Wellesley Weather Conditions

Current Temperature Level

overcast
15°C
21°C14°C
Cool

Overcast

Feels Like 14°C

Chances of Rain30%

Moderate

97AQI

Humidity

90%

Nowovercast15°30%8 AMovercast16°29%9 AMovercast15°26%10 AMovercast16°22%11 AMovercast17°18%12 PMovercast19°14%1 PMovercast20°13%2 PMovercast21°12%3 PMovercast21°12%4 PMovercast20°14%5 PMovercast19°15%6 PMovercast18°16%7 PMovercast18°18%8 PMovercast19°20%9 PMovercast19°20%10 PMovercast19°19%11 PMovercast19°17%12 AMovercast17°15%1 AMlight drizzle16°43%2 AMmoderate rain14°91%3 AMmoderate rain14°87%4 AMovercast14°33%5 AMovercast14°33%6 AMlight rain15°74%
.

Skies may remain grey and overcast.

Last Updated: 2026-09-30 07:00 (Local Time)

Wellesley Weather Parameters

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Wellesley 10-Days Weather Forecast

See Monthly
Today30 Sep.


Overcast

Overcast

Fully overcast skies with a high of 17 °C. Humidity will be 71%, and winds at 20.5 km/h.


temperature icon

21°C  /  14°C

temperature iconHumi.71 %
temperature iconPrec.0 mm


Sunrise icon

Sunrise

07:19 AM

11hrs 47min

Sunset icon

Sunset

07:06 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

OvercastOvercast

14 °C

70 %

0

9.4 kmph /  SW

Feels Like IconFeels 12 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

1 AM

OvercastOvercast

14 °C

72 %

0

9 kmph /  SSW

Feels Like IconFeels 12 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

2 AM

CloudyCloudy

15 °C

75 %

0

9.7 kmph /  SW

Feels Like IconFeels 13 °C

Temperature IconCover 82 %

Visibility IconVisibility 10 km

3 AM

OvercastOvercast

14 °C

81 %

0

9.7 kmph /  SSW

Feels Like IconFeels 12 °C

Temperature IconCover 99 %

Visibility IconVisibility 10 km

4 AM

OvercastOvercast

14 °C

81 %

0

9.4 kmph /  SW

Feels Like IconFeels 12 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

5 AM

OvercastOvercast

15 °C

76 %

0

10.1 kmph /  SSW

Feels Like IconFeels 13 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

6 AM

OvercastOvercast

15 °C

80 %

0

10.1 kmph /  SW

Feels Like IconFeels 14 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

7 AM

OvercastOvercast

15 °C

90 %

0

10.1 kmph /  SW

Feels Like IconFeels 14 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

8 AM

OvercastOvercast

16 °C

89 %

0

11.5 kmph /  SW

Feels Like IconFeels 15 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

9 AM

OvercastOvercast

15 °C

84 %

0.4

13.3 kmph /  SW

Feels Like IconFeels 13 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

10 AM

OvercastOvercast

16 °C

76 %

0.9

17.3 kmph /  SSW

Feels Like IconFeels 14 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

11 AM

OvercastOvercast

17 °C

69 %

2.1

18.7 kmph /  SSW

Feels Like IconFeels 14 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

12 PM

OvercastOvercast

19 °C

60 %

3

20.5 kmph /  SW

Feels Like IconFeels 16 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

1 PM

OvercastOvercast

20 °C

54 %

3.7

18.4 kmph /  SW

Feels Like IconFeels 17 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

2 PM

OvercastOvercast

21 °C

52 %

2.1

18.4 kmph /  SW

Feels Like IconFeels 17 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

3 PM

OvercastOvercast

21 °C

53 %

2.2

16.9 kmph /  SW

Feels Like IconFeels 17 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

4 PM

OvercastOvercast

20 °C

57 %

0.4

18 kmph /  SSW

Feels Like IconFeels 17 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

5 PM

OvercastOvercast

19 °C

61 %

0.3

16.9 kmph /  SSW

Feels Like IconFeels 16 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

6 PM

OvercastOvercast

18 °C

65 %

0.1

15.1 kmph /  SSW

Feels Like IconFeels 15 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

7 PM

OvercastOvercast

18 °C

70 %

0

13.7 kmph /  SW

