928
FPCN11 CWTO 212236 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 6:35 P.M. EDT TUESDAY 21 APRIL
2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT
WEDNESDAY.
CITY OF TORONTO.
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND SOUTHEAST
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW PLUS 5.
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
WIND BECOMING NORTH 20 KM/H LATE IN THE AFTERNOON. HIGH 17. UV
INDEX 6 OR HIGH.
WEDNESDAY NIGHT..CLEAR. WIND NORTH 20 KM/H BECOMING LIGHT AFTER
MIDNIGHT. LOW PLUS 5.
CALEDON.
TONIGHT..CLEARING. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTH
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. CLEARING LATE IN THE AFTERNOON.
FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING NORTH 20 KM/H
IN THE AFTERNOON. HIGH 17. UV INDEX 6 OR HIGH.
WEDNESDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE
EVENING. LOW PLUS 1.
VAUGHAN - RICHMOND HILL - MARKHAM.
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. LOW PLUS 4.
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
WIND BECOMING NORTHWEST 20 KM/H LATE IN THE AFTERNOON. HIGH 18. UV
INDEX 6 OR HIGH.
WEDNESDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE
EVENING. LOW PLUS 4.
PICKERING - OSHAWA - SOUTHERN DURHAM REGION.
TONIGHT..MAINLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. CLEARING LATE IN THE AFTERNOON.
WIND BECOMING NORTHWEST 20 KM/H LATE IN THE AFTERNOON. HIGH 18. UV
INDEX 6 OR HIGH.
WEDNESDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE
EVENING. LOW PLUS 4.
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.
TONIGHT..CLEARING. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTH
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 4.
WEDNESDAY..CLEARING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 17.
UV INDEX 7 OR HIGH.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 1.
WINGHAM - BLYTH - NORTHERN HURON COUNTY.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND
SOUTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 4.
WEDNESDAY..CLEARING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 17.
UV INDEX 7 OR HIGH.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 1.
KITCHENER - CAMBRIDGE - REGION OF WATERLOO.
TONIGHT..CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND SOUTH 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW
PLUS 4.
WEDNESDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 18. UV INDEX 7 OR HIGH.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 1.
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.
TONIGHT..MAINLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND SOUTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 18. UV INDEX 7 OR HIGH.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 1.
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND SOUTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. CLEARING NEAR NOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 18. UV INDEX 7 OR HIGH.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 1.
REMAINDER UNCHANGED.
END
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