No, normal for this time of the year. I just poted this to the "ees berry cold... thread" :

Tonight .. Cloudy periods. Wind becoming northeast 20 km/h overnight. Low minus 24. Extreme wind chill minus 34.
Thursday .. A mix of sun and cloud. Wind northeast 30 km/h. High minus 16. Extreme wind chill minus 38.

The Ki-ki birds froze near solid in my pines last night. Ki-ki birds... you know their plaintive call... Ki-ki-ki-rist-it's-cold.