There's a chance of showers this morning and again this evening, but in between will be some heat.
Environment Canada says that today will seee largely a mix of sun and cloud with a 30 per cent chance of showers this morning, including the risk of a thunderstorm, and southerly winds at 20 km/h.
This afternoon, high temperatures of 29ºC will be seen, with a UV Index of 7, which is considered high.
Later in the day, clouds are expected, with a 60 per cent chance of showers, and the risk of a thunderstorm this evening and after midnight. Winds will shift to the southeast, and then drop off.
It'll stay warm overnight, with a low of 16ºC, but won't be as hot tomorrow.
Tomorrow will start off cloudy, with a 60 per cent chance of showers through most of the day, and the risk of an afternoon thunderstorm, as temperatures peak around 23ºC. Northerly winds are expected late in the day, as the rain ends and some sun pokes through.
Friday will be cloudy again, with a 30 per cent chance of showers and a high of 20ºC.
The weekend looks cool and wet: both Saturday and Sunday will be cloudy with a 70 per cent chance of showers. The Saturday high will be 17ºC, and the Sunday high just 15ºC.
Monday will see a mix of sun and cloud, with a continuing 30 per cent chance of showers. The Monday high will be 16ºC.
At this point, Tuesday also looks to see a mix of sun and cloud, with a high of 17ºC.
The normal high for this time of year is 24ºC; the normal low is 11ºC.
The hottest it's ever been on an Aug. 20 was in 1942, when temperatures hit 36.7ºC. The coldest ever was in 2004, when it was -0.3ºC. Yes, minus.