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Canadian Daily UV Index Forecast


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

 
FPCN48 CWAO 182000
Ultraviolet (UV) index forecast for Canadian cities issued by Environment Canada
at 4 pm EDT Saturday 18 September 2021 for Saturday afternoon and Sunday.

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

Whitehorse     Chance of showers            2         Low        None
Vancouver      Chance of showers            3         Moderate    1 pm to  2 pm
Victoria       Chance of showers            4         Moderate   11 am to  3 pm
Kamloops       Chance of showers            5         Moderate   11 am to  3 pm
Nanaimo        Chance of showers            4         Moderate   12 pm to  3 pm
Port Hardy     Showers                      2         Low        None
Prince Rupert  Showers                      1         Low        None
Kelowna        Chance of showers            4         Moderate   11 am to  2 pm
Prince George  Chance of showers            2         Low        None
Cranbrook      Chance of showers            2         Low        None
Castlegar      Chance of showers            2         Low        None

Sunday
Location       Weather forecast             UV index  Category   Time above 3

Iqaluit        A mix of sun and cloud       NA        NA         NA
Resolute       Mainly cloudy                1         Low        None
Inuvik         Chance of showers            1         Low        None
Rankin Inlet   Rain                         NA        NA         NA
Yellowknife    Clearing                     2         Low        None
Whitehorse     A mix of sun and cloud       3         Moderate    2 pm to  3 pm
Vancouver      Chance of showers            3         Moderate   12 pm to  2 pm
Victoria       Chance of showers            4         Moderate   11 am to  3 pm
Kamloops       Chance of showers            3         Moderate   12 pm to  2 pm
Nanaimo        Chance of showers            3         Moderate   12 pm to  2 pm
Port Hardy     Chance of showers            3         Moderate    1 pm to  2 pm
Prince Rupert  Chance of showers            1         Low        None
Kelowna        Chance of showers            2         Low        None
Prince George  Chance of showers            2         Low        None
Cranbrook      Chance of showers            5         Moderate   12 pm to  4 pm
Castlegar      Chance of showers            3         Moderate    1 pm to  3 pm
Edmonton       Sunny                        4         Moderate   12 pm to  3 pm
Calgary        Sunny                        4         Moderate   12 pm to  3 pm
Lethbridge     Sunny                        4         Moderate   12 pm to  3 pm
Red Deer       Sunny                        4         Moderate   12 pm to  3 pm
Medicine Hat   Sunny                        4         Moderate   12 pm to  3 pm
Banff          Chance of showers            4         Moderate   12 pm to  4 pm
Grande Prairie Clearing                     3         Moderate    1 pm to  3 pm
Saskatoon      Mainly sunny                 NA        NA         NA
Regina         Mainly cloudy                NA        NA         NA
Yorkton        A mix of sun and cloud       NA        NA         NA
Thompson       A mix of sun and cloud       3         Moderate   12 pm to  3 pm
Winnipeg       Mainly sunny                 NA        NA         NA
Thunder Bay    A mix of sun and cloud       6         High       12 pm to  4 pm
Sudbury        Sunny                        6         High       11 am to  4 pm
Windsor        Mainly sunny                 7         High       11 am to  4 pm
Toronto        Sunny                        6         High       11 am to  4 pm
Barrie         Sunny                        6         High       11 am to  4 pm
London         Sunny                        7         High       11 am to  4 pm
Ottawa         Sunny                        6         High       11 am to  3 pm
Kingston       Sunny                        6         High       11 am to  4 pm
Montreal       Sunny                        5         Moderate   11 am to  3 pm
Sherbrooke     Sunny                        5         Moderate   11 am to  3 pm
Quebec         Sunny                        5         Moderate   11 am to  3 pm
Ste-Adele      Sunny                        5         Moderate   11 am to  3 pm
Fredericton    Sunny                        5         Moderate   11 am to  4 pm
Saint John NB  Clearing                     5         Moderate   11 am to  4 pm
Sydney         Rain                         2         Low        None
Halifax        A few showers                5         Moderate   12 pm to  4 pm
Charlottetown  Clearing                     5         Moderate   11 am to  3 pm
St. John's NF  Rain at times heavy          NA        NA         NA
Goose Bay      A mix of sun and cloud       4         Moderate   11 am to  3 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.

More information on the UV index

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