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Weather data for Saint-Guillaume is updated regularly with the latest available observations and forecasts.

Now · 6:10 AM

Saint-Guillaume Weather & Hourly Forecast

Canada · Quebec

5°C

Clear night

Feels like: 2°C

💧 Humidity 95% 🌡 Pressure 1036 hPa 💨 Wind 9 km/h 👁 Visibility 32.4 km ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:38 AM 🌇 Sunset 6:48 PM

Hourly Forecast for Saint-Guillaume

Today

7:00 AM

Sunny

5° 💧 None 💨 9 km/h H 95%1037 hPa

10:00 AM

Sunny

13° 💧 None 💨 9 km/h H 67%1038 hPa

1:00 PM

Sunny

18° 💧 None 💨 9 km/h H 46%1037 hPa

4:00 PM

Sunny

18° 💧 None 💨 11 km/h H 45%1035 hPa

7:00 PM

Clear night

13° 💧 None 💨 10 km/h H 66%1035 hPa

10:00 PM

Clear night

9° 💧 None 💨 8 km/h H 75%1035 hPa

Tomorrow

1:00 AM

Clear night

7° 💧 None 💨 6 km/h H 90%1035 hPa

4:00 AM

Clear night

6° 💧 None 💨 3 km/h H 93%1034 hPa

7:00 AM

Fog

6° 💧 None 💨 6 km/h H 98%1034 hPa

10:00 AM

Sunny

13° 💧 None 💨 3 km/h H 73%1034 hPa

1:00 PM

Sunny

19° 💧 None 💨 5 km/h H 51%1032 hPa

4:00 PM

Sunny

20° 💧 None 💨 10 km/h H 48%1029 hPa

7:00 PM

Clear night

14° 💧 None 💨 7 km/h H 74%1028 hPa

10:00 PM

Clear night

12° 💧 None 💨 9 km/h H 78%1029 hPa

Friday

1:00 AM

Clear night

11° 💧 None 💨 9 km/h H 85%1027 hPa

4:00 AM

Clear night

9° 💧 None 💨 8 km/h H 91%1027 hPa

Today

7:00 AM

Sunny

5° 💧 None 💨 9 km/h H 95%1037 hPa

8:00 AM

Sunny

7° 💧 None 💨 10 km/h H 89%1037 hPa

9:00 AM

Sunny

10° 💧 None 💨 8 km/h H 78%1038 hPa

10:00 AM

Sunny

13° 💧 None 💨 9 km/h H 67%1038 hPa

11:00 AM

Sunny

15° 💧 None 💨 8 km/h H 60%1038 hPa

12:00 PM

Sunny

17° 💧 None 💨 8 km/h H 53%1037 hPa

1:00 PM

Sunny

18° 💧 None 💨 9 km/h H 46%1037 hPa

2:00 PM

Sunny

18° 💧 None 💨 10 km/h H 43%1036 hPa

3:00 PM

Sunny

18° 💧 None 💨 10 km/h H 43%1035 hPa

4:00 PM

Sunny

18° 💧 None 💨 11 km/h H 45%1035 hPa

5:00 PM

Sunny

17° 💧 None 💨 11 km/h H 48%1035 hPa

6:00 PM

Sunny

15° 💧 None 💨 9 km/h H 58%1035 hPa

7:00 PM

Clear night

13° 💧 None 💨 10 km/h H 66%1035 hPa

8:00 PM

Clear night

11° 💧 None 💨 9 km/h H 68%1035 hPa

9:00 PM

Clear night

10° 💧 None 💨 9 km/h H 71%1035 hPa

10:00 PM

Clear night

9° 💧 None 💨 8 km/h H 75%1035 hPa

11:00 PM

Clear night

8° 💧 None 💨 7 km/h H 81%1035 hPa

Tomorrow

12:00 AM

Clear night

8° 💧 None 💨 7 km/h H 86%1035 hPa

1:00 AM

Clear night

7° 💧 None 💨 6 km/h H 90%1035 hPa

2:00 AM

Clear night

7° 💧 None 💨 5 km/h H 91%1034 hPa

3:00 AM

Clear night

6° 💧 None 💨 3 km/h H 92%1034 hPa

4:00 AM

Clear night

6° 💧 None 💨 3 km/h H 93%1034 hPa

5:00 AM

Fog at night

6° 💧 None 💨 5 km/h H 96%1034 hPa

6:00 AM

Fog at night

6° 💧 None 💨 5 km/h H 97%1034 hPa

7:00 AM

Fog

6° 💧 None 💨 6 km/h H 98%1034 hPa

8:00 AM

Fog

7° 💧 None 💨 6 km/h H 94%1034 hPa

9:00 AM

Mostly sunny

9° 💧 None 💨 4 km/h H 87%1034 hPa

10:00 AM

Sunny

13° 💧 None 💨 3 km/h H 73%1034 hPa

11:00 AM

Sunny

16° 💧 None 💨 4 km/h H 63%1034 hPa

12:00 PM

Sunny

18° 💧 None 💨 4 km/h H 56%1033 hPa

1:00 PM

Sunny

19° 💧 None 💨 5 km/h H 51%1032 hPa

2:00 PM

Sunny

20° 💧 None 💨 6 km/h H 49%1031 hPa

3:00 PM

Sunny

20° 💧 None 💨 8 km/h H 48%1030 hPa

4:00 PM

Sunny

20° 💧 None 💨 10 km/h H 48%1029 hPa

5:00 PM

Sunny

20° 💧 None 💨 10 km/h H 51%1029 hPa

6:00 PM

Sunny

17° 💧 None 💨 6 km/h H 65%1029 hPa

7:00 PM

Clear night

14° 💧 None 💨 7 km/h H 74%1028 hPa

8:00 PM

Clear night

14° 💧 None 💨 9 km/h H 74%1029 hPa

9:00 PM

Clear night

13° 💧 None 💨 9 km/h H 75%1029 hPa

10:00 PM

Clear night

12° 💧 None 💨 9 km/h H 78%1029 hPa

11:00 PM

Clear night

12° 💧 None 💨 10 km/h H 80%1028 hPa

Friday

12:00 AM

Clear night

11° 💧 None 💨 9 km/h H 82%1028 hPa

1:00 AM

Clear night

11° 💧 None 💨 9 km/h H 85%1027 hPa

2:00 AM

Clear night

10° 💧 None 💨 9 km/h H 87%1027 hPa

3:00 AM

Clear night

10° 💧 None 💨 8 km/h H 89%1027 hPa

4:00 AM

Clear night

9° 💧 None 💨 8 km/h H 91%1027 hPa

5:00 AM

Clear night

8° 💧 None 💨 8 km/h H 92%1027 hPa

6:00 AM

Clear night

8° 💧 None 💨 8 km/h H 94%1027 hPa

7:00 AM

Sunny

8° 💧 None 💨 10 km/h H 95%1027 hPa

8:00 AM

Sunny

10° 💧 None 💨 10 km/h H 88%1028 hPa

9:00 AM

Sunny

13° 💧 None 💨 8 km/h H 78%1028 hPa

10:00 AM

Sunny

16° 💧 None 💨 8 km/h H 69%1027 hPa

11:00 AM

Sunny

18° 💧 None 💨 9 km/h H 60%1027 hPa

12:00 PM

Sunny

20° 💧 None 💨 10 km/h H 54%1027 hPa

1:00 PM

Sunny

22° 💧 None 💨 11 km/h H 48%1026 hPa

2:00 PM

Sunny

22° 💧 None 💨 12 km/h H 45%1025 hPa

3:00 PM

Sunny

22° 💧 None 💨 12 km/h H 43%1025 hPa

4:00 PM

Sunny

22° 💧 None 💨 11 km/h H 44%1024 hPa

5:00 PM

Sunny

21° 💧 None 💨 10 km/h H 47%1024 hPa

6:00 PM

Sunny

19° 💧 None 💨 6 km/h H 63%1024 hPa

7:00 PM

Clear night

16° 💧 None 💨 6 km/h H 71%1024 hPa

8:00 PM

Clear night

14° 💧 None 💨 6 km/h H 75%1024 hPa

11:00 PM

Clear night

12° 💧 None 💨 8 km/h H 89%1025 hPa

Saturday

2:00 AM

Mostly clear night

10° 💧 None 💨 10 km/h H 89%1024 hPa

5:00 AM

Partly cloudy night

9° 💧 None 💨 11 km/h H 92%1024 hPa

8:00 AM

Mostly cloudy

11° 💧 None 💨 12 km/h H 84%1025 hPa

11:00 AM

Overcast

17° 💧 None 💨 12 km/h H 62%1025 hPa

2:00 PM

Mostly cloudy

20° 💧 None 💨 14 km/h H 49%1023 hPa

5:00 PM

Mostly cloudy

20° 💧 None 💨 13 km/h H 51%1021 hPa

8:00 PM

Overcast night

14° 💧 None 💨 9 km/h H 71%1021 hPa

11:00 PM

Overcast night

13° 💧 None 💨 13 km/h H 66%1021 hPa

Sunday

2:00 AM

Overcast night

12° 💧 None 💨 12 km/h H 82%1020 hPa

5:00 AM

Overcast night

11° 💧 None 💨 14 km/h H 86%1019 hPa

8:00 AM

Overcast

13° 💧 None 💨 19 km/h H 75%1020 hPa

11:00 AM

Overcast

17° 💧 None 💨 20 km/h H 58%1019 hPa

2:00 PM

Mostly cloudy

20° 💧 None 💨 20 km/h H 51%1017 hPa

5:00 PM

Overcast

18° 💧 None 💨 19 km/h H 58%1017 hPa

8:00 PM

Light rain

15° 💧 None 💨 21 km/h H 69%1017 hPa

11:00 PM

Overcast night

12° 💧 None 💨 20 km/h H 91%1016 hPa

Monday

2:00 AM

Overcast night

13° 💧 None 💨 16 km/h H 83%1015 hPa

5:00 AM

Light rain

12° 💧 None 💨 17 km/h H 83%1014 hPa

8:00 AM

Overcast

12° 💧 None 💨 16 km/h H 88%1015 hPa

11:00 AM

Overcast

14° 💧 None 💨 17 km/h H 68%1013 hPa

2:00 PM

Overcast

16° 💧 None 💨 15 km/h H 64%1012 hPa

5:00 PM

Overcast

14° 💧 None 💨 14 km/h H 68%1012 hPa

8:00 PM

Overcast night

13° 💧 None 💨 10 km/h H 74%1013 hPa

Tuesday

2:00 AM

Overcast night

12° 💧 None 💨 5 km/h H 82%1013 hPa

8:00 AM

Overcast

12° 💧 None 💨 4 km/h H 87%1015 hPa

2:00 PM

Mostly sunny

19° 💧 None 💨 6 km/h H 54%1015 hPa

8:00 PM

Clear night

14° 💧 None 💨 2 km/h H 77%1015 hPa

Wednesday

2:00 AM

Clear night

10° 💧 None 💨 7 km/h H 94%1016 hPa

8:00 AM

Sunny

11° 💧 None 💨 8 km/h H 90%1017 hPa

2:00 PM

Partly cloudy

23° 💧 None 💨 14 km/h H 44%1015 hPa

8:00 PM

Mostly clear night

18° 💧 None 💨 15 km/h H 66%1012 hPa

Thursday

2:00 AM

Mostly cloudy night

19° 💧 None 💨 19 km/h H 70%1011 hPa

8:00 AM

Partly cloudy

18° 💧 None 💨 19 km/h H 75%1012 hPa

2:00 PM

Mostly cloudy

27° 💧 None 💨 18 km/h H 52%1010 hPa

8:00 PM

Mostly cloudy night

22° 💧 None 💨 22 km/h H 57%1008 hPa

Friday

2:00 AM

Light rain

19° 💧 None 💨 22 km/h H 80%1007 hPa

8:00 AM

Light rain

18° 💧 None 💨 16 km/h H 96%1007 hPa

2:00 PM

Light rain

19° 💧 None 💨 14 km/h H 90%1006 hPa

8:00 PM

Clear night

15° 💧 None 💨 15 km/h H 94%1006 hPa

Saturday

2:00 AM

Clear night

12° 💧 None 💨 10 km/h H 81%1008 hPa

8:00 AM

Sunny

10° 💧 None 💨 14 km/h H 74%1011 hPa

2:00 PM

Overcast

13° 💧 None 💨 19 km/h H 52%1013 hPa

8:00 PM

Overcast night

11° 💧 None 💨 15 km/h H 57%1016 hPa

Sunday

2:00 AM

Mostly clear night

9° 💧 None 💨 12 km/h H 69%1020 hPa

8:00 AM

Mostly sunny

7° 💧 None 💨 11 km/h H 81%1023 hPa

2:00 PM

Overcast

14° 💧 None 💨 10 km/h H 41%1022 hPa

8:00 PM

Clear night

9° 💧 None 💨 11 km/h H 63%1022 hPa

Monday

2:00 AM

Mostly clear night

6° 💧 None 💨 11 km/h H 77%1022 hPa

8:00 AM

Partly cloudy

9° 💧 None 💨 10 km/h H 85%1022 hPa

2:00 PM

Overcast

15° 💧 None 💨 17 km/h H 47%1020 hPa

8:00 PM

Mostly cloudy night

11° 💧 None 💨 10 km/h H 69%1018 hPa

Tuesday

2:00 AM

Light rain

11° 💧 None 💨 18 km/h H 96%1015 hPa

8:00 AM

Mostly cloudy

13° 💧 None 💨 19 km/h H 80%1013 hPa

2:00 PM

Overcast

20° 💧 None 💨 25 km/h H 52%1008 hPa

8:00 PM

Overcast night

17° 💧 None 💨 21 km/h H 64%1002 hPa

Wednesday

2:00 AM

Partly cloudy night

15° 💧 None 💨 22 km/h H 96%1000 hPa

8:00 AM

Mostly sunny

12° 💧 None 💨 21 km/h H 68%1001 hPa

2:00 PM

Partly cloudy

15° 💧 None 💨 21 km/h H 50%1001 hPa

8:00 PM

Light rain

11° 💧 None 💨 13 km/h H 74%1003 hPa

In Saint-Guillaume and, more broadly, across the province of Quebec: This morning across the region, skies are a mix of sun and cloud with temperatures ranging from approximately 7 to 18 degrees Celsius. Generally, conditions are dry in many areas, although some regions may experience light breezes. Winds are mainly from the north with speeds reaching up to around 16 km/h, and gusts may climb to approximately 33 km/h at times. During the afternoon, the sky is expected to remain partly cloudy, with temperatures holding steady or perhaps slightly warmer in some locations. Winds are likely to persist from the north, maintaining similar speeds and gusts. Overall, the day is forecast to be relatively mild and dry, with only minor variations in weather conditions across the region.

15-Day Weather Outlook for Saint-Guillaume

TomorrowTomorrow

Sunny 20°/5° 💧 None 💨 9 km/h

Friday, Sep 25Fri Sep 25

Sunny 21°/8° 💧 None 💨 11 km/h

Saturday, Sep 26Sat Sep 26

Mostly sunny 19°/10° 💧 None 💨 16 km/h

Sunday, Sep 27Sun Sep 27

Light rain 17°/13° 💧 6.3 mm 💨 22 km/h

Monday, Sep 28Mon Sep 28

Light rain 15°/12° 💧 2.8 mm 💨 16 km/h

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 19°/11° 💧 0.4 mm 💨 13 km/h

Wednesday, Sep 30Wed Sep 30

Overcast 20°/13° 💧 None 💨 7 km/h

Thursday, Oct 1Thu Oct 1

Mostly cloudy 21°/16° 💧 1.4 mm 💨 10 km/h

Friday, Oct 2Fri Oct 2

Light rain 20°/16° 💧 1.0 mm 💨 6 km/h

Saturday, Oct 3Sat Oct 3

Light rain 18°/15° 💧 3.7 mm 💨 8 km/h

Sunday, Oct 4Sun Oct 4

Moderate rain 19°/17° 💧 21 mm 💨 19 km/h

Monday, Oct 5Mon Oct 5

Moderate rain 22°/16° 💧 28 mm 💨 14 km/h

Tuesday, Oct 6Tue Oct 6

Mostly cloudy 17°/12° 💧 3.9 mm 💨 19 km/h

Wednesday, Oct 7Wed Oct 7

Moderate rain 9°/8° 💧 6.2 mm 💨 25 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Saint-Guillaume

Vertical axis: °C · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Saint-Guillaume

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 1,7µg/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 3,6µg/m³

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

O₃ Ozone Good 18,9µg/m³

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

NO₂ Nitrogen dioxide Good 6,5µg/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 Saint-Guillaume

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 4,3Moderate 😊Good

Tomorrow UV 4,4Moderate 🙂Fair

Friday UV 4,3Moderate 🙂Fair

Saturday UV 4,3Moderate 🙂Fair

Sunday UV 4,0Moderate 🙂Fair

Monday UV 3,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Saint-Guillaume

Vertical axis: km/h · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SAINT-GUILLAUME, QUEBEC

Tonight's Stargazing & Shooting Stars

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

92/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:27 PM–5:00 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 94% Waxing Gibbous · Moon about 11° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 56° 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 min42%

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 Saint-Guillaume were last refreshed today at 6:10 AM. The current forecast period extends through 25/09/2026 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.