Today
Sun, Jun 21
Overcast
23°11°
- Rain chance
- 5%
- Precip
- 0 mm
- Max wind
- 16 km/h
Stouffville air quality
Ontario, Canada · Toronto time · 43.97°, -79.25°
Current conditions · 7:45 AM local
Current conditions in Stouffville
15°C
Clear sky
Feels like 11°C
- Humidity
- 57%
- Wind
- 10 km/h NW
- Gusts
- 19 km/h
- UV index
- 0
- Visibility
- 32.8 km
Air quality
20
Good
US AQI · European AQI 16
Air quality in Stouffville is currently good, with a US AQI of 20 (European AQI 16). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 7.9 µg/m³.
Pollutants
- PM2.5
- 7.9 µg/m³
- PM10
- 8 µg/m³
- Ozone (O₃)
- 39 µg/m³
- NO₂
- 5.3 µg/m³
- SO₂
- 1 µg/m³
- CO
- 119 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
Conditions in Stouffville at the moment: clear sky, 15 °C. It feels close to the actual reading at 13 °C. Wind is from the NW at 10 km/h. Humidity stands at 69% with sea-level pressure near 1013 hPa.
At a glance
Today
23° / 11°Overcast
Tomorrow
17° / 14°Slight rain · 37% chance of rain
Upcoming · to Saturday
24° / 11°A steady stretch: highs near 24°, lows around 11°, and no day above a 46% rain chance through Saturday.
Ad · 728×90
Next 3 days
Today brings overcast with a high of 23 °C and a low of 11 °C. Tomorrow brings slight rain with a high of 17 °C and a low of 14 °C. Rain chance peaks at 37% with around 10.9 mm possible. Tuesday looks like overcast; temperatures run from 10 °C up to 23 °C. Gusts may reach 48 km/h from the NNW.
Tomorrow
Mon, Jun 22
Slight rain
17°14°
- Rain chance
- 37%
- Precip
- 10.9 mm
- Max wind
- 19 km/h
Tuesday
Tue, Jun 23
Overcast
23°11°
- Rain chance
- 3%
- Precip
- 0 mm
- Max wind
- 23 km/h
Next 48 hours
- 12 AM14°0%12 km/h
- 1 AM14°0%12 km/h
- 2 AM13°0%16 km/h
- 3 AM12°0%11 km/h
- 4 AM12°0%10 km/h
- 5 AM11°0%8 km/h
- 6 AM11°0%9 km/h
- 7 AM13°0%8 km/h
- 8 AM15°0%10 km/h
- 9 AM17°0%11 km/h
- 10 AM19°0%10 km/h
- 11 AM20°0%11 km/h
- 12 PM22°0%12 km/h
- 1 PM22°1%12 km/h
- 2 PM23°3%13 km/h
- 3 PM23°1%12 km/h
- 4 PM23°4%8 km/h
- 5 PM23°5%11 km/h
- 6 PM23°5%8 km/h
- 7 PM22°2%4 km/h
- 8 PM21°2%7 km/h
- 9 PM19°0%7 km/h
- 10 PM18°0%5 km/h
- 11 PM17°0%7 km/h
- 12 AM16°0%11 km/h
- 1 AM16°0%11 km/h
- 2 AM15°0%11 km/h
- 3 AM15°0%12 km/h
- 4 AM15°1%11 km/h
- 5 AM14°1%13 km/h
- 6 AM14°5%10 km/h
- 7 AM15°11%11 km/h
- 8 AM16°21%19 km/h
- 9 AM15°19%13 km/h
- 10 AM15°32%13 km/h
- 11 AM14°32%11 km/h
- 12 PM15°33%15 km/h
- 1 PM15°34%15 km/h
- 2 PM16°37%15 km/h
- 3 PM16°24%16 km/h
- 4 PM16°8%14 km/h
- 5 PM16°6%10 km/h
- 6 PM17°5%9 km/h
- 7 PM17°10%8 km/h
- 8 PM16°10%9 km/h
- 9 PM16°3%11 km/h
- 10 PM15°3%12 km/h
- 11 PM15°3%8 km/h
In depth
Across Stouffville right now you'll find clear sky and a temperature of 15 °C, with the apparent temperature at 13 °C. Today's forecast calls for overcast, topping out near 23 °C before falling back to 11 °C overnight. Winds blow mainly from the NW around 16 km/h, with gusts up to 26 km/h. Daytime highs hold fairly steady this week, staying within 17 to 24 °C. Rain is in the picture on tomorrow, Thursday, with roughly 18 mm expected in total across the week. Tomorrow brings slight rain with a high of 17 °C and a 37% chance of precipitation. The UV index reaches 7 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:34 and sunset at 21:03, giving 15.5 hours of daylight. Current humidity sits at 69% with pressure near 1013 hPa. Looking further out, Thursday shows slight rain showers with a high around 18 °C, while Saturday ends the week at 24 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Sun & UV
- Sunrise
- 5:34 AM
- Sunset
- 9:03 PM
- Daylight
- 15h 29m
- Max UV
- 7.3 High
Wind
- Wind
- 10 km/h
- Gusts
- 19 km/h
- Direction
- NW (312°)
Farming weather
Soil temperatures today read surface 14.6 °C, 6 cm 16.8 °C, 18 cm 17.1 °C, 54 cm 14.5 °C. Soil moisture sits at 0-1 cm at 0.28 m³/m³, 3-9 cm at 0.28 m³/m³, 27-81 cm at 0.32 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. ET0 of 28 mm modestly outpaces the 18 mm of forecast rain; light supplemental irrigation may help. 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 86, maize 47.
