It was 1 C this morning – enjoy today's sun because it's getting cold again

Ottawa awoke to 1 C and a frost advisory Thursday but the mercury is forecast to climb to a balmy 15 C under mainly sunny skies.
Environment Canada predicts an overnight low of 3 C with a risk of frost.
Expect increasing cloudiness Friday with a 30 per cent chance of afternoon showers and a high of 17 C. There’s a forecast 40 per cent chance of showers overnight and a low of 14 C.
The forecast is for clouds and highs of 19 C through the weekend with 40 per cent chance of showers Satur