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Current weather in Wellesley is few clouds.

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

Is the weather forecast for Wellesley updated regularly?

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

Now · 1:07 AM

Wellesley Weather & Hourly Forecast

Canada · Ontario

9°C

Mostly clear night

Feels like: 4°C

💧 Humidity 75% 🌡 Pressure 1026 hPa 💨 Wind 17 km/h 👁 Visibility 36.8 km ☁ Clouds 24% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Wellesley

Today

2:00 AM

Partly cloudy night

8° 💧 None 💨 18 km/h H 76%1026 hPa

5:00 AM

Clear night

6° 💧 None 💨 18 km/h H 80%1027 hPa

8:00 AM

Mostly cloudy

6° 💧 None 💨 18 km/h H 83%1028 hPa

11:00 AM

Mostly cloudy

11° 💧 None 💨 20 km/h H 68%1028 hPa

2:00 PM

Mostly sunny

15° 💧 None 💨 22 km/h H 59%1028 hPa

5:00 PM

Sunny

14° 💧 None 💨 20 km/h H 58%1028 hPa

8:00 PM

Clear night

10° 💧 None 💨 16 km/h H 74%1029 hPa

11:00 PM

Clear night

9° 💧 None 💨 16 km/h H 82%1031 hPa

Tomorrow

2:00 AM

Clear night

8° 💧 None 💨 17 km/h H 82%1031 hPa

5:00 AM

Clear night

7° 💧 None 💨 17 km/h H 84%1031 hPa

8:00 AM

Mostly cloudy

8° 💧 None 💨 18 km/h H 86%1032 hPa

11:00 AM

Overcast

14° 💧 0.0 mm 💨 24 km/h H 75%1032 hPa

2:00 PM

Mostly cloudy

16° 💧 None 💨 24 km/h H 59%1031 hPa

5:00 PM

Sunny

16° 💧 None 💨 24 km/h H 51%1030 hPa

8:00 PM

Clear night

12° 💧 None 💨 21 km/h H 56%1031 hPa

11:00 PM

Mostly clear night

11° 💧 None 💨 18 km/h H 74%1032 hPa

Today

2:00 AM

Partly cloudy night

8° 💧 None 💨 18 km/h H 76%1026 hPa

3:00 AM

Overcast night

8° 💧 None 💨 18 km/h H 78%1027 hPa

4:00 AM

Mostly cloudy night

7° 💧 None 💨 18 km/h H 79%1027 hPa

5:00 AM

Clear night

6° 💧 None 💨 18 km/h H 80%1027 hPa

6:00 AM

Clear night

6° 💧 None 💨 18 km/h H 83%1027 hPa

7:00 AM

Partly cloudy night

6° 💧 None 💨 17 km/h H 85%1028 hPa

8:00 AM

Mostly cloudy

6° 💧 None 💨 18 km/h H 83%1028 hPa

9:00 AM

Partly cloudy

8° 💧 None 💨 16 km/h H 78%1028 hPa

10:00 AM

Partly cloudy

10° 💧 None 💨 19 km/h H 71%1029 hPa

11:00 AM

Mostly cloudy

11° 💧 None 💨 20 km/h H 68%1028 hPa

12:00 PM

Mostly cloudy

13° 💧 None 💨 21 km/h H 64%1028 hPa

1:00 PM

Partly cloudy

14° 💧 None 💨 22 km/h H 61%1028 hPa

2:00 PM

Mostly sunny

15° 💧 None 💨 22 km/h H 59%1028 hPa

3:00 PM

Sunny

15° 💧 None 💨 22 km/h H 57%1028 hPa

4:00 PM

Sunny

15° 💧 None 💨 22 km/h H 56%1027 hPa

5:00 PM

Sunny

14° 💧 None 💨 20 km/h H 58%1028 hPa

6:00 PM

Sunny

13° 💧 None 💨 18 km/h H 63%1028 hPa

7:00 PM

Sunny

12° 💧 None 💨 15 km/h H 69%1029 hPa

8:00 PM

Clear night

10° 💧 None 💨 16 km/h H 74%1029 hPa

9:00 PM

Clear night

10° 💧 None 💨 17 km/h H 77%1030 hPa

10:00 PM

Clear night

9° 💧 None 💨 17 km/h H 80%1030 hPa

11:00 PM

Clear night

9° 💧 None 💨 16 km/h H 82%1031 hPa

