Canadian Daily UV Index Forecast

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Forecast Regions

* NOTE: Corrected and/or amended bulletins are listed first *

 
FPCN48 CWAO 211200
Ultraviolet (UV) index forecast for Canadian cities issued by Environment Canada
at 8 am EDT Thursday 21 June 2018 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

Iqaluit        Mainly cloudy                6         High        9 am to  4 pm
Resolute       Flurries                     3         Moderate   12 pm to  4 pm
Inuvik         A mix of sun and cloud       5         Moderate   11 am to  5 pm
Rankin Inlet   Mainly sunny                 5         Moderate   10 am to  4 pm
Yellowknife    Increasing cloudiness        6         High       10 am to  4 pm
Whitehorse     Chance of showers            6         High       10 am to  5 pm
Vancouver      A mix of sun and cloud       8         Very high  10 am to  5 pm
Victoria       Mainly sunny                 8         Very high  10 am to  5 pm
Kamloops       Showers or thunderstorms     4         Moderate    9 am to  3 pm
Nanaimo        Chance of showers            8         Very high  10 am to  5 pm
Port Hardy     Periods of drizzle           6         High       10 am to  5 pm
Prince Rupert  Periods of drizzle           4         Moderate   11 am to  4 pm
Kelowna        Showers or thunderstorms     8         Very high   9 am to  4 pm
Prince George  Showers or thunderstorms     6         High       10 am to  4 pm
Cranbrook      Showers or thunderstorms     8         Very high  10 am to  4 pm
Castlegar      Showers or thunderstorms     8         Very high  10 am to  5 pm
Edmonton       A mix of sun and cloud       8         Very high  10 am to  5 pm
Calgary        Chance of showers            9         Very high  10 am to  5 pm
Lethbridge     Chance of showers            9         Very high  10 am to  5 pm
Red Deer       A mix of sun and cloud       9         Very high  10 am to  5 pm
Medicine Hat   Chance of showers            9         Very high  10 am to  5 pm
Banff          Chance of showers            7         High       10 am to  5 pm
Grande Prairie Chance of showers            5         Moderate   11 am to  5 pm
Saskatoon      Increasing cloudiness        7         High       10 am to  5 pm
Regina         Mainly cloudy                7         High       10 am to  4 pm
Yorkton        A mix of sun and cloud       9         Very high   9 am to  5 pm
Thompson       Mainly sunny                 8         Very high  10 am to  5 pm
Winnipeg       Mainly sunny                 9         Very high  10 am to  5 pm
Thunder Bay    Sunny                        10        Very high  10 am to  5 pm
Sudbury        Sunny                        9         Very high  10 am to  5 pm
Windsor        Mainly sunny                 10        Very high  10 am to  5 pm
Toronto        Sunny                        9         Very high  10 am to  5 pm
Barrie         Clearing                     9         Very high  10 am to  5 pm
London         Mainly sunny                 10        Very high  10 am to  5 pm
Ottawa         Sunny                        8         Very high  10 am to  5 pm
Kingston       Clearing                     9         Very high   9 am to  5 pm
Montreal       Sunny                        8         Very high   9 am to  4 pm
Sherbrooke     Sunny                        8         Very high   9 am to  4 pm
Quebec         Mainly sunny                 8         Very high   9 am to  4 pm
Ste-Adele      Sunny                        8         Very high   9 am to  4 pm
Fredericton    A few showers                8         Very high  10 am to  5 pm
Saint John NB  Showers                      8         Very high  10 am to  5 pm
Sydney         Showers                      3         Moderate   11 am to  4 pm
Halifax        Chance of showers            6         High       10 am to  4 pm
Charlottetown  Showers                      8         Very high  10 am to  5 pm
St. John's NF  Mainly cloudy                6         High        9 am to  4 pm
Goose Bay      Chance of showers            5         Moderate   10 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, visit Environment Canada's web site at ec.gc.ca/UVindex
and click on 'sun protection' on the left hand menu.

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