923
FPCN48 CWAO 182300
ULTRAVIOLET (UV) INDEX FORECAST FOR CANADIAN CITIES ISSUED BY ENVIRONMENT CANADA
AT 7:00 P.M. EDT FRIDAY 18 JULY 2025 FOR SATURDAY.
UV INDEX IS RELATED TO SKY CONDITIONS AND PRECIPITATIONS.
UV INDEX WOULD BE HIGHER THAN STATED DURING SUNNY BREAKS OR IF WEATHER
CONDITIONS IMPROVE.
ALL TIMES ARE IN LOCAL TIME.
SATURDAY
LOCATION WEATHER FORECAST UV INDEX CATEGORY TIME ABOVE 3
RESOLUTE A MIX OF SUN AND CLOUD 3 MODERATE 11 AM TO 4 PM
INUVIK A MIX OF SUN AND CLOUD 4 MODERATE 11 AM TO 6 PM
RANKIN INLET MAINLY SUNNY 5 MODERATE 9 AM TO 5 PM
YELLOWKNIFE CHANCE OF SHOWERS 5 MODERATE 10 AM TO 5 PM
WHITEHORSE CHANCE OF SHOWERS 5 MODERATE 10 AM TO 5 PM
VANCOUVER CHANCE OF SHOWERS 6 HIGH 9 AM TO 5 PM
VICTORIA CLEARING 7 HIGH 9 AM TO 5 PM
KAMLOOPS CHANCE OF SHOWERS 7 HIGH 9 AM TO 2 PM
NANAIMO MAINLY SUNNY 7 HIGH 9 AM TO 5 PM
PORT HARDY CHANCE OF DRIZZLE 7 HIGH 11 AM TO 5 PM
PRINCE RUPERT PERIODS OF DRIZZLE 6 HIGH 10 AM TO 5 PM
KELOWNA CHANCE OF SHOWERS 7 HIGH 9 AM TO 4 PM
PRINCE GEORGE A FEW SHOWERS 3 MODERATE 12 PM TO 2 PM
CRANBROOK SHOWERS 6 HIGH 9 AM TO 3 PM
CASTLEGAR CHANCE OF SHOWERS 7 HIGH 9 AM TO 5 PM
EDMONTON SHOWERS 3 MODERATE 1 PM TO 2 PM
CALGARY CHANCE OF SHOWERS 7 HIGH 9 AM TO 5 PM
LETHBRIDGE CHANCE OF SHOWERS 8 VERY HIGH 9 AM TO 5 PM
RED DEER CHANCE OF SHOWERS 7 HIGH 9 AM TO 5 PM
MEDICINE HAT CHANCE OF SHOWERS 7 HIGH 9 AM TO 5 PM
BANFF CHANCE OF SHOWERS 6 HIGH 9 AM TO 3 PM
GRANDE PRAIRIE CHANCE OF SHOWERS 6 HIGH 10 AM TO 5 PM
SASKATOON CHANCE OF SHOWERS 7 HIGH 9 AM TO 4 PM
REGINA CHANCE OF SHOWERS 8 VERY HIGH 9 AM TO 5 PM
YORKTON MAINLY SUNNY 7 HIGH 8 AM TO 5 PM
THOMPSON MAINLY SUNNY 6 HIGH 9 AM TO 5 PM
WINNIPEG SMOKE 7 HIGH 9 AM TO 5 PM
THUNDER BAY CHANCE OF SHOWERS 7 HIGH 10 AM TO 8 PM
SUDBURY CHANCE OF SHOWERS 5 MODERATE 10 AM TO 3 PM
WINDSOR CHANCE OF SHOWERS 10 VERY HIGH 9 AM TO 5 PM
TORONTO A MIX OF SUN AND CLOUD 9 VERY HIGH 9 AM TO 5 PM
BARRIE A FEW SHOWERS 6 HIGH 9 AM TO 5 PM
LONDON A FEW SHOWERS 9 VERY HIGH 9 AM TO 5 PM
OTTAWA A MIX OF SUN AND CLOUD 9 VERY HIGH 9 AM TO 5 PM
KINGSTON INCREASING CLOUDINESS 9 VERY HIGH 9 AM TO 5 PM
MONTREAL MAINLY SUNNY 8 VERY HIGH 8 AM TO 5 PM
SHERBROOKE MAINLY SUNNY 8 VERY HIGH 8 AM TO 5 PM
QUEBEC A MIX OF SUN AND CLOUD 7 HIGH 8 AM TO 4 PM
STE-ADELE MAINLY SUNNY 8 VERY HIGH 8 AM TO 5 PM
FREDERICTON MAINLY SUNNY 8 VERY HIGH 9 AM TO 5 PM
SAINT JOHN NB MAINLY SUNNY 8 VERY HIGH 9 AM TO 5 PM
SYDNEY SUNNY 8 VERY HIGH 9 AM TO 5 PM
HALIFAX MAINLY SUNNY 9 VERY HIGH 9 AM TO 5 PM
CHARLOTTETOWN MAINLY SUNNY 8 VERY HIGH 9 AM TO 5 PM
ST. JOHN'S NF SUNNY 8 VERY HIGH 8 AM TO 4 PM
GOOSE BAY CHANCE OF SHOWERS 6 HIGH 9 AM TO 4 PM
UV CATEGORIES UV INDEX RANGE (ROUNDED VALUES)
EXTREME 11 OR HIGHER
VERY HIGH 8 TO 10
HIGH 6 TO 7
MODERATE 3 TO 5
LOW 2 OR LESS
FOR SUN PROTECTION TIPS YOU CAN VISIT ENVIRONMENT CANADA'S WEB SITE AT
WWW.CANADA.CA/UV-INDEX.
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