Tomorrow

12:00 AM

Clear night

9° 💧 None 💨 16 km/h H 84%1031 hPa

1:00 AM

Clear night

9° 💧 None 💨 17 km/h H 82%1031 hPa

2:00 AM

Clear night

8° 💧 None 💨 17 km/h H 82%1031 hPa

3:00 AM

Clear night

8° 💧 None 💨 17 km/h H 82%1031 hPa

4:00 AM

Clear night

8° 💧 None 💨 17 km/h H 83%1031 hPa

5:00 AM

Clear night

7° 💧 None 💨 17 km/h H 84%1031 hPa

6:00 AM

Clear night

7° 💧 None 💨 17 km/h H 85%1032 hPa

7:00 AM

Clear night

7° 💧 None 💨 17 km/h H 86%1032 hPa

8:00 AM

Mostly cloudy

8° 💧 None 💨 18 km/h H 86%1032 hPa

9:00 AM

Mostly cloudy

11° 💧 None 💨 20 km/h H 83%1032 hPa

10:00 AM

Overcast

12° 💧 None 💨 23 km/h H 83%1032 hPa

11:00 AM

Overcast

14° 💧 0.0 mm 💨 24 km/h H 75%1032 hPa

12:00 PM

Mostly cloudy

15° 💧 0.0 mm 💨 25 km/h H 68%1032 hPa

1:00 PM

Mostly cloudy

16° 💧 None 💨 25 km/h H 62%1032 hPa

2:00 PM

Mostly cloudy

16° 💧 None 💨 24 km/h H 59%1031 hPa

3:00 PM

Mostly cloudy

17° 💧 None 💨 23 km/h H 55%1031 hPa

4:00 PM

Mostly sunny

16° 💧 None 💨 24 km/h H 53%1031 hPa

5:00 PM

Sunny

16° 💧 None 💨 24 km/h H 51%1030 hPa

6:00 PM

Sunny

15° 💧 None 💨 22 km/h H 51%1031 hPa

7:00 PM

Sunny

13° 💧 None 💨 21 km/h H 53%1031 hPa

8:00 PM

Clear night

12° 💧 None 💨 21 km/h H 56%1031 hPa

9:00 PM

Clear night

11° 💧 None 💨 21 km/h H 61%1031 hPa

10:00 PM

Clear night

11° 💧 None 💨 20 km/h H 67%1032 hPa

11:00 PM

Mostly clear night

11° 💧 None 💨 18 km/h H 74%1032 hPa

Thursday

12:00 AM

Mostly cloudy night

11° 💧 None 💨 17 km/h H 82%1031 hPa

1:00 AM

Mostly cloudy night

10° 💧 None 💨 16 km/h H 89%1031 hPa

2:00 AM

Mostly cloudy night

10° 💧 None 💨 15 km/h H 93%1031 hPa

3:00 AM

Overcast night

10° 💧 None 💨 15 km/h H 93%1031 hPa

4:00 AM

Overcast night

9° 💧 None 💨 14 km/h H 94%1031 hPa

5:00 AM

Overcast night

9° 💧 None 💨 13 km/h H 96%1031 hPa

6:00 AM

Mostly cloudy night

9° 💧 None 💨 13 km/h H 97%1031 hPa

7:00 AM

Mostly clear night

9° 💧 None 💨 13 km/h H 98%1031 hPa

8:00 AM

Mostly cloudy

9° 💧 None 💨 14 km/h H 99%1031 hPa

5:00 PM

Sunny

17° 💧 None 💨 15 km/h H 52%1029 hPa

8:00 PM

Clear night

11° 💧 None 💨 10 km/h H 72%1029 hPa

11:00 PM

Clear night

9° 💧 None 💨 9 km/h H 80%1029 hPa

Friday

2:00 AM

Clear night

7° 💧 None 💨 7 km/h H 90%1028 hPa

5:00 AM

Clear night

7° 💧 None 💨 6 km/h H 95%1028 hPa

8:00 AM

Sunny

7° 💧 None 💨 9 km/h H 92%1029 hPa

11:00 AM

Sunny

15° 💧 None 💨 11 km/h H 55%1029 hPa

2:00 PM

Sunny

18° 💧 None 💨 12 km/h H 47%1027 hPa

5:00 PM

Sunny

19° 💧 None 💨 8 km/h H 52%1025 hPa

8:00 PM

Clear night

13° 💧 None 💨 8 km/h H 73%1025 hPa

11:00 PM

Clear night

10° 💧 None 💨 8 km/h H 85%1026 hPa

Saturday

2:00 AM

Clear night

10° 💧 None 💨 10 km/h H 83%1025 hPa

5:00 AM

Clear night

10° 💧 None 💨 10 km/h H 88%1024 hPa

8:00 AM

Sunny

9° 💧 None 💨 9 km/h H 86%1024 hPa

