FPCN48 CWAO 270600 ULTRAVIOLET (UV) INDEX FORECAST FOR CANADIAN CITIES ISSUED BY ENVIRONMENT CANADA AT 2:00 A.M. EDT MONDAY 27 OCTOBER 2025 FOR MONDAY. 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. MONDAY LOCATION WEATHER FORECAST UV INDEX CATEGORY TIME ABOVE 3 RESOLUTE FLURRIES 0 LOW NONE INUVIK FLURRIES 0 LOW NONE RANKIN INLET PERIODS OF RAIN OR DRIZZLE 0 LOW NONE YELLOWKNIFE MAINLY CLOUDY 0 LOW NONE WHITEHORSE MAINLY SUNNY 0 LOW NONE VANCOUVER CHANCE OF SHOWERS 2 LOW NONE VICTORIA CHANCE OF SHOWERS 2 LOW NONE KAMLOOPS MAINLY SUNNY 1 LOW NONE NANAIMO CHANCE OF SHOWERS 2 LOW NONE PORT HARDY A FEW SHOWERS 1 LOW NONE PRINCE RUPERT CHANCE OF SHOWERS 1 LOW NONE KELOWNA CHANCE OF SHOWERS 1 LOW NONE PRINCE GEORGE MAINLY SUNNY 1 LOW NONE CRANBROOK RAIN SHOWERS OR FLURRIES 1 LOW NONE CASTLEGAR FLURRIES 2 LOW NONE EDMONTON MAINLY CLOUDY 1 LOW NONE CALGARY A MIX OF SUN AND CLOUD 1 LOW NONE LETHBRIDGE A MIX OF SUN AND CLOUD 2 LOW NONE RED DEER INCREASING CLOUDINESS 1 LOW NONE MEDICINE HAT SUNNY 2 LOW NONE BANFF A MIX OF SUN AND CLOUD 1 LOW NONE GRANDE PRAIRIE PERIODS OF SNOW 0 LOW NONE SASKATOON SUNNY 1 LOW NONE REGINA A MIX OF SUN AND CLOUD 2 LOW NONE YORKTON MAINLY CLOUDY 1 LOW NONE THOMPSON A MIX OF SUN AND CLOUD 1 LOW NONE WINNIPEG RAIN 0 LOW NONE THUNDER BAY SUNNY 2 LOW NONE SUDBURY MAINLY SUNNY 2 LOW NONE WINDSOR CHANCE OF SHOWERS 4 MODERATE 11 AM TO 3 PM TORONTO MAINLY SUNNY 3 MODERATE 11 AM TO 2 PM BARRIE SUNNY 3 MODERATE 12 PM TO 2 PM LONDON MAINLY SUNNY 3 MODERATE 11 AM TO 2 PM OTTAWA A MIX OF SUN AND CLOUD 2 LOW NONE KINGSTON MAINLY SUNNY 3 MODERATE 12 PM TO 1 PM MONTREAL A MIX OF SUN AND CLOUD 2 LOW NONE SHERBROOKE CHANCE OF SHOWERS 2 LOW NONE QUEBEC MAINLY CLOUDY 2 LOW NONE STE-ADELE A MIX OF SUN AND CLOUD 2 LOW NONE FREDERICTON CHANCE OF SHOWERS 2 LOW NONE SAINT JOHN NB CHANCE OF SHOWERS 1 LOW NONE SYDNEY CHANCE OF SHOWERS 2 LOW NONE HALIFAX SHOWERS 2 LOW NONE CHARLOTTETOWN PERIODS OF RAIN 1 LOW NONE ST. JOHN'S NF A MIX OF SUN AND CLOUD 2 LOW NONE GOOSE BAY A MIX OF SUN AND CLOUD 1 LOW NONE 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.