

74° 💧 None 💨 11 mph H 33%29.94 inHg

7:00 PM

Sunny

69° 💧 None 💨 10 mph H 41%29.91 inHg

8:00 PM

Clear night

68° 💧 None 💨 14 mph H 40%29.91 inHg

9:00 PM

Clear night

67° 💧 None 💨 15 mph H 41%29.94 inHg

10:00 PM

Clear night

64° 💧 None 💨 15 mph H 48%29.94 inHg

11:00 PM

Clear night

63° 💧 None 💨 15 mph H 52%29.91 inHg

Friday

12:00 AM

Clear night

62° 💧 None 💨 15 mph H 54%29.91 inHg

1:00 AM

Clear night

62° 💧 None 💨 14 mph H 53%29.88 inHg

2:00 AM

Clear night

62° 💧 None 💨 13 mph H 51%29.88 inHg

3:00 AM

Clear night

61° 💧 None 💨 12 mph H 51%29.85 inHg

4:00 AM

Clear night

61° 💧 None 💨 13 mph H 51%29.83 inHg

5:00 AM

Clear night

61° 💧 None 💨 13 mph H 50%29.83 inHg

6:00 AM

Clear night

61° 💧 None 💨 13 mph H 48%29.80 inHg

7:00 AM

Clear night

61° 💧 None 💨 13 mph H 46%29.77 inHg

8:00 AM

Sunny

63° 💧 None 💨 14 mph H 44%29.74 inHg

9:00 AM

Sunny

67° 💧 None 💨 13 mph H 39%29.74 inHg

10:00 AM

Sunny

71° 💧 None 💨 12 mph H 34%29.71 inHg

11:00 AM

Sunny

73° 💧 None 💨 14 mph H 30%29.71 inHg

12:00 PM

Sunny

75° 💧 None 💨 14 mph H 28%29.68 inHg

1:00 PM

Sunny

78° 💧 None 💨 13 mph H 25%29.65 inHg

2:00 PM

Sunny

79° 💧 None 💨 13 mph H 25%29.62 inHg

3:00 PM

Sunny

79° 💧 None 💨 13 mph H 28%29.59 inHg

4:00 PM

Sunny

78° 💧 None 💨 13 mph H 33%29.59 inHg

5:00 PM

Sunny

76° 💧 None 💨 13 mph H 37%29.56 inHg

6:00 PM

Sunny

73° 💧 None 💨 13 mph H 42%29.56 inHg

Saturday

3:00 AM

Mostly clear night

51° 💧 None 💨 10 mph H 54%29.85 inHg

6:00 AM

Clear night

48° 💧 None 💨 13 mph H 60%29.88 inHg

9:00 AM

Mostly sunny

49° 💧 None 💨 15 mph H 53%29.97 inHg

12:00 PM

Partly cloudy

55° 💧 None 💨 16 mph H 34%29.94 inHg

3:00 PM

Partly cloudy

57° 💧 None 💨 14 mph H 23%29.94 inHg

6:00 PM

Partly cloudy

55° 💧 None 💨 13 mph H 26%29.97 inHg

9:00 PM

Clear night

48° 💧 None 💨 7 mph H 41%30.03 inHg

Sunday

12:00 AM

Clear night

44° 💧 None 💨 3 mph H 48%30.09 inHg

3:00 AM

Partly cloudy night

42° 💧 None 💨 3 mph H 51%30.12 inHg

6:00 AM

Mostly cloudy night

42° 💧 None 💨 3 mph H 53%30.12 inHg

9:00 AM

Overcast

49° 💧 None 💨 3 mph H 39%30.12 inHg

12:00 PM

Overcast

55° 💧 None 💨 3 mph H 29%30.09 inHg

3:00 PM

Overcast

57° 💧 None 💨 4 mph H 33%30.03 inHg

6:00 PM

Overcast

56° 💧 None 💨 2 mph H 36%30.00 inHg

9:00 PM

Overcast night

49° 💧 None 💨 4 mph H 50%30.00 inHg

Monday

12:00 AM

Mostly cloudy night

47° 💧 None 💨 3 mph H 60%30.00 inHg

3:00 AM

Partly cloudy night

47° 💧 None 💨 1 mph H 60%30.00 inHg

6:00 AM

Clear night

46° 💧 None 💨 2 mph H 59%30.00 inHg

9:00 AM

Sunny

52° 💧 None 💨 2 mph H 49%30.03 inHg

12:00 PM

Sunny

59° 💧 None 💨 4 mph H 38%30.00 inHg

3:00 PM

Mostly sunny

61° 💧 None 💨 5 mph H 35%29.97 inHg

6:00 PM

Sunny

59° 💧 None 💨 2 mph H 35%29.94 inHg

9:00 PM

Mostly clear night

49° 💧 None 💨 5 mph H 54%29.94 inHg

Tuesday

12:00 AM

Overcast night

50° 💧 None 💨 11 mph H 65%29.94 inHg

6:00 AM

Overcast night

46° 💧 None 💨 3 mph H 55%30.00 inHg

12:00 PM

Sunny

45° 💧 None 💨 6 mph H 56%30.00 inHg

6:00 PM

Mostly cloudy

57° 💧 None 💨 12 mph H 29%29.91 inHg

Wednesday

12:00 AM

Mostly cloudy night

58° 💧 None 💨 6 mph H 27%29.80 inHg

6:00 AM

Light rain

48° 💧 None 💨 10 mph H 79%29.77 inHg

12:00 PM

Partly cloudy

44° 💧 None 💨 11 mph H 97%29.77 inHg

6:00 PM

Mostly sunny

53° 💧 None 💨 20 mph H 44%29.80 inHg

Thursday

12:00 AM

Light rain

48° 💧 None 💨 16 mph H 59%29.97 inHg

6:00 AM

Clear night

41° 💧 None 💨 5 mph H 76%30.12 inHg

12:00 PM

Sunny

39° 💧 None 💨 1 mph H 75%30.18 inHg

6:00 PM

Sunny

54° 💧 None 💨 4 mph H 33%30.18 inHg

Friday

12:00 AM

Mostly cloudy night

56° 💧 None 💨 2 mph H 34%30.06 inHg

6:00 AM

Mostly cloudy night

47° 💧 None 💨 15 mph H 48%30.00 inHg

12:00 PM

Mostly cloudy

46° 💧 None 💨 8 mph H 46%29.88 inHg

6:00 PM

Mostly cloudy

63° 💧 None 💨 9 mph H 24%29.88 inHg

Saturday

12:00 AM

Clear night

62° 💧 None 💨 7 mph H 28%29.88 inHg

6:00 AM

Mostly cloudy night

51° 💧 None 💨 3 mph H 43%29.97 inHg

12:00 PM

Mostly cloudy

47° 💧 None 💨 2 mph H 44%30.00 inHg

6:00 PM

Overcast

62° 💧 None 💨 5 mph H 30%30.03 inHg

