Granby Weather Conditions
Current Temperature Level
Granby Weather Conditions
Current Temperature Level
Last Updated: 2026-09-28 07:00 (Local Time)
Overcast
Fully overcast skies with a high of 13 °C. Humidity will be 79%, and winds at 20.9 km/h.17°C / 11°C
Sunrise
06:45 AM11hrs 52min
Sunset
06:37 PMSeptemberWeather Overview
No. of days:
Sunny
14
Cloudy
1
Rainy
2
Snowy
0
The monthly weather averages in Granby consist of 14 sunny days, 1 cloudy days, 2 rainy days, and 0 snowy days.
Granby's Locations Weather Conditions
Canada's Hottest Cities - September 2026
1.
Milton, Ontario
15 °C
Overcast
77%
0
7.9 kmph / NNE
2.
Oakville, Ontario
15 °C
Overcast
77%
0
7.9 kmph / NNE
3.
St Catharines, Ontario
15 °C
Patchy rain nearby
88%
0
18 kmph / NE
4.
St. Catharines, Ontario
15 °C
Patchy rain nearby
88%
0
18 kmph / NE
5.
Burlington, Ontario
15 °C
Patchy rain nearby
86%
0
12.2 kmph / NE
6.
Mississauga, Ontario
15 °C
Overcast
77%
0
7.9 kmph / NNE
7.
Hamilton, Ontario
15 °C
Patchy rain nearby
86%
0
12.2 kmph / NE
8.
Toronto, Ontario
14 °C
Patchy rain nearby
78%
0
9.4 kmph / NNE
9.
Sarnia, Ontario
14 °C
Mist
94%
0
11.5 kmph / N
10.
Moonbeam, Ontario
14 °C
Partly Cloudy
73%
0
5.4 kmph / NW
Last Updated: 28 Sept 2026, 11:43 AM
City Weather RankingsFAQs About Granby Weather Conditions
1. What is the current temperature in Granby today - 28 September 2026?
1. What is the current temperature in Granby today - 28 September 2026?
The current temperature in Granby is 12°C, with a feels-like temperature of 9°C. Today's forecast shows a high of 17°C and a low of 11°C, giving a 6 degree swing through the day as of 07:00 AM 28 September 2026.
2. What are the current weather parameters in Granby today?
2. What are the current weather parameters in Granby today?
Here is a complete overview of Granby's current weather conditions as of 07:00 AM 28 September 2026: Condition : Patchy rain nearby Temperature : 12°C Cool (Feels like 9°C) Humidity : 76% Wind Speed : 15.5 km/h from ENE (62 degrees), Gust 9.4 m/s UV Index : 0 (Low Air Pressure : 1017 mb Cloud Cover : 78% Visibility : 10 km Precipitation : 0.02 mm (39% chance of rain)
3. What is the 10-day weather forecast for Granby from 07:00 AM 28 September 2026?
3. What is the 10-day weather forecast for Granby from 07:00 AM 28 September 2026?
From 07:00 AM 28 September 2026, Granby's 10-day forecast shows this trend: Today (Sep. 28) : Temp. 13°C, Hum. 79% and Overcast condition. Tuesday (Sep. 29) : Temp. 13°C, Hum. 87% and Overcast condition. Wednesday (Sep. 30) : Temp. 16°C, Hum. 85% and Overcast condition. Thursday (Oct. 1) : Temp. 18°C, Hum. 80% and Overcast condition. Friday (Oct. 2) : Temp. 16°C, Hum. 68% and Overcast condition. Saturday (Oct. 3) : Temp. 7°C, Hum. 65% and Sunny condition. Sunday (Oct. 4) : Temp. 10°C, Hum. 61% and Overcast condition. Monday (Oct. 5) : Temp. 12°C, Hum. 94% and Rain Shower condition. Tuesday (Oct. 6) : Temp. 12°C, Hum. 77% and Rain Showers condition. Wednesday (Oct. 7) : Temp. 13°C, Hum. 85% and Rain Showers condition.
4. Will it rain in Granby today?
4. Will it rain in Granby today?
As of 07:00 AM 28 September 2026, yes — Granby is currently experiencing rainfall with 0.02 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.
5. What is the monthly weather forecast for Granby in September 2026?
5. What is the monthly weather forecast for Granby in September 2026?
September 2026 in Granby is forecast to have 14 sunny days, 2 rainy days, 1 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 4°C to highs of 28°C.
6. How does the weather in Granby affect air quality?
6. How does the weather in Granby affect air quality?
Weather directly impacts air quality in Granby. 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.




