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Alliston, Ontario

77°F
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Alliston

Ontario

77°
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Alliston, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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2 PM

78°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
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Partly sunny w/ t-storms

RealFeel Shade™73°

WindNE 6 mph

Air QualityFair

Max UV Index8.8 (Very High)

Wind Gusts10 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover47%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

3 PM

80°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™78°

Heat Index80°

WindNNE 5 mph

Air QualityFair

Max UV Index5.9 (High)

Wind Gusts13 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

81°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 35%
Chevron down
Intermittent clouds

RealFeel Shade™79°

Heat Index82°

WindNNW 6 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts14 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

80°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds

RealFeel Shade™78°

Heat Index80°

WindNNW 6 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts15 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

78°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds

RealFeel Shade™76°

WindNNW 6 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts16 mph

Humidity55%

Indoor Humidity55% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

77°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 13%
Chevron down
Intermittent clouds

RealFeel Shade™74°

WindNNW 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts16 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

75°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™74°

WindNNW 7 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts14 mph

Humidity63%

Indoor Humidity63% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™71°

WindNNW 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts13 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNW 5 mph

Air QualityFair

Wind Gusts13 mph

Humidity78%

Indoor Humidity78% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNW 5 mph

Air QualityFair

Wind Gusts12 mph

Humidity87%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Alliston

AccuWeather's hourly forecast for Alliston provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 78° with a RealFeel® of 85°, partly sunny w/ t-storms with a 51% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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Weather Near Alliston:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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