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Now · 3:05 PM

Saint-Jean-sur-Richelieu Weather & Hourly Forecast

Canada · Quebec

19°C

Sunny

Feels like: 16°C

💧 Humidity 43% 🌡 Pressure 1035 hPa 💨 Wind 10 km/h 👁 Visibility 58.4 km ☁ Clouds 0% ☀️ UV index 3.0 · Moderate 🌅 Sunrise 6:40 AM 🌇 Sunset 6:50 PM

Hourly Forecast for Saint-Jean-sur-Richelieu

Today

4:00 PM

Sunny

19° 💧 None 💨 11 km/h H 43%1035 hPa

7:00 PM

Clear night

14° 💧 None 💨 11 km/h H 63%1035 hPa

10:00 PM

Clear night

11° 💧 None 💨 10 km/h H 76%1035 hPa

Tomorrow

1:00 AM

Clear night

8° 💧 None 💨 8 km/h H 88%1035 hPa

4:00 AM

Clear night

7° 💧 None 💨 7 km/h H 92%1034 hPa

7:00 AM

Sunny

6° 💧 None 💨 8 km/h H 96%1034 hPa

10:00 AM

Sunny

13° 💧 None 💨 7 km/h H 71%1034 hPa

1:00 PM

Sunny

19° 💧 None 💨 9 km/h H 48%1032 hPa

4:00 PM

Sunny

20° 💧 None 💨 10 km/h H 46%1030 hPa

7:00 PM

Clear night

15° 💧 None 💨 6 km/h H 70%1029 hPa

10:00 PM

Clear night

12° 💧 None 💨 8 km/h H 81%1029 hPa

Friday

1:00 AM

Partly cloudy night

11° 💧 None 💨 6 km/h H 90%1028 hPa

4:00 AM

Overcast night

9° 💧 None 💨 9 km/h H 95%1027 hPa

7:00 AM

Sunny

9° 💧 None 💨 11 km/h H 95%1027 hPa

10:00 AM

Partly cloudy

15° 💧 None 💨 8 km/h H 74%1027 hPa

1:00 PM

Mostly cloudy

21° 💧 None 💨 10 km/h H 52%1026 hPa

Today

4:00 PM

Sunny

19° 💧 None 💨 11 km/h H 43%1035 hPa

5:00 PM

Sunny

18° 💧 None 💨 11 km/h H 46%1035 hPa

6:00 PM

Sunny

16° 💧 None 💨 8 km/h H 58%1035 hPa

7:00 PM

Clear night

14° 💧 None 💨 11 km/h H 63%1035 hPa

8:00 PM

Clear night

13° 💧 None 💨 12 km/h H 66%1035 hPa

9:00 PM

Clear night

12° 💧 None 💨 11 km/h H 71%1035 hPa

10:00 PM

Clear night

11° 💧 None 💨 10 km/h H 76%1035 hPa

11:00 PM

Clear night

10° 💧 None 💨 10 km/h H 80%1035 hPa

Tomorrow

12:00 AM

Clear night

9° 💧 None 💨 9 km/h H 84%1035 hPa

1:00 AM

Clear night

8° 💧 None 💨 8 km/h H 88%1035 hPa

2:00 AM

Clear night

8° 💧 None 💨 7 km/h H 89%1035 hPa

3:00 AM

Clear night

8° 💧 None 💨 6 km/h H 90%1034 hPa

4:00 AM

Clear night

7° 💧 None 💨 7 km/h H 92%1034 hPa

5:00 AM

Clear night

7° 💧 None 💨 7 km/h H 94%1034 hPa

6:00 AM

Clear night

6° 💧 None 💨 7 km/h H 95%1034 hPa

7:00 AM

Sunny

6° 💧 None 💨 8 km/h H 96%1034 hPa

8:00 AM

Sunny

8° 💧 None 💨 9 km/h H 91%1035 hPa

9:00 AM

Sunny

10° 💧 None 💨 6 km/h H 82%1035 hPa

10:00 AM

Sunny

13° 💧 None 💨 7 km/h H 71%1034 hPa

11:00 AM

Sunny

16° 💧 None 💨 8 km/h H 59%1034 hPa

12:00 PM

Sunny

18° 💧 None 💨 9 km/h H 52%1033 hPa

1:00 PM

Sunny

19° 💧 None 💨 9 km/h H 48%1032 hPa

2:00 PM

Sunny

20° 💧 None 💨 9 km/h H 46%1031 hPa

3:00 PM

Sunny

20° 💧 None 💨 9 km/h H 47%1031 hPa

4:00 PM

Sunny

20° 💧 None 💨 10 km/h H 46%1030 hPa

5:00 PM

Sunny

20° 💧 None 💨 9 km/h H 50%1030 hPa

6:00 PM

Sunny

18° 💧 None 💨 5 km/h H 64%1030 hPa

7:00 PM

Clear night

15° 💧 None 💨 6 km/h H 70%1029 hPa

