FPCN48 CWAO 171400
Ultraviolet (UV) index forecast for Canadian cities issued by Environment Canada
at 10:00 a.m. EDT Saturday 17 May 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 Flurries 2 Low None
Inuvik Rain showers or flurries 3 Moderate 12 pm to 5 pm
Rankin Inlet Chance of light snow 4 Moderate 10 am to 3 pm
Yellowknife Mainly cloudy 4 Moderate 10 am to 4 pm
Whitehorse Chance of showers 4 Moderate 10 am to 4 pm
Vancouver Chance of showers 4 Moderate 10 am to 12 pm
Victoria Chance of showers 4 Moderate 10 am to 4 pm
Kamloops Chance of showers 6 High 9 am to 2 pm
Nanaimo Showers 2 Low None
Port Hardy Periods of rain 2 Low None
Prince Rupert Periods of rain 2 Low None
Kelowna A few showers 5 Moderate 9 am to 12 pm
Prince George A few showers 4 Moderate 10 am to 12 pm
Cranbrook Chance of showers 6 High 10 am to 5 pm
Castlegar A few showers 5 Moderate 10 am to 12 pm
Edmonton Chance of showers 4 Moderate 10 am to 4 pm
Calgary Chance of showers 6 High 10 am to 5 pm
Lethbridge Chance of showers 6 High 9 am to 5 pm
Red Deer Chance of showers 5 Moderate 10 am to 4 pm
Medicine Hat Chance of showers 6 High 9 am to 4 pm
Banff Chance of showers 5 Moderate 10 am to 5 pm
Grande Prairie Chance of showers 5 Moderate 10 am to 4 pm
Saskatoon A mix of sun and cloud 6 High 9 am to 4 pm
Regina A mix of sun and cloud 6 High 9 am to 4 pm
Yorkton A mix of sun and cloud 6 High 9 am to 4 pm
Thompson Flurries or rain showers 4 Moderate 10 am to 4 pm
Winnipeg Flurries 6 High 9 am to 5 pm
Thunder Bay Chance of showers 5 Moderate 10 am to 5 pm
Sudbury Showers 3 Moderate 12 pm to 2 pm
Windsor Chance of showers 5 Moderate 10 am to 4 pm
Toronto Chance of showers 6 High 9 am to 4 pm
Barrie Showers 4 Moderate 12 pm to 4 pm
London Chance of showers 5 Moderate 10 am to 4 pm
Ottawa Showers 3 Moderate 11 am to 2 pm
Kingston Chance of showers 6 High 9 am to 2 pm
Montreal Showers or thunderstorms 5 Moderate 8 am to 2 pm
Sherbrooke Showers or thunderstorms 3 Moderate 10 am to 2 pm
Quebec Chance of showers 7 High 9 am to 3 pm
Ste-Adele Showers or thunderstorms 6 High 9 am to 2 pm
Fredericton Chance of showers 5 Moderate 10 am to 4 pm
Saint John NB Showers or drizzle 6 High 9 am to 5 pm
Sydney A mix of sun and cloud 8 Very high 9 am to 4 pm
Halifax Mainly cloudy 7 High 9 am to 4 pm
Charlottetown Chance of showers 6 High 9 am to 5 pm
St. John's NF Sunny 7 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.
|