Overnight...Mainly clear with areas of frost. Lows ranging from the lower 30s inland to the upper 30s along the lake Ontario shore. Light southwest winds.

Saturday...Sun filled skies and pleasant. Highs ranging from the mid 50s along the lake Ontario shore to near 60 inland. Light winds.

Saturday Night...Mainly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. East winds 5 to 10 mph, becoming light.

Sunday...Mostly sunny. Highs in the lower 60s. Light winds.

Sunday Night...Mainly clear. Lows ranging from the lower 40s inland to the mid 40s along the lake Ontario shore. Light winds.

Monday...Sunny. Highs in the upper 60s.

Monday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.

Tuesday...Rain. Highs in the lower 60s. Chance of rain 80 percent.

Tuesday Night...Showers likely. Lows in the lower 40s. Chance of rain 60 percent.

Wednesday...Partly sunny with a 30 percent chance of showers. Highs in the lower 50s.

Wednesday Night...Partly cloudy. Lows in the lower 40s.

Thursday...Partly sunny. Highs in the upper 50s.

Thursday Night...Mostly cloudy. Lows in the mid 40s.

Friday...Mostly cloudy with a 30 percent chance of showers. Highs around 60.