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Alliston, Ontario

69°F
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Alliston

Ontario

69°
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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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10 AM

67°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™65°

WindNE 7 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts14 mph

Humidity74%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling19100 ft

11 AM

69°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™66°

WindNE 7 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts17 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

72°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™70°

WindNE 8 mph

Air QualityFair

Max UV Index7.7 (Very High)

Wind Gusts17 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

76°
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 0%
Chevron down
Partly sunny

RealFeel Shade™73°

WindENE 8 mph

Air QualityFair

Max UV Index9.7 (Very High)

Wind Gusts16 mph

Humidity58%

Indoor Humidity58% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover44%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

80°
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 0%
Chevron down
Intermittent clouds

RealFeel Shade™77°

Heat Index81°

WindENE 10 mph

Air QualityFair

Max UV Index7.7 (Very High)

Wind Gusts18 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 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 0%
Chevron down
Intermittent clouds

RealFeel Shade™78°

Heat Index82°

WindENE 10 mph

Air QualityFair

Max UV Index5.9 (High)

Wind Gusts18 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

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 0%
Chevron down
Intermittent clouds

RealFeel Shade™79°

Heat Index82°

WindENE 9 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts17 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point62° 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 0%
Chevron down
Intermittent clouds

RealFeel Shade™78°

Heat Index82°

WindENE 9 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts17 mph

Humidity55%

Indoor Humidity55% (Humid)

Dew Point63° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

80°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™78°

Heat Index80°

WindE 8 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts16 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point63° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover60%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

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

RealFeel Shade™76°

WindESE 8 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts15 mph

Humidity63%

Indoor Humidity63% (Humid)

Dew Point64° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

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

RealFeel Shade™75°

WindESE 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts14 mph

Humidity72%

Indoor Humidity72% (Humid)

Dew Point65° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

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

RealFeel Shade™72°

WindSE 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts13 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

71°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindESE 5 mph

Air QualityFair

Wind Gusts12 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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

WindESE 5 mph

Air QualityFair

Wind Gusts10 mph

Humidity81%

Indoor Humidity81% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

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 67° with a RealFeel® of 69°, mostly cloudy with a 0% 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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