Today
Sun, Jun 21
Moderate drizzle
22°15°
- Rain chance
- 46%
- Precip
- 1 mm
- Max wind
- 16 km/h
Granby air quality
Quebec, Canada · Toronto time · 45.40°, -72.73°
Current conditions · 8:30 PM local
Current conditions in Granby
19°C
Mainly clear
Feels like 16°C
- Humidity
- 99%
- Wind
- 6 km/h S
- Gusts
- 12 km/h
- UV index
- 0
- Visibility
- 2.7 km
Air quality
37
Good
US AQI · European AQI 21
Air quality in Granby is currently good, with a US AQI of 37 (European AQI 21). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 4.3 µg/m³.
Pollutants
- PM2.5
- 4.3 µg/m³
- PM10
- 4.3 µg/m³
- Ozone (O₃)
- 53 µg/m³
- NO₂
- 6.9 µg/m³
- SO₂
- 1.7 µg/m³
- CO
- 134 µg/m³
- Dust
- 0 µg/m³
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now
Granby is currently seeing mainly clear, with 19 °C on the thermometer. It feels close to the actual reading at 20 °C. Wind is from the S at 6 km/h. Humidity stands at 83% with sea-level pressure near 1013 hPa.
At a glance
Today
22° / 15°Moderate drizzle · 46% chance of rain
Tomorrow
24° / 15°Light drizzle
Upcoming · to Saturday
23° / 11°Highs 23°, lows 11°. The most active day looks like Friday, when rain chances peak at 78%.
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Next 3 days
Expect moderate drizzle today, between 15 °C and 22 °C. Rain chance peaks at 46% with around 1 mm possible. Tomorrow brings light drizzle with a high of 24 °C and a low of 14 °C. Gusts may reach 44 km/h from the S. Tuesday looks like dense drizzle; temperatures run from 16 °C up to 22 °C. Rain chance peaks at 35% with around 5 mm possible.
Tomorrow
Mon, Jun 22
Light drizzle
24°15°
- Rain chance
- 14%
- Precip
- 0.4 mm
- Max wind
- 24 km/h
Tuesday
Tue, Jun 23
Dense drizzle
22°16°
- Rain chance
- 35%
- Precip
- 5 mm
- Max wind
- 14 km/h
Next 48 hours
- 12 AM15°15%7 km/h
- 1 AM15°18%10 km/h
- 2 AM15°14%5 km/h
- 3 AM15°12%8 km/h
- 4 AM15°19%11 km/h
- 5 AM15°18%11 km/h
- 6 AM15°9%9 km/h
- 7 AM16°5%8 km/h
- 8 AM17°4%11 km/h
- 9 AM17°4%12 km/h
- 10 AM18°2%13 km/h
- 11 AM18°4%12 km/h
- 12 PM20°6%12 km/h
- 1 PM21°10%16 km/h
- 2 PM22°14%14 km/h
- 3 PM22°19%10 km/h
- 4 PM19°46%13 km/h
- 5 PM20°41%9 km/h
- 6 PM21°30%7 km/h
- 7 PM20°20%4 km/h
- 8 PM19°17%6 km/h
- 9 PM18°17%9 km/h
- 10 PM18°12%9 km/h
- 11 PM17°14%8 km/h
- 12 AM16°14%8 km/h
- 1 AM16°5%7 km/h
- 2 AM15°4%7 km/h
- 3 AM15°1%8 km/h
- 4 AM15°1%7 km/h
- 5 AM15°1%10 km/h
- 6 AM15°1%11 km/h
- 7 AM17°0%12 km/h
- 8 AM18°0%12 km/h
- 9 AM19°0%12 km/h
- 10 AM20°0%9 km/h
- 11 AM21°0%9 km/h
- 12 PM22°0%8 km/h
- 1 PM23°1%9 km/h
- 2 PM24°1%11 km/h
- 3 PM24°2%13 km/h
- 4 PM24°2%10 km/h
- 5 PM24°5%12 km/h
- 6 PM19°10%24 km/h
- 7 PM18°9%16 km/h
- 8 PM18°6%9 km/h
- 9 PM17°7%10 km/h
- 10 PM16°13%8 km/h
- 11 PM16°12%5 km/h
In depth
The weather picture for Granby opens with mainly clear; it's 19 °C out, feeling like 20 °C. Today's forecast calls for moderate drizzle, topping out near 22 °C before falling back to 15 °C overnight. Winds blow mainly from the SW around 16 km/h, with gusts up to 27 km/h. Daytime highs hold fairly steady this week, staying within 20 to 24 °C. Rain is in the picture on today, Tuesday, Wednesday and beyond, with roughly 20 mm expected in total across the week. Tomorrow brings light drizzle with a high of 24 °C and a 14% chance of precipitation. Sunrise comes at 05:02 and sunset at 20:42, giving 15.7 hours of daylight. Current humidity sits at 83% with pressure near 1013 hPa. Looking further out, Thursday shows light drizzle with a high around 23 °C, while Saturday ends the week at 22 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Sun & UV
