378  
FPCN48 CWAO 031300  
ULTRAVIOLET (UV) INDEX FORECAST FOR CANADIAN CITIES ISSUED BY ENVIRONMENT CANADA  
AT 9:00 A.M. EDT THURSDAY 3 JULY 2025 FOR THURSDAY.  
 
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.  
 
THURSDAY  
LOCATION WEATHER FORECAST UV INDEX CATEGORY TIME ABOVE 3  
 
RESOLUTE CLOUDY 2 LOW NONE  
INUVIK CLEARING 5 MODERATE 10 AM TO 6 PM  
RANKIN INLET CHANCE OF SHOWERS 5 MODERATE 10 AM TO 5 PM  
YELLOWKNIFE SUNNY 5 MODERATE 9 AM TO 5 PM  
WHITEHORSE CHANCE OF SHOWERS 6 HIGH 10 AM TO 5 PM  
VANCOUVER A MIX OF SUN AND CLOUD 8 VERY HIGH 9 AM TO 5 PM  
VICTORIA A MIX OF SUN AND CLOUD 8 VERY HIGH 9 AM TO 5 PM  
KAMLOOPS CHANCE OF SHOWERS 7 HIGH 9 AM TO 5 PM  
NANAIMO A MIX OF SUN AND CLOUD 8 VERY HIGH 9 AM TO 5 PM  
PORT HARDY A MIX OF SUN AND CLOUD 7 HIGH 9 AM TO 5 PM  
PRINCE RUPERT CHANCE OF SHOWERS 6 HIGH 10 AM TO 5 PM  
KELOWNA MAINLY SUNNY 8 VERY HIGH 8 AM TO 5 PM  
PRINCE GEORGE CHANCE OF SHOWERS 6 HIGH 9 AM TO 5 PM  
CRANBROOK MAINLY SUNNY 8 VERY HIGH 9 AM TO 5 PM  
CASTLEGAR MAINLY SUNNY 8 VERY HIGH 9 AM TO 6 PM  
EDMONTON CHANCE OF SHOWERS 7 HIGH 9 AM TO 5 PM  
CALGARY CHANCE OF SHOWERS 7 HIGH 9 AM TO 3 PM  
LETHBRIDGE MAINLY SUNNY 8 VERY HIGH 9 AM TO 5 PM  
RED DEER CHANCE OF SHOWERS 8 VERY HIGH 9 AM TO 5 PM  
MEDICINE HAT CLEARING 8 VERY HIGH 9 AM TO 5 PM  
BANFF CHANCE OF SHOWERS 8 VERY HIGH 9 AM TO 5 PM  
GRANDE PRAIRIE CHANCE OF SHOWERS 6 HIGH 10 AM TO 5 PM  
SASKATOON CLEARING 8 VERY HIGH 8 AM TO 5 PM  
REGINA CHANCE OF SHOWERS 9 VERY HIGH 8 AM TO 5 PM  
YORKTON CHANCE OF SHOWERS 9 VERY HIGH 9 AM TO 5 PM  
THOMPSON CHANCE OF SHOWERS 7 HIGH 7 AM TO 4 PM  
WINNIPEG MAINLY SUNNY 9 VERY HIGH 9 AM TO 7 PM  
THUNDER BAY SUNNY 9 VERY HIGH 9 AM TO 8 PM  
SUDBURY A MIX OF SUN AND CLOUD 7 HIGH 9 AM TO 5 PM  
WINDSOR CHANCE OF SHOWERS 10 VERY HIGH 9 AM TO 5 PM  
TORONTO CHANCE OF SHOWERS 8 VERY HIGH 9 AM TO 5 PM  
BARRIE CHANCE OF SHOWERS 8 VERY HIGH 9 AM TO 5 PM  
LONDON CHANCE OF SHOWERS 9 VERY HIGH 9 AM TO 5 PM  
OTTAWA CHANCE OF SHOWERS 7 HIGH 8 AM TO 5 PM  
KINGSTON CHANCE OF SHOWERS 8 VERY HIGH 9 AM TO 5 PM  
MONTREAL CHANCE OF SHOWERS 6 HIGH 8 AM TO 4 PM  
SHERBROOKE A FEW SHOWERS 8 VERY HIGH 8 AM TO 2 PM  
QUEBEC CHANCE OF SHOWERS 6 HIGH 9 AM TO 4 PM  
STE-ADELE CHANCE OF SHOWERS 7 HIGH 9 AM TO 4 PM  
FREDERICTON SHOWERS 8 VERY HIGH 9 AM TO 3 PM  
SAINT JOHN NB CHANCE OF SHOWERS 9 VERY HIGH 9 AM TO 5 PM  
SYDNEY CHANCE OF SHOWERS 8 VERY HIGH 8 AM TO 5 PM  
HALIFAX SHOWERS OR DRIZZLE 9 VERY HIGH 9 AM TO 5 PM  
CHARLOTTETOWN CHANCE OF SHOWERS 9 VERY HIGH 9 AM TO 5 PM  
ST. JOHN'S NF CHANCE OF SHOWERS 9 VERY HIGH 8 AM TO 4 PM  
GOOSE BAY A MIX OF SUN AND CLOUD 7 HIGH 8 AM TO 5 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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