Alliston, ON

Current Conditions

Cloudy

Cloudy

16°C61°F

Wind:
SSE 19
gust 30 km/h
SSE 12
gust 18 mph
More details
Temperature:
16.2°C
61.2° F
Pressure:
101.7 kPa
30.0 inches
Dew point:
15.3°C
59.5°F
Visibility:
15 km
9 miles
Humidity:
94%
Date:
9:00 AM EDT Tuesday 25 September 2018
Observed at:
CFB Borden
Past 24 hour ConditionsPast 24 hour Conditions
Weather Radar
Satellite
Lightning
Alerts
Jet Stream
Hourly Forecast

ForecastForecast issued: 5:00 AM EDT Tuesday 25 September 2018

Detailed ForecastForecast issued: 5:00 AM EDT Tuesday 25 September 2018

Chance of showers
Today
21°C70°F
Cloudy with 70 percent chance of showers. Risk of a thunderstorm late this afternoon. Wind south 30 km/h gusting to 50. High 21. Humidex 29. UV index 4 or moderate.
A few showers
Tonight
18°C64°F
A few showers ending before morning then cloudy. Risk of a thunderstorm this evening and after midnight. Wind southwest 20 km/h gusting to 40. Low 18.
Chance of showers
Wed, 26 Sep
19°C66°F
Mainly cloudy with 40 percent chance of showers. Wind west 20 km/h gusting to 40. High 19. UV index 5 or moderate.
Night:  Cloudy periods. Low plus 5.
Sunny
Thu, 27 Sep
18°C64°F
Sunny. High 18.
Night:  Cloudy periods. Low 11.
Chance of showers
Fri, 28 Sep
19°C66°F
A mix of sun and cloud with 30 percent chance of showers. High 19.
Night:  Cloudy periods. Low 6.
A mix of sun and cloud
Sat, 29 Sep
15°C59°F
A mix of sun and cloud. High 15.
Night:  Cloudy periods. Low plus 5.
A mix of sun and cloud
Sun, 30 Sep
12°C54°F
A mix of sun and cloud. High 12.
Night:  Cloudy with 30 percent chance of showers. Low 6.
Chance of showers
Mon, 1 Oct
12°C54°F
Cloudy with 40 percent chance of showers. High 12.
Normals:
Max 17°C.63°F. Min 7°C.45°F.
Sunrise:
7:10 EDT
Sunset:
19:12 EDT

Averages and extremes

20 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2018)
  • 27.6°C81.7°F
  • 2017
Lowest temperature (2004-2018)
  • -3.0°C26.6°F
  • 2009
Greatest precipitation (2011-2018)
  • 15.0 mm0.59 inches
  • 2013
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
21 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2018)
  • 32.3°C90.1°F
  • 2018
Lowest temperature (2004-2018)
  • 1.8°C35.2°F
  • 2006
Greatest precipitation (2011-2018)
  • 26.5 mm1.04 inches
  • 2013
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
22 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2016)
  • 29.4°C84.9°F
  • 2004
Lowest temperature (2004-2017)
  • 0.5°C32.9°F
  • 2006
Greatest precipitation (2011-2016)
  • 7.5 mm0.3 inches
  • 2012
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
23 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2018)
  • 32.1°C89.8°F
  • 2017
Lowest temperature (2004-2018)
  • -1.2°C29.8°F
  • 2018
Greatest precipitation (2011-2018)
  • 22.0 mm0.87 inches
  • 2011
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
24 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2017)
  • 34.0°C93.2°F
  • 2017
Lowest temperature (2004-2017)
  • -2.0°C28.4°F
  • 2013
Greatest precipitation (2011-2017)
  • 0.5 mm0.02 inches
  • 2011
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
25 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2015)
  • 32.0°C89.6°F
  • 2007
Lowest temperature (2004-2015)
  • -1.0°C30.2°F
  • 2013
Greatest precipitation (2011-2015)
  • 0.5 mm0.02 inches
  • 2011
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
26 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2017)
  • 33.2°C91.8°F
  • 2017
Lowest temperature (2004-2015)
  • -0.6°C30.9°F
  • 2009
Greatest precipitation (2011-2015)
  • 0.5 mm0.02 inches
  • 2015
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
27 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2017)
  • 26.0°C78.8°F
  • 2004
Lowest temperature (2004-2017)
  • 0.4°C32.7°F
  • 2012
Greatest precipitation (2011-2017)
  • 2.0 mm0.08 inches
  • 2012
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
28 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2014)
  • 24.9°C76.8°F
  • 2014
Lowest temperature (2004-2017)
  • -0.8°C30.6°F
  • 2012
Greatest precipitation (2011-2014)
  • 2.5 mm0.1 inches
  • 2011
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
29 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2016)
  • 25.8°C78.4°F
  • 2014
Lowest temperature (2004-2017)
  • -1.5°C29.3°F
  • 2004
Greatest precipitation (2011-2016)
  • 2.5 mm0.1 inches
  • 2012
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a
30 September
Average high
  • n/a
Average low
  • n/a
Highest temperature (2004-2014)
  • 24.2°C75.6°F
  • 2007
Lowest temperature (2004-2017)
  • -0.6°C30.9°F
  • 2004
Greatest precipitation (2011-2013)
  • 11.0 mm0.43 inches
  • 2011
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a

Yesterday's Data

No data available for this location

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