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Alliston, Ontario

66°F
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Alliston

Ontario

66°
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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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5 AM

70°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 68%
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Thunderstorms

WindSW 4 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

71°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™72°

WindSSW 6 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts13 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

72°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 39%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindS 7 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts16 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling19000 ft

8 AM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™76°

WindWSW 8 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts16 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling19000 ft

9 AM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™77°

WindWSW 9 mph

Air QualityExcellent

Max UV Index1.4 (Low)

Wind Gusts17 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling19000 ft

10 AM

77°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™79°

WindWSW 10 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts18 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling1600 ft

11 AM

79°
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 20%
Chevron down
Cloudy

RealFeel Shade™80°

Heat Index80°

WindWSW 10 mph

Air QualityExcellent

Max UV Index1.7 (Low)

Wind Gusts20 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling1600 ft

12 PM

80°
RealFeel® 84°
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 20%
Chevron down
Cloudy

RealFeel Shade™81°

Heat Index83°

WindW 10 mph

Air QualityExcellent

Max UV Index2.4 (Low)

Wind Gusts22 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2400 ft

1 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 16%
Chevron down
Cloudy

RealFeel Shade™82°

Heat Index84°

WindW 9 mph

Air QualityExcellent

Max UV Index2.7 (Moderate)

Wind Gusts23 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2400 ft

2 PM

83°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 7%
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Cloudy

RealFeel Shade™85°

Heat Index87°

WindW 9 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts22 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

81°
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 7%
Chevron down
Cloudy

RealFeel Shade™82°

Heat Index84°

WindWNW 8 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts20 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

81°
RealFeel® 84°
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 7%
Chevron down
Cloudy

RealFeel Shade™82°

Heat Index84°

WindNW 8 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts18 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3200 ft

5 PM

80°
RealFeel® 84°
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 7%
Chevron down
Cloudy

RealFeel Shade™82°

Heat Index83°

WindNNW 7 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts18 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

79°
RealFeel® 83°
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 7%
Chevron down
Cloudy

RealFeel Shade™81°

Heat Index80°

WindNNW 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts16 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

78°
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 5%
Chevron down
Cloudy

RealFeel Shade™82°

WindNNW 6 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts13 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

78°
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 0%
Chevron down
Sunny

RealFeel Shade™82°

WindNNW 5 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts12 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™78°

WindW 4 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts10 mph

Humidity81%

Indoor Humidity81% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindS 4 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover41%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindS 5 mph

Air QualityFair

Wind Gusts12 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover61%

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 70° with a RealFeel® of 70°, thunderstorms with a 68% 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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