- Topsoil moisture
- 0.287 m³/m³
- Soil temp
- 12°C
- ET₀ today
- 5.31 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 17.9 mm
- Wind
- 10 km/h
- Humidity
- 57%
Advisory summary
No weather alert thresholds are crossed for Stouffville in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
Ad · 300×250
All data for Stouffville
| Variable | Value |
|---|---|
| City | Stouffville, Ontario, Canada |
| Coordinates | 43.96682, -79.2496 |
| Elevation | 268 m |
| Timezone | America/Toronto |
| Population | 36,753 |
| Observed at (local) | 7:45 AM |
| Temperature (2 m) | 15°C |
| Apparent temperature | 11°C |
| Relative humidity (2 m) | 57% |
| Dew point (2 m) | 6°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 0% |
| Surface pressure | 981 hPa |
| Sea-level pressure | 1013 hPa |
| Wind speed (10 m) | 10 km/h |
| Wind gusts (10 m) | 19 km/h |
| Wind direction (10 m) | 312° (NW) |
| Visibility | 32.8 km |
| UV index | 0 |
| Day / night | Day |
| Today max / min | 23°C / 11°C |
| Today feels-like max / min | 23°C / 9°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 5% |
| Today max wind / gusts | 16 km/h / 26 km/h |
| Dominant wind direction | 319° (NW) |
| Sunrise / sunset | 5:34 AM / 9:03 PM |
| Daylight duration | 15h 29m |
| Sunshine duration | 13h 51m |
| Max UV index | 7.3 |
| Reference evapotranspiration (ET₀) | 5.31 mm |
| Topsoil moisture (0–1 cm) | 0.287 m³/m³ |
| Surface soil temperature | 12°C |
| US AQI | 20 |
| European AQI | 16 |
| PM2.5 | 7.9 µg/m³ |
| PM10 | 8 µg/m³ |
| Ozone (O₃) | 39 µg/m³ |
| Nitrogen dioxide (NO₂) | 5.3 µg/m³ |
| Sulphur dioxide (SO₂) | 1 µg/m³ |
| Carbon monoxide (CO) | 119 µg/m³ |
| Dust | 0 µg/m³ |
Weather widget
Preview widget →Add live Stouffville weather to your own site — paste this snippet anywhere HTML is allowed. It stays in sync automatically.
<iframe src="https://weathertomorrow.cloud/embed/city/ca/ontario/stouffville" width="320" height="180" frameborder="0" title="Stouffville weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Stouffville tomorrow?
There is a moderate chance of rain in Stouffville tomorrow, peaking at 37%.
What is the temperature in Stouffville today?
Today Stouffville sees overcast with a high of 23 °C and a low of 11 °C.
How hot will it be in Stouffville tomorrow?
Tomorrow's high in Stouffville is forecast at 17 °C with slight rain.
Is it windy in Stouffville today?
No, not especially; gusts only reach up to 26 km/h today.
What is the UV index in Stouffville today?
The UV index peaks at 7 today, which is high.
What time is sunrise and sunset in Stouffville today?
The sun rises at 05:34 and sets at 21:03 local time.
Is the air quality in Stouffville good today?
Air quality is good right now, with a US AQI reading of 20.