8:00 PM

Clear night

14° 💧 None 💨 6 km/h H 73%1029 hPa

9:00 PM

Clear night

13° 💧 None 💨 7 km/h H 77%1029 hPa

10:00 PM

Clear night

12° 💧 None 💨 8 km/h H 81%1029 hPa

11:00 PM

Clear night

12° 💧 None 💨 8 km/h H 84%1029 hPa

Friday

12:00 AM

Clear night

11° 💧 None 💨 7 km/h H 87%1028 hPa

1:00 AM

Partly cloudy night

11° 💧 None 💨 6 km/h H 90%1028 hPa

2:00 AM

Partly cloudy night

10° 💧 None 💨 6 km/h H 92%1028 hPa

3:00 AM

Mostly cloudy night

10° 💧 None 💨 8 km/h H 94%1027 hPa

4:00 AM

Overcast night

9° 💧 None 💨 9 km/h H 95%1027 hPa

5:00 AM

Mostly cloudy night

9° 💧 None 💨 10 km/h H 95%1026 hPa

6:00 AM

Clear night

9° 💧 None 💨 9 km/h H 95%1027 hPa

7:00 AM

Sunny

9° 💧 None 💨 11 km/h H 95%1027 hPa

8:00 AM

Mostly cloudy

10° 💧 None 💨 11 km/h H 90%1027 hPa

9:00 AM

Mostly sunny

12° 💧 None 💨 10 km/h H 83%1027 hPa

10:00 AM

Partly cloudy

15° 💧 None 💨 8 km/h H 74%1027 hPa

11:00 AM

Mostly cloudy

17° 💧 None 💨 9 km/h H 66%1027 hPa

12:00 PM

Overcast

20° 💧 None 💨 10 km/h H 59%1026 hPa

1:00 PM

Mostly cloudy

21° 💧 None 💨 10 km/h H 52%1026 hPa

2:00 PM

Partly cloudy

22° 💧 None 💨 11 km/h H 47%1025 hPa

3:00 PM

Mostly cloudy

23° 💧 None 💨 13 km/h H 44%1024 hPa

4:00 PM

Mostly cloudy

22° 💧 None 💨 14 km/h H 43%1023 hPa

5:00 PM

Partly cloudy

22° 💧 None 💨 13 km/h H 49%1023 hPa

6:00 PM

Mostly cloudy

20° 💧 None 💨 11 km/h H 57%1023 hPa

7:00 PM

Mostly cloudy night

18° 💧 None 💨 12 km/h H 64%1023 hPa

8:00 PM

Overcast night

17° 💧 None 💨 12 km/h H 68%1023 hPa

9:00 PM

Overcast night

16° 💧 None 💨 12 km/h H 73%1023 hPa

10:00 PM

Overcast night

15° 💧 None 💨 12 km/h H 78%1023 hPa

11:00 PM

Overcast night

14° 💧 None 💨 12 km/h H 80%1023 hPa

Saturday

12:00 AM

Overcast night

14° 💧 None 💨 11 km/h H 81%1022 hPa

1:00 AM

Overcast night

13° 💧 None 💨 11 km/h H 82%1022 hPa

2:00 AM

Overcast night

13° 💧 None 💨 11 km/h H 81%1022 hPa

3:00 AM

Overcast night

13° 💧 None 💨 12 km/h H 82%1021 hPa

4:00 AM

Overcast night

12° 💧 None 💨 12 km/h H 83%1021 hPa

5:00 AM

Overcast night

12° 💧 None 💨 13 km/h H 83%1021 hPa

6:00 AM

Overcast night

11° 💧 None 💨 12 km/h H 85%1021 hPa

7:00 AM

Overcast

11° 💧 None 💨 13 km/h H 86%1021 hPa

8:00 AM

Overcast

12° 💧 None 💨 11 km/h H 83%1021 hPa

11:00 AM

Partly cloudy

17° 💧 None 💨 14 km/h H 63%1021 hPa

2:00 PM

Overcast

21° 💧 None 💨 18 km/h H 47%1019 hPa

5:00 PM

Overcast

20° 💧 None 💨 18 km/h H 53%1017 hPa

8:00 PM

Overcast night

17° 💧 None 💨 16 km/h H 54%1017 hPa

11:00 PM

Overcast night

16° 💧 None 💨 20 km/h H 45%1017 hPa

Sunday

2:00 AM

Overcast night

15° 💧 None 💨 20 km/h H 53%1016 hPa

5:00 AM

Overcast night

13° 💧 None 💨 20 km/h H 61%1015 hPa

8:00 AM

Overcast

13° 💧 None 💨 19 km/h H 61%1015 hPa

11:00 AM

Overcast

15° 💧 None 💨 18 km/h H 62%1016 hPa

2:00 PM

Light rain