11:00 AM

Sunny

18° 💧 None 💨 10 km/h H 57%1024 hPa

2:00 PM

Sunny

20° 💧 None 💨 8 km/h H 41%1023 hPa

5:00 PM

Sunny

21° 💧 None 💨 10 km/h H 37%1021 hPa

8:00 PM

Clear night

14° 💧 None 💨 9 km/h H 61%1021 hPa

11:00 PM

Mostly cloudy night

12° 💧 None 💨 12 km/h H 73%1020 hPa

Sunday

2:00 AM

Partly cloudy night

11° 💧 None 💨 9 km/h H 86%1019 hPa

5:00 AM

Clear night

10° 💧 None 💨 10 km/h H 87%1018 hPa

8:00 AM

Sunny

10° 💧 None 💨 11 km/h H 84%1018 hPa

11:00 AM

Sunny

18° 💧 None 💨 15 km/h H 53%1018 hPa

2:00 PM

Sunny

21° 💧 None 💨 15 km/h H 44%1016 hPa

8:00 PM

Mostly clear night

21° 💧 None 💨 14 km/h H 45%1016 hPa

Monday

2:00 AM

Clear night

15° 💧 None 💨 11 km/h H 60%1015 hPa

8:00 AM

Sunny

11° 💧 None 💨 8 km/h H 86%1016 hPa

2:00 PM

Sunny

10° 💧 None 💨 9 km/h H 81%1017 hPa

8:00 PM

Clear night

21° 💧 None 💨 13 km/h H 41%1016 hPa

Tuesday

2:00 AM

Clear night

16° 💧 None 💨 10 km/h H 60%1016 hPa

8:00 AM

Sunny

12° 💧 None 💨 7 km/h H 84%1016 hPa

2:00 PM

Sunny

11° 💧 None 💨 3 km/h H 94%1019 hPa

8:00 PM

Partly cloudy night

22° 💧 None 💨 13 km/h H 57%1017 hPa

Wednesday

2:00 AM

Partly cloudy night

18° 💧 None 💨 11 km/h H 81%1017 hPa

8:00 AM

Sunny

14° 💧 None 💨 9 km/h H 97%1018 hPa

2:00 PM

Mostly sunny

13° 💧 None 💨 10 km/h H 99%1018 hPa

8:00 PM

Light rain

23° 💧 None 💨 9 km/h H 60%1018 hPa

Thursday

2:00 AM

Partly cloudy night

19° 💧 None 💨 8 km/h H 83%1018 hPa

8:00 AM

Partly cloudy

14° 💧 None 💨 5 km/h H 96%1020 hPa

2:00 PM

Sunny

13° 💧 None 💨 6 km/h H 94%1022 hPa

8:00 PM

Clear night

24° 💧 None 💨 11 km/h H 58%1021 hPa

Friday

2:00 AM

Clear night

19° 💧 None 💨 12 km/h H 74%1021 hPa

8:00 AM

Sunny

15° 💧 None 💨 12 km/h H 94%1020 hPa

2:00 PM

Partly cloudy

15° 💧 None 💨 13 km/h H 97%1018 hPa

8:00 PM

Overcast night

24° 💧 None 💨 18 km/h H 59%1016 hPa

Saturday

2:00 AM

Moderate rain

18° 💧 None 💨 17 km/h H 93%1015 hPa

8:00 AM

Overcast

18° 💧 None 💨 10 km/h H 97%1015 hPa

2:00 PM

Overcast

18° 💧 None 💨 8 km/h H 99%1015 hPa

8:00 PM

Moderate rain

19° 💧 None 💨 13 km/h H 97%1013 hPa

Sunday

2:00 AM

Light rain

18° 💧 None 💨 22 km/h H 95%1009 hPa

8:00 AM

Overcast

18° 💧 None 💨 29 km/h H 96%1004 hPa

2:00 PM

Overcast

18° 💧 None 💨 15 km/h H 99%1004 hPa

8:00 PM

Partly cloudy night

19° 💧 None 💨 20 km/h H 87%1002 hPa

Monday

2:00 AM

Clear night

14° 💧 None 💨 23 km/h H 71%1004 hPa

8:00 AM

Mostly sunny

12° 💧 None 💨 27 km/h H 86%1005 hPa

2:00 PM

Overcast

10° 💧 None 💨 24 km/h H 85%1009 hPa

8:00 PM

Light rain

13° 💧 None 💨 29 km/h H 69%1011 hPa

Tuesday

2:00 AM

Overcast night

12° 💧 None 💨 15 km/h H 81%1013 hPa

8:00 AM

Mostly sunny

9° 💧 None 💨 10 km/h H 91%1015 hPa

2:00 PM

Sunny

8° 💧 None 💨 7 km/h H 95%1016 hPa