Feels Like IconFeels 16 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

8 PM

OvercastOvercast

19 °C

74 %

0

10.8 kmph /  SSW

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

9 PM

OvercastOvercast

19 °C

74 %

0

10.8 kmph /  SW

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

10 PM

OvercastOvercast

19 °C

72 %

0

10.4 kmph /  SW

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

11 PM

OvercastOvercast

19 °C

67 %

0

11.5 kmph /  SW

Feels Like IconFeels 17 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

Temp15 °C


ConditionOvercast


Humidity90 %

Feels14 °C


Cover100 %


Visibility10 km

Wind Speed & Dir.10.1 kmph /  SW


UV0

Wellesley 30-Days (September 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny32°20°
2
Fog32°20°
3
Overcast27°17°
4
Sunny25°16°
5
Sunny24°14°
6
Sunny24°13°
7
Sunny27°11°
8
Overcast26°11°
9
Light Drizzle24°16°
10
Overcast25°14°
11
Sunny25°8°
12
Overcast26°10°
13
Patchy rain nearby22°12°
14
Sunny18°9°
15
Overcast22°12°
16
Overcast23°16°
17
Overcast22°16°
18
Sunny20°12°
19
Overcast16°10°
20
Overcast19°10°
21
Overcast13°6°
22
Sunny15°6°
23
Sunny17°7°
24
Sunny17°9°
25
Sunny19°8°
26
Overcast21°9°
27
Sunny22°11°
28
Partly Cloudy20°11°
29
Sunny22°13°
30Today
Overcast21°13°

SeptemberWeather Overview

No. of days:

Sunny

Sunny

14

Cloudy

Cloudy

1

Rainy

Rainy

1

Snowy

Snowy

0


The monthly weather averages in Wellesley consist of 14 sunny days, 1 cloudy days, 1 rainy days, and 0 snowy days.

Wellesley's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
15 °C
overcastOvercast
90%
0

10.1 kmph /  SW

Canada's Hottest Cities - September 2026

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Last Updated: 30 Sept 2026, 11:26 AM

City Weather Rankings

FAQs About Wellesley Weather Conditions


1. What is the current temperature in Wellesley today - 30 September 2026?

The current temperature in Wellesley is 15°C, with a feels-like temperature of 14°C. Today's forecast shows a high of 21°C and a low of 14°C, giving a 7 degree swing through the day as of 07:00 AM 30 September 2026.

2. What are the current weather parameters in Wellesley today?

Here is a complete overview of Wellesley's current weather conditions as of 07:00 AM 30 September 2026: Condition : Overcast Temperature : 15°C Cool (Feels like 14°C) Humidity : 90% Wind Speed : 10.1 km/h from SW (221 degrees), Gust 4.7 m/s UV Index : 0 (Low Air Pressure : 1016 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0 mm (18% chance of rain)

3. What is the 10-day weather forecast for Wellesley from 07:00 AM 30 September 2026?

From 07:00 AM 30 September 2026, Wellesley's 10-day forecast shows this trend: Today (Sep. 30) : Temp. 17°C, Hum. 71% and Overcast condition. Thursday (Oct. 1) : Temp. 19°C, Hum. 71% and Overcast condition. Friday (Oct. 2) : Temp. 14°C, Hum. 88% and Light Drizzle condition. Saturday (Oct. 3) : Temp. 10°C, Hum. 65% and Sunny condition. Sunday (Oct. 4) : Temp. 11°C, Hum. 66% and Sunny condition. Monday (Oct. 5) : Temp. 8°C, Hum. 69% and Sunny condition. Tuesday (Oct. 6) : Temp. 8°C, Hum. 65% and Sunny condition. Wednesday (Oct. 7) : Temp. 11°C, Hum. 63% and Sunny condition. Thursday (Oct. 8) : Temp. 11°C, Hum. 77% and Rain Showers condition. Friday (Oct. 9) : Temp. 11°C, Hum. 78% and Rain Showers condition.

4. Will it rain in Wellesley today?

As of 07:00 AM 30 September 2026, there is a 30% chance of rainfall in Wellesley later today around 2026-09-30 07:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Wellesley in September 2026?

September 2026 in Wellesley is forecast to have 14 sunny days, 1 rainy days, 1 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 6°C to highs of 32°C.

6. How does the weather in Wellesley affect air quality?

Weather directly impacts air quality in Wellesley. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.