Monthly Weather Forecast for Thornhill, Ontario L3T 3R8, Canada - weather.com

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Monthly Weather-

As of 12:24 am EDT

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Mar 31	High	Low	Precip
Averages	47°F	34°	--
Records	62°(2022)	26°(2019)	--

Reported Conditions
Yesterday	53°	32°	0.00 in
Last 7 Days	53°	18°	0.31
Month to Date	68°	1°	3.38

Historical Monthly Avg
March	41°	29°	0
May	53°	39°	0
May	66°	50°	0

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