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Current weather in Montmagny is overcast clouds.

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

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

Now · 10:23 AM

Montmagny Weather & Hourly Forecast

Canada · Quebec

18°C

Overcast

Feels like: 18°C

💧 Humidity 70% 🌡 Pressure 1021 hPa 💨 Wind 12 km/h 👁 Visibility 10.0 km ☁ Clouds 90% ☀️ UV index 3.2 · Moderate 🌅 Sunrise 6:03 AM 🌇 Sunset 7:21 PM

Hourly Forecast for Montmagny

Today

11:00 AM

Overcast

18° 💧 None 💨 12 km/h H 70%1021 hPa

2:00 PM

Overcast

20° 💧 None 💨 15 km/h H 77%1020 hPa

5:00 PM

Overcast

21° 💧 None 💨 16 km/h H 79%1018 hPa

8:00 PM

Overcast night

18° 💧 None 💨 14 km/h H 72%1017 hPa

11:00 PM

Overcast night

17° 💧 0.7 mm 💨 8 km/h H 65%1016 hPa

Tomorrow

2:00 AM

Moderate rain

15° 💧 8.6 mm 💨 11 km/h H 88%1015 hPa

5:00 AM

Moderate rain

14° 💧 4.0 mm 💨 14 km/h H 89%1013 hPa

8:00 AM

Light rain

14° 💧 1.1 mm 💨 9 km/h H 89%1013 hPa

11:00 AM

Overcast

16° 💧 0.2 mm 💨 11 km/h H 87%1013 hPa

2:00 PM

Overcast

17° 💧 0.3 mm 💨 7 km/h H 87%1012 hPa

5:00 PM

Light rain

18° 💧 0.1 mm 💨 5 km/h H 88%1011 hPa

8:00 PM

Overcast night

17° 💧 None 💨 4 km/h H 91%1011 hPa

11:00 PM

Overcast night

16° 💧 None 💨 1 km/h H 91%1011 hPa

Friday

2:00 AM

Overcast night

14° 💧 None 💨 5 km/h H 91%1010 hPa

5:00 AM

Partly cloudy night

15° 💧 None 💨 8 km/h H 93%1010 hPa

8:00 AM

Mostly cloudy

16° 💧 None 💨 8 km/h H 94%1010 hPa

Today

11:00 AM

Overcast

18° 💧 None 💨 12 km/h H 70%1021 hPa

12:00 PM

Overcast

19° 💧 None 💨 11 km/h H 69%1021 hPa

1:00 PM

Overcast

19° 💧 None 💨 15 km/h H 73%1020 hPa

2:00 PM

Overcast

20° 💧 None 💨 15 km/h H 77%1020 hPa

3:00 PM

Overcast

21° 💧 None 💨 13 km/h H 74%1019 hPa

4:00 PM

Overcast

21° 💧 None 💨 14 km/h H 76%1018 hPa

5:00 PM

Overcast

21° 💧 None 💨 16 km/h H 79%1018 hPa

6:00 PM

Overcast

21° 💧 None 💨 16 km/h H 78%1017 hPa

7:00 PM

Overcast

19° 💧 None 💨 17 km/h H 76%1017 hPa

8:00 PM

Overcast night

18° 💧 None 💨 14 km/h H 72%1017 hPa

9:00 PM

Overcast night

18° 💧 None 💨 9 km/h H 69%1017 hPa

10:00 PM

Overcast night

17° 💧 None 💨 10 km/h H 65%1017 hPa

11:00 PM

Overcast night

17° 💧 None 💨 8 km/h H 65%1016 hPa

Tomorrow

12:00 AM

Overcast night

17° 💧 None 💨 8 km/h H 69%1015 hPa

1:00 AM

Light rain

16° 💧 0.7 mm 💨 7 km/h H 80%1015 hPa

2:00 AM

Moderate rain

15° 💧 1.7 mm 💨 11 km/h H 88%1015 hPa

3:00 AM

Heavy rain

14° 💧 4.1 mm 💨 14 km/h H 91%1014 hPa

4:00 AM

Moderate rain

14° 💧 2.8 mm 💨 16 km/h H 89%1013 hPa

5:00 AM

Moderate rain

14° 💧 2.0 mm 💨 14 km/h H 89%1013 hPa

6:00 AM

Moderate rain

14° 💧 1.2 mm 💨 13 km/h H 89%1013 hPa

7:00 AM

Light rain

14° 💧 0.9 mm 💨 11 km/h H 89%1013 hPa

8:00 AM

Light rain

14° 💧 0.7 mm 💨 9 km/h H 89%1013 hPa

9:00 AM

Light rain

16° 💧 0.3 mm 💨 10 km/h H 89%1013 hPa

10:00 AM

Light rain

16° 💧 0.1 mm 💨 11 km/h H 88%1013 hPa

11:00 AM

Overcast

16° 💧 None 💨 11 km/h H 87%1013 hPa

12:00 PM

Overcast

16° 💧 None 💨 8 km/h H 87%1012 hPa

1:00 PM

Light rain

16° 💧 0.2 mm 💨 8 km/h H 88%1012 hPa

2:00 PM

Overcast

17° 💧 None 💨 7 km/h H 87%1012 hPa

3:00 PM

Light rain

17° 💧 0.2 mm 💨 6 km/h H 86%1012 hPa

4:00 PM

Light rain

17° 💧 0.1 mm 💨 6 km/h H 87%1011 hPa

5:00 PM

Light rain

18° 💧 0.1 mm 💨 5 km/h H 88%1011 hPa

6:00 PM

Overcast

18° 💧 None 💨 6 km/h H 89%1011 hPa