- Sunrise
- 5:02 AM
- Sunset
- 8:42 PM
- Daylight
- 15h 40m
- Max UV
- 5.35 Moderate
Wind
- Wind
- 6 km/h
- Gusts
- 12 km/h
- Direction
- S (180°)
Farming weather
Soil temperatures today read surface 15.9 °C, 6 cm 16.6 °C, 18 cm 16.6 °C, 54 cm 14.3 °C. Soil moisture sits at 0-1 cm at 0.33 m³/m³, 3-9 cm at 0.34 m³/m³, 27-81 cm at 0.37 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Forecast rain (20 mm) roughly covers crop water demand (ET0 24 mm), so irrigation can likely be paused. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 92, maize 53.
- Topsoil moisture
- 0.368 m³/m³
- Soil temp
- 16°C
- ET₀ today
- 3.17 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 19.5 mm
- Wind
- 6 km/h
- Humidity
- 99%
Advisory summary
No weather alert thresholds are crossed for Granby in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
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All data for Granby
| Variable | Value |
|---|---|
| City | Granby, Quebec, Canada |
| Coordinates | 45.40008, -72.73243 |
| Elevation | 102 m |
| Timezone | America/Toronto |
| Population | 66,222 |
| Observed at (local) | 8:30 PM |
| Temperature (2 m) | 19°C |
| Apparent temperature | 16°C |
| Relative humidity (2 m) | 99% |
| Dew point (2 m) | 15°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 1 |
| Cloud cover | 49% |
| Surface pressure | 1000 hPa |
| Sea-level pressure | 1013 hPa |
| Wind speed (10 m) | 6 km/h |
| Wind gusts (10 m) | 12 km/h |
| Wind direction (10 m) | 180° (S) |
| Visibility | 2.7 km |
| UV index | 0 |
| Day / night | Day |
| Today max / min | 22°C / 15°C |
| Today feels-like max / min | 23°C / 15°C |
| Today precipitation sum | 1 mm |
| Today rain sum | 1 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 46% |
| Today max wind / gusts | 16 km/h / 27 km/h |
| Dominant wind direction | 225° (SW) |
| Sunrise / sunset | 5:02 AM / 8:42 PM |
| Daylight duration | 15h 40m |
| Sunshine duration | 10h 54m |
| Max UV index | 5.35 |
| Reference evapotranspiration (ET₀) | 3.17 mm |
| Topsoil moisture (0–1 cm) | 0.368 m³/m³ |
| Surface soil temperature | 16°C |
| US AQI | 37 |
| European AQI | 21 |
| PM2.5 | 4.3 µg/m³ |
| PM10 | 4.3 µg/m³ |
| Ozone (O₃) | 53 µg/m³ |
| Nitrogen dioxide (NO₂) | 6.9 µg/m³ |
| Sulphur dioxide (SO₂) | 1.7 µg/m³ |
| Carbon monoxide (CO) | 134 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/ca/quebec/granby" width="320" height="180" frameborder="0" title="Granby weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Granby tomorrow?
Rain is unlikely in Granby tomorrow; the precipitation chance stays around 14%.
What is the temperature in Granby today?
Today Granby sees moderate drizzle with a high of 22 °C and a low of 15 °C.
How hot will it be in Granby tomorrow?
Tomorrow's high in Granby is forecast at 24 °C with light drizzle.
Is it windy in Granby today?
No, not especially; gusts only reach up to 27 km/h today.
What is the UV index in Granby today?
The UV index peaks at 5 today, which is moderate.
What time is sunrise and sunset in Granby today?
The sun rises at 05:02 and sets at 20:42 local time.
Is the air quality in Granby good today?
Air quality is good right now, with a US AQI reading of 37.