The forecast feed doesn't always have both high and low, this is when it displays a dot. For example:
<title>Thursday night: Cloudy. Low 6.</title>
<link type="text/html" href="https://www.weather.gc.ca/city/pages/on-54_metric_e.html"/>
<updated>2020-11-17T10:04:00Z</updated>
<published>2020-11-17T10:04:00Z</published>
<category term="Weather Forecasts"/>
<summary type="html">Cloudy. Low 6. Forecast issued 05:04 AM EST Tuesday 17 November 2020</summary>
<id>tag:weather.gc.ca,2013-04-16n-54_fc6:20201117100400</id>
</entry>
<entry>
If the low or high is zero/0, it should display 0.
<title>Thursday night: Cloudy. Low 6.</title>
<link type="text/html" href="https://www.weather.gc.ca/city/pages/on-54_metric_e.html"/>
<updated>2020-11-17T10:04:00Z</updated>
<published>2020-11-17T10:04:00Z</published>
<category term="Weather Forecasts"/>
<summary type="html">Cloudy. Low 6. Forecast issued 05:04 AM EST Tuesday 17 November 2020</summary>
<id>tag:weather.gc.ca,2013-04-16n-54_fc6:20201117100400</id>
</entry>
<entry>
If the low or high is zero/0, it should display 0.
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