17° 💧 None 💨 22 km/h H 52%1015 hPa

5:00 PM

Overcast

14° 💧 None 💨 20 km/h H 91%1016 hPa

8:00 PM

Light rain

13° 💧 None 💨 16 km/h H 94%1016 hPa

11:00 PM

Overcast night

12° 💧 None 💨 17 km/h H 95%1015 hPa

Monday

2:00 AM

Partly cloudy night

13° 💧 None 💨 16 km/h H 82%1015 hPa

5:00 AM

Overcast night

12° 💧 None 💨 16 km/h H 82%1014 hPa

8:00 AM

Overcast

13° 💧 None 💨 15 km/h H 77%1014 hPa

11:00 AM

Light rain

14° 💧 None 💨 16 km/h H 82%1014 hPa

2:00 PM

Overcast

17° 💧 None 💨 18 km/h H 70%1013 hPa

5:00 PM

Moderate rain

15° 💧 None 💨 17 km/h H 94%1012 hPa

8:00 PM

Light rain

13° 💧 None 💨 17 km/h H 97%1013 hPa

11:00 PM

Overcast night

12° 💧 None 💨 14 km/h H 97%1012 hPa

Tuesday

2:00 AM

Overcast night

12° 💧 None 💨 13 km/h H 97%1012 hPa

8:00 AM

Overcast

13° 💧 None 💨 6 km/h H 81%1013 hPa

2:00 PM

Mostly cloudy

13° 💧 None 💨 4 km/h H 86%1016 hPa

8:00 PM

Partly cloudy night

20° 💧 None 💨 6 km/h H 52%1015 hPa

Wednesday

2:00 AM

Clear night

15° 💧 None 💨 0 km/h H 77%1015 hPa

8:00 AM

Mostly sunny

13° 💧 None 💨 10 km/h H 94%1016 hPa

2:00 PM

Sunny

13° 💧 None 💨 13 km/h H 96%1017 hPa

8:00 PM

Mostly clear night

23° 💧 None 💨 19 km/h H 53%1014 hPa

Thursday

2:00 AM

Clear night

20° 💧 None 💨 23 km/h H 61%1012 hPa

8:00 AM

Partly cloudy

18° 💧 None 💨 24 km/h H 79%1012 hPa

2:00 PM

Partly cloudy

17° 💧 None 💨 21 km/h H 83%1013 hPa

8:00 PM

Partly cloudy night

25° 💧 None 💨 26 km/h H 57%1010 hPa

Friday

2:00 AM

Partly cloudy night

22° 💧 None 💨 27 km/h H 61%1008 hPa

8:00 AM

Heavy rain

18° 💧 None 💨 27 km/h H 94%1007 hPa

2:00 PM

Light rain

19° 💧 None 💨 19 km/h H 97%1007 hPa

8:00 PM

Light rain

18° 💧 None 💨 7 km/h H 94%1006 hPa

Saturday

2:00 AM

Clear night

15° 💧 None 💨 10 km/h H 94%1007 hPa

8:00 AM

Sunny

12° 💧 None 💨 9 km/h H 86%1010 hPa

2:00 PM

Sunny

10° 💧 None 💨 13 km/h H 73%1013 hPa

8:00 PM

Overcast night

14° 💧 None 💨 24 km/h H 51%1014 hPa

Sunday

2:00 AM

Overcast night

11° 💧 None 💨 13 km/h H 56%1018 hPa

8:00 AM

Partly cloudy

9° 💧 None 💨 11 km/h H 67%1021 hPa

2:00 PM

Partly cloudy

8° 💧 None 💨 7 km/h H 81%1024 hPa

8:00 PM

Mostly clear night

13° 💧 None 💨 11 km/h H 48%1023 hPa

Monday

2:00 AM

Clear night

9° 💧 None 💨 2 km/h H 65%1023 hPa

8:00 AM

Mostly cloudy

9° 💧 None 💨 7 km/h H 75%1022 hPa

2:00 PM

Mostly sunny

9° 💧 None 💨 8 km/h H 82%1022 hPa

8:00 PM

Overcast night

17° 💧 None 💨 13 km/h H 42%1020 hPa

Tuesday

2:00 AM

Partly cloudy night

12° 💧 None 💨 9 km/h H 78%1019 hPa

8:00 AM

Light rain

13° 💧 None 💨 16 km/h H 73%1016 hPa

2:00 PM

Overcast

13° 💧 None 💨 19 km/h H 84%1014 hPa

8:00 PM

Overcast night

18° 💧 None 💨 24 km/h H 58%1009 hPa

Wednesday

2:00 AM

Light rain

15° 💧 None 💨 25 km/h H 88%1003 hPa

8:00 AM

Light rain

14° 💧 None 💨 19 km/h H 93%1002 hPa

2:00 PM

Mostly sunny

11° 💧 None 💨 16 km/h H 71%1003 hPa