Sunday

12:00 AM

Partly cloudy night

62° 💧 None 💨 7 mph H 29%29.94 inHg

6:00 AM

Mostly cloudy night

57° 💧 None 💨 9 mph H 37%29.94 inHg

12:00 PM

Sunny

55° 💧 None 💨 7 mph H 36%29.94 inHg

6:00 PM

Sunny

69° 💧 None 💨 9 mph H 28%29.91 inHg

Monday

12:00 AM

Mostly clear night

72° 💧 None 💨 7 mph H 30%29.80 inHg

6:00 AM

Clear night

64° 💧 None 💨 12 mph H 37%29.80 inHg

12:00 PM

Sunny

58° 💧 None 💨 9 mph H 40%29.85 inHg

6:00 PM

Partly cloudy

55° 💧 None 💨 10 mph H 49%30.18 inHg

Tuesday

12:00 AM

Clear night

56° 💧 None 💨 3 mph H 41%30.18 inHg

6:00 AM

Mostly clear night

47° 💧 None 💨 6 mph H 52%30.27 inHg

12:00 PM

Sunny

44° 💧 None 💨 7 mph H 49%30.33 inHg

6:00 PM

Sunny

59° 💧 None 💨 4 mph H 29%30.36 inHg

Wednesday

12:00 AM

Clear night

56° 💧 None 💨 11 mph H 27%30.30 inHg

6:00 AM

Clear night

48° 💧 None 💨 16 mph H 37%30.27 inHg

12:00 PM

Sunny

47° 💧 None 💨 17 mph H 36%30.21 inHg

6:00 PM

Sunny

59° 💧 None 💨 13 mph H 24%30.09 inHg

Thursday

12:00 AM

Clear night

57° 💧 None 💨 13 mph H 34%29.97 inHg

In St. Pierre and, more broadly, across the state of Montana: Clear skies are expected tonight with temperatures holding steady around 62 degrees. Light southeast winds will prevail, generally blowing at 3 to 5 mph, with occasional gusts reaching up to 10 mph. No precipitation is forecasted for the evening and the upcoming hours. It will remain a cool and tranquil night, making it a good time to enjoy the clear sky and gentle breeze. Temperatures are unlikely to fluctuate significantly through the evening, providing a calm and comfortable environment.

15-Day Weather Outlook for St. Pierre

TomorrowTomorrow

Mostly cloudy 76°/58° 💧 None 💨 15 mph

Friday, Sep 25Fri Sep 25

Sunny 79°/61° 💧 None 💨 15 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 57°/48° 💧 0.013 in 💨 16 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 57°/42° 💧 None 💨 4 mph

Monday, Sep 28Mon Sep 28

Mostly cloudy 61°/46° 💧 None 💨 5 mph

Tuesday, Sep 29Tue Sep 29

Overcast 57°/45° 💧 0.014 in 💨 12 mph

Wednesday, Sep 30Wed Sep 30

Light rain 58°/44° 💧 0.077 in 💨 20 mph

Thursday, Oct 1Thu Oct 1

Light rain 54°/39° 💧 0.124 in 💨 16 mph

Friday, Oct 2Fri Oct 2

Mostly cloudy 63°/46° 💧 None 💨 15 mph

Saturday, Oct 3Sat Oct 3

Mostly cloudy 62°/47° 💧 None 💨 7 mph

Sunday, Oct 4Sun Oct 4

Partly cloudy 69°/55° 💧 None 💨 9 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 72°/55° 💧 None 💨 12 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 59°/44° 💧 0.001 in 💨 7 mph

Wednesday, Oct 7Wed Oct 7

Sunny 59°/47° 💧 None 💨 17 mph

Thursday, Oct 8Thu Oct 8

Sunny 57°/57° 💧 None 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Pierre

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Pierre

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 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 1,0µg/m³

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

O₃ Ozone Good 57,8µg/m³

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

NO₂ Nitrogen dioxide Good 2,5µg/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 St. Pierre

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 4,4Moderate 🙂Fair

Friday UV 4,3Moderate 🙂Fair

Saturday UV 3,8Moderate 😐Moderate

Sunday UV 4,0Moderate 🙂Fair

Monday UV 4,0Moderate —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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 St. Pierre

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. PIERRE, MONTANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:00 PM–5:24 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 95% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 56° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min71%

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

SEP 20–NOV 20

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

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 St. Pierre were last refreshed today at 7:31 AM. The current forecast period extends through 25/09/2026 at 5:00 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.