Alliston Weather
Ontario, Canada
Observed: 28 Sep, 7:23 AM EST
- Air quality
- Good OpenWeather index: 1/5
- Wind
- NW 2 m/s
- Sunrise
- 6:13 AM
- Sunset
- 6:06 PM
More conditions
- Humidity
- 87%
- Visibility
- 10 km
- Pressure
- 1016 hPa
- UV index
- Unavailable
- PM2.5
- 3.15 µg/m³
- PM10
- 4.59 µg/m³
- CO
- 153.9 µg/m³
- NO2
- 8.48 µg/m³
- O3
- 43.89 µg/m³
- SO2
- 2.02 µg/m³
- NH3
- 1.57 µg/m³
Rest of today
- Rain ahead today
- 0% peak chance
- Warmest ahead
- 20°C at 4:00 PM
- Evening rain
- 0% peak chance
- Tomorrow's high
- 3°C warmer
Plan your day
Compare citiesTomorrow, 29 Sep
Overcast Clouds
Forecast sample range: 23°C / 14°C
Outdoor plans 8:00 AM-8:00 PM
10:00 AM · 21°C · 0% rain · 0.2 m/s wind
Lower rain and wind among the available forecast times.
3-hour forecast
Local time · America/Atikokan
| Time | Conditions | Temp. | Rain chance | Wind |
|---|---|---|---|---|
| 1:00 AM |  Overcast Clouds |
15°C | 0% | 0.6 m/s W |
| 4:00 AM | Overcast Clouds |
14°C | 0% | 0.9 m/s W |
| 7:00 AM |  Overcast Clouds |
16°C | 0% | 0.7 m/s W |
| 10:00 AM |  Scattered Clouds |
21°C | 0% | 0.2 m/s E |
| 1:00 PM | Broken Clouds |
23°C | 8% | 1.3 m/s SW |
| 4:00 PM | Overcast Clouds |
21°C | 0% | 1.6 m/s SW |
| 7:00 PM |  Few Clouds |
16°C | 0% | 1.5 m/s S |
| 10:00 PM | Few Clouds |
14°C | 0% | 2.7 m/s S |
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