8:00 PM

Mostly clear night

14° 💧 None 💨 19 km/h H 58%1003 hPa

Thursday

2:00 AM

Mostly clear night

10° 💧 None 💨 14 km/h H 73%1004 hPa

In Saint-Jean-sur-Richelieu 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-Jean-sur-Richelieu

TomorrowTomorrow

Sunny 20°/6° 💧 None 💨 10 km/h

Friday, Sep 25Fri Sep 25

Mostly sunny 23°/9° 💧 None 💨 14 km/h

Saturday, Sep 26Sat Sep 26

Overcast 21°/11° 💧 None 💨 20 km/h

Sunday, Sep 27Sun Sep 27

Light rain 17°/12° 💧 3.6 mm 💨 22 km/h

Monday, Sep 28Mon Sep 28

Moderate rain 17°/12° 💧 7.7 mm 💨 18 km/h

Tuesday, Sep 29Tue Sep 29

Overcast 20°/12° 💧 0.1 mm 💨 13 km/h

Wednesday, Sep 30Wed Sep 30

Mostly sunny 23°/13° 💧 None 💨 19 km/h

Thursday, Oct 1Thu Oct 1

Partly cloudy 25°/17° 💧 None 💨 26 km/h

Friday, Oct 2Fri Oct 2

Heavy rain 22°/18° 💧 23 mm 💨 27 km/h

Saturday, Oct 3Sat Oct 3

Overcast 15°/10° 💧 2.4 mm 💨 24 km/h

Sunday, Oct 4Sun Oct 4

Overcast 13°/8° 💧 None 💨 13 km/h

Monday, Oct 5Mon Oct 5

Mostly cloudy 17°/9° 💧 None 💨 13 km/h

Tuesday, Oct 6Tue Oct 6

Light rain 18°/12° 💧 1.7 mm 💨 24 km/h

Wednesday, Oct 7Wed Oct 7

Light rain 15°/11° 💧 4.4 mm 💨 25 km/h

Thursday, Oct 8Thu Oct 8

Mostly sunny 10°/10° 💧 0.1 mm 💨 14 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Saint-Jean-sur-Richelieu

Vertical axis: °C · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Saint-Jean-sur-Richelieu

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 PM

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 0,9µg/m³

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

O₃ Ozone Fair 68,2µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Saint-Jean-sur-Richelieu

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 🙂Fair

Tomorrow UV 4,5Moderate 🙂Fair

Friday UV 4,3Moderate 🙂Fair

Saturday UV 4,4Moderate 🙂Fair

Sunday UV 4,0Moderate 🙂Fair

Monday UV 3,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

4:00 PMUV 1,8 5:00 PMUV 0,8 6:00 PMUV 0,2 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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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-Jean-sur-Richelieu

Vertical axis: km/h · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SAINT-JEAN-SUR-RICHELIEU, QUEBEC

Tonight's Stargazing & Shooting Stars

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

96/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:28 PM–5:03 AM

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

☾ Moonlight 94% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 58° 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 min70%

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-Jean-sur-Richelieu were last refreshed today at 3:05 PM. The current forecast period extends through 25/09/2026 at 1:00 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.