Current Weather
9:40 AM
75°F
Mostly sunny
RealFeel® 79°
Pleasant
RealFeel Shade™ 73°
Pleasant
RealFeel®
79°
RealFeel Shade™
73°
Max UV Index
4.5 (Moderate)
Wind
SW 7 mph
Wind Gusts
17 mph
Humidity
81%
Indoor Humidity
81% (Very Humid)
Dew Point
69° F
Pressure
↔ 29.98 in
Cloud Cover
29%
Visibility
12 mi
Cloud Ceiling
40000 ft
Day
5/19
86°Hi
RealFeel®
86°
Very Warm
RealFeel Shade™
83°
Very Warm
Clouds and sun, becoming windier and humid with a couple of showers and a thunderstorm; thunderstorms can bring localized damaging wind gusts
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™5 (Medium)
WindSW 16 mph
Wind Gusts37 mph
Probability of Precipitation93%
Probability of Thunderstorms56%
Precipitation0.34 in
Rain0.34 in
Hours of Precipitation4
Hours of Rain4
Cloud Cover60%
Night
5/19
50°Lo
RealFeel®
46°
Chilly
Breezy this evening; mostly cloudy and cooler with a thunderstorm in spots
WindW 12 mph
Wind Gusts30 mph
Probability of Precipitation55%
Probability of Thunderstorms33%
Precipitation0.18 in
Rain0.18 in
Hours of Precipitation2
Hours of Rain2
Cloud Cover81%
Sun & Moon
14 hrs 49 mins
Rise
5:52 AM
Set
8:41 PM
Waxing Crescent
Rise
8:03 AM
Set
12:31 AM
Temperature History
5/19High
Low
Forecast
86°
50°
Average
66°
45°
Last Year
63°
43°
Record
88°
1962
29°
2002
Current Weather Conditions in Ancaster
Ancaster, Ontario is currently Mostly sunny with a temperature of 75°. The current RealFeel® Temperature is 79° (Pleasant) based on observed conditions including 81% humidity, 29% cloud cover, a UV index of 4, and winds of 7 mph. In shade, the RealFeel Shade™ is 73°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Ancaster, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
