Tonight: Becoming partly cloudy late. Showers with a chance of thunderstorms early, then showers through the early overnight. Lows in the upper 40s. Northwest winds 10 to 15 mph, diminishing to 5 to 10 mph. Chance of rain 90 percent.

Day: Sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph, becoming north 10 to 15 mph.

Night: Becoming mainly clear with patchy frost developing overnight. Lows