In Wellesley and, more broadly, across the province of Ontario: Across the region this evening, mainly cloudy skies are expected to persist, with temperatures remaining in the range of 12 to 14 degrees Celsius. In many areas, conditions will stay dry through the night, although some gusts from the northeast could reach up to 25 km/h, with sustained winds around 13 km/h. Winds may cause occasional breezes, but no significant weather hazards are anticipated during the next few hours. Temperatures are likely to remain steady, with no notable changes expected overnight.

15-Day Weather Outlook for Wellesley

TomorrowTomorrow

Mostly cloudy 17°/7° 💧 None 💨 25 km/h

Thursday, Sep 24Thu Sep 24

Mostly cloudy 17°/9° 💧 0.0 mm 💨 17 km/h

Friday, Sep 25Fri Sep 25

Sunny 19°/7° 💧 None 💨 12 km/h

Saturday, Sep 26Sat Sep 26

Mostly cloudy 21°/9° 💧 None 💨 12 km/h

Sunday, Sep 27Sun Sep 27

Partly cloudy 21°/10° 💧 None 💨 15 km/h

Monday, Sep 28Mon Sep 28

Sunny 21°/10° 💧 0.0 mm 💨 13 km/h

Tuesday, Sep 29Tue Sep 29

Partly cloudy 22°/11° 💧 None 💨 13 km/h

Wednesday, Sep 30Wed Sep 30

Light rain 23°/13° 💧 0.4 mm 💨 11 km/h

Thursday, Oct 1Thu Oct 1

Partly cloudy 24°/13° 💧 0.5 mm 💨 11 km/h

Friday, Oct 2Fri Oct 2

Partly cloudy 24°/15° 💧 None 💨 18 km/h

Saturday, Oct 3Sat Oct 3

Moderate rain 19°/18° 💧 5.9 mm 💨 17 km/h

Sunday, Oct 4Sun Oct 4

Light rain 19°/18° 💧 22 mm 💨 29 km/h

Monday, Oct 5Mon Oct 5

Light rain 14°/10° 💧 1.1 mm 💨 29 km/h

Tuesday, Oct 6Tue Oct 6

Overcast 12°/8° 💧 0.4 mm 💨 15 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Wellesley

Vertical axis: °C · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Wellesley

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 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 Fair 66,3µg/m³

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

NO₂ Nitrogen dioxide Good 2,9µg/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 Wellesley

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 5,2Moderate 🙂Fair

Tomorrow UV 4,5Moderate 🙂Fair

Thursday UV 5,0Moderate 🙂Fair

Friday UV 5,0Moderate 😐Moderate

Saturday UV 5,0Moderate 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Wellesley

Vertical axis: km/h · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WELLESLEY, ONTARIO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

92/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 8:58 PM–5:34 AM

☁ Cloud cover 11% Real hourly forecast for the best viewing hour.

☾ Moonlight 81% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 57° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min68%

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 Wellesley were last refreshed today at 1:07 AM. The current forecast period extends through 23/09/2026 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.