7:00 PM

Overcast

18° 💧 None 💨 6 km/h H 90%1011 hPa

8:00 PM

Overcast night

17° 💧 None 💨 4 km/h H 91%1011 hPa

9:00 PM

Overcast night

16° 💧 None 💨 3 km/h H 91%1011 hPa

10:00 PM

Overcast night

16° 💧 None 💨 3 km/h H 91%1011 hPa

11:00 PM

Overcast night

16° 💧 None 💨 1 km/h H 91%1011 hPa

Friday

12:00 AM

Overcast night

15° 💧 None 💨 1 km/h H 91%1010 hPa

1:00 AM

Overcast night

15° 💧 None 💨 3 km/h H 91%1010 hPa

2:00 AM

Overcast night

14° 💧 None 💨 5 km/h H 91%1010 hPa

3:00 AM

Mostly clear night

16° 💧 None 💨 8 km/h H 91%1010 hPa

4:00 AM

Mostly clear night

15° 💧 None 💨 8 km/h H 92%1010 hPa

5:00 AM

Partly cloudy night

15° 💧 None 💨 8 km/h H 93%1010 hPa

6:00 AM

Partly cloudy night

15° 💧 None 💨 9 km/h H 94%1010 hPa

7:00 AM

Partly cloudy

15° 💧 None 💨 9 km/h H 95%1010 hPa

8:00 AM

Mostly cloudy

16° 💧 None 💨 8 km/h H 94%1010 hPa

9:00 AM

Overcast

16° 💧 None 💨 6 km/h H 93%1010 hPa

10:00 AM

Overcast

16° 💧 None 💨 5 km/h H 92%1010 hPa

11:00 AM

Overcast

16° 💧 None 💨 2 km/h H 91%1010 hPa

12:00 PM

Overcast

17° 💧 None 💨 4 km/h H 90%1010 hPa

1:00 PM

Overcast

17° 💧 None 💨 7 km/h H 89%1010 hPa

2:00 PM

Overcast

16° 💧 None 💨 12 km/h H 92%1010 hPa

3:00 PM

Overcast

17° 💧 None 💨 16 km/h H 91%1010 hPa

4:00 PM

Overcast

17° 💧 None 💨 21 km/h H 90%1010 hPa

5:00 PM

Overcast

17° 💧 None 💨 26 km/h H 87%1010 hPa

6:00 PM

Mostly cloudy

16° 💧 None 💨 27 km/h H 88%1010 hPa

7:00 PM

Overcast

16° 💧 None 💨 27 km/h H 91%1010 hPa

8:00 PM

Overcast night

15° 💧 None 💨 26 km/h H 91%1011 hPa

9:00 PM

Light rain

15° 💧 0.2 mm 💨 26 km/h H 94%1011 hPa

10:00 PM

Light rain

15° 💧 0.2 mm 💨 27 km/h H 96%1011 hPa

11:00 PM

Light rain

14° 💧 0.1 mm 💨 28 km/h H 97%1011 hPa

Saturday

12:00 AM

Overcast night

14° 💧 None 💨 29 km/h H 96%1012 hPa

1:00 AM

Overcast night

14° 💧 None 💨 31 km/h H 95%1012 hPa

2:00 AM

Overcast night

14° 💧 None 💨 28 km/h H 94%1012 hPa

3:00 AM

Overcast night

15° 💧 None 💨 26 km/h H 93%1012 hPa

4:00 AM

Overcast night

15° 💧 None 💨 27 km/h H 93%1012 hPa

5:00 AM

Light rain

14° 💧 0.1 mm 💨 31 km/h H 96%1013 hPa

6:00 AM

Light rain

14° 💧 0.3 mm 💨 33 km/h H 97%1013 hPa

7:00 AM

Light rain

14° 💧 0.4 mm 💨 33 km/h H 97%1014 hPa

8:00 AM

Light rain

14° 💧 0.3 mm 💨 34 km/h H 98%1015 hPa

9:00 AM

Overcast

14° 💧 None 💨 33 km/h H 96%1015 hPa

10:00 AM

Overcast

14° 💧 None 💨 32 km/h H 94%1016 hPa

11:00 AM

Overcast

14° 💧 None 💨 34 km/h H 93%1016 hPa

12:00 PM

Overcast

14° 💧 None 💨 33 km/h H 90%1016 hPa

1:00 PM

Overcast

15° 💧 None 💨 31 km/h H 83%1015 hPa

2:00 PM

Overcast

16° 💧 None 💨 29 km/h H 81%1015 hPa

3:00 PM

Partly cloudy

16° 💧 None 💨 34 km/h H 81%1015 hPa

4:00 PM

Partly cloudy

16° 💧 None 💨 36 km/h H 80%1016 hPa

5:00 PM

Partly cloudy

16° 💧 None 💨 32 km/h H 78%1016 hPa

6:00 PM

Partly cloudy

15° 💧 None 💨 33 km/h H 78%1016 hPa

7:00 PM

Partly cloudy

14° 💧 None 💨 32 km/h H 77%1016 hPa

8:00 PM

Mostly clear night

14° 💧 None 💨 28 km/h H 78%1017 hPa

9:00 PM

Clear night

12° 💧 None 💨 25 km/h H 84%1017 hPa

10:00 PM

Clear night

12° 💧 None 💨 22 km/h H 86%1017 hPa

11:00 PM

Clear night

12° 💧 None 💨 18 km/h H 86%1017 hPa

Sunday

12:00 AM

Mostly clear night

12° 💧 None 💨 15 km/h H 85%1017 hPa

1:00 AM

Partly cloudy night

12° 💧 None 💨 12 km/h H 83%1016 hPa

2:00 AM

Partly cloudy night

12° 💧 None 💨 10 km/h H 84%1016 hPa

3:00 AM

Overcast night

12° 💧 None 💨 7 km/h H 81%1016 hPa

4:00 AM

Overcast night

12° 💧 None 💨 3 km/h H 81%1016 hPa

5:00 AM

Overcast night

12° 💧 None 💨 4 km/h H 82%1016 hPa

6:00 AM

Overcast night

12° 💧 None 💨 7 km/h H 84%1016 hPa

7:00 AM

Overcast

12° 💧 None 💨 7 km/h H 83%1017 hPa

8:00 AM

Overcast

13° 💧 None 💨 2 km/h H 79%1017 hPa

9:00 AM

Overcast

14° 💧 None 💨 4 km/h H 75%1017 hPa

10:00 AM

Mostly cloudy

15° 💧 None 💨 8 km/h H 73%1017 hPa

In Montmagny and, more broadly, across the province of Quebec: Cloudy conditions will persist across the region into the afternoon, with temperatures generally ranging from 18 to 23 degrees Celsius. In many areas, light rain or showers are possible, with some locations experiencing up to approximately 46 mm of rainfall. Winds are expected to be mainly from the southeast at around 23 km/h, with gusts reaching up to 45 km/h, which could lead to occasional breezy conditions in parts of the region. While rainfall may be scattered, the potential for heavier showers exists in some localities. Overall, the weather remains relatively mild but unsettled, with the possibility of wet periods and gusty winds as the day progresses. Residents should stay aware of local updates if planning outdoor activities later today.

15-Day Weather Outlook for Montmagny

TomorrowTomorrow

Heavy rain 18°/14° 💧 15 mm 💨 16 km/h

Friday, Sep 4Fri Sep 4

Light rain 17°/14° 💧 0.5 mm 💨 28 km/h

Saturday, Sep 5Sat Sep 5

Light rain 16°/12° 💧 1.1 mm 💨 34 km/h

Sunday, Sep 6Sun Sep 6

Mostly cloudy 17°/12° 💧 None 💨 27 km/h

Monday, Sep 7Mon Sep 7

Overcast 22°/11° 💧 None 💨 26 km/h

Tuesday, Sep 8Tue Sep 8

Light rain 17°/14° 💧 1.5 mm 💨 18 km/h

Wednesday, Sep 9Wed Sep 9

Moderate rain 15°/13° 💧 9.8 mm 💨 28 km/h

Thursday, Sep 10Thu Sep 10

Heavy rain 14°/12° 💧 20 mm 💨 39 km/h

Friday, Sep 11Fri Sep 11

Sunny 19°/11° 💧 None 💨 22 km/h

Saturday, Sep 12Sat Sep 12

Light rain 16°/12° 💧 3.3 mm 💨 27 km/h

Sunday, Sep 13Sun Sep 13

Sunny 19°/13° 💧 None 💨 24 km/h

Monday, Sep 14Mon Sep 14

Light rain 20°/13° 💧 6.2 mm 💨 18 km/h

Tuesday, Sep 15Tue Sep 15

Light rain 24°/18° 💧 2.0 mm 💨 30 km/h

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 22°/15° 💧 None 💨 17 km/h

Thursday, Sep 17Thu Sep 17

Moderate rain 23°/18° 💧 13 mm 💨 34 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Montmagny

Vertical axis: °C · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Montmagny

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 3,8µg/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 4,3µg/m³

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

O₃ Ozone Good 59,8µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/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 Montmagny

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 5,7Moderate 😊Good

Tomorrow UV 0,6Low 😊Good

Friday UV 3,9Moderate 😊Good

Saturday UV 1,6Low 🙂Fair

Sunday UV 5,0Moderate 😊Good

Monday UV 5,0Moderate —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

Vertical axis: km/h · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.13 Population: 10,999

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Forecast data for Montmagny were last refreshed today at 10:23 AM. The current forecast period extends through 04/09/2026 at 8:00 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.