OTTAWA -- After a hot and humid week in Ottawa, you will need an umbrella and a sweater this weekend.

Environment Canada’s forecast calls for showers to roll into the region Saturday afternoon, with temperatures dropping below seasonal this evening and on Sunday.

Ottawa received eight millimetres of rain on Friday night. 

Here is a look at your forecast:

Today: Mainly cloudy. A few showers beginning this afternoon with the risk of a thunderstorm. High 21C.

Tonight: Showers ending this evening then partly cloudy. Low plus 4C.

Sunday: Becoming cloudy in the morning. Chance of showers or a thunderstorm in the afternoon. High 14C.

Monday: Sunny. High 20C.

Tuesday: Periods of rain. High 17C.

The normal temperatures for this time of year are a high of 22C and a low of 11C.

The temperature will drop to plus 4C on Saturday night/Sunday morning. The record for coldest May 31 in Ottawa history is 0.6C, set back in 1945.