Alliston, Ontario

Hourly

12 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 34% Cloudy

• RealFeel Shade™: 82°
• Heat Index: 84°
• Wind: W 10 mph
• Air Quality: Excellent
• Max UV Index: 2.4 (Low)
• Wind Gusts: 22 mph
• Humidity: 67%
• Indoor Humidity: 67% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 2400 ft

1 PM

82° RealFeel® 86° 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 29% Cloudy

• RealFeel Shade™: 83°
• Heat Index: 85°
• Wind: W 9 mph
• Air Quality: Fair
• Max UV Index: 2.7 (Moderate)
• Wind Gusts: 23 mph
• Humidity: 64%
• Indoor Humidity: 64% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 2400 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 20% Cloudy

• RealFeel Shade™: 85°
• Heat Index: 87°
• Wind: W 9 mph
• Air Quality: Fair
• Max UV Index: 4.8 (Moderate)
• Wind Gusts: 22 mph
• Humidity: 62%
• Indoor Humidity: 62% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

82° RealFeel® 88° 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 20% Cloudy

• RealFeel Shade™: 84°
• Heat Index: 86°
• Wind: WNW 8 mph
• Air Quality: Fair
• Max UV Index: 3.7 (Moderate)
• Wind Gusts: 21 mph
• Humidity: 64%
• Indoor Humidity: 64% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 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 20% Cloudy

• RealFeel Shade™: 83°
• Heat Index: 84°
• Wind: NW 8 mph
• Air Quality: Fair
• Max UV Index: 1.3 (Low)
• Wind Gusts: 20 mph
• Humidity: 67%
• Indoor Humidity: 67% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 3200 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 20% Cloudy

• RealFeel Shade™: 81°
• Heat Index: 83°
• Wind: NNW 8 mph
• Air Quality: Fair
• Max UV Index: 1.8 (Low)
• Wind Gusts: 20 mph
• Humidity: 69%
• Indoor Humidity: 69% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 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 20% Cloudy

• RealFeel Shade™: 81°
• Heat Index: 80°
• Wind: NNW 7 mph
• Air Quality: Fair
• Max UV Index: 1.2 (Low)
• Wind Gusts: 17 mph
• Humidity: 71%
• Indoor Humidity: 71% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 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 13% Cloudy

• RealFeel Shade™: 82°
• Wind: NNW 6 mph
• Air Quality: Fair
• Max UV Index: 0.7 (Low)
• Wind Gusts: 15 mph
• Humidity: 75%
• Indoor Humidity: 75% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

75° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Sunny

• RealFeel Shade™: 79°
• Wind: NNW 5 mph
• Air Quality: Fair
• Max UV Index: 0.5 (Low)
• Wind Gusts: 13 mph
• Humidity: 81%
• Indoor Humidity: 81% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 1%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

73° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly sunny

• RealFeel Shade™: 75°
• Wind: NW 5 mph
• Air Quality: Fair
• Max UV Index: 0.0 (Low)
• Wind Gusts: 12 mph
• Humidity: 87%
• Indoor Humidity: 87% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 21%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

71° RealFeel® 73° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly cloudy

• Wind: S 5 mph
• Air Quality: Fair
• Wind Gusts: 12 mph
• Humidity: 90%
• Indoor Humidity: 90% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 41%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

70° RealFeel® 71° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Intermittent clouds

• Wind: S 5 mph
• Air Quality: Excellent
• Wind Gusts: 12 mph
• Humidity: 92%
• Indoor Humidity: 92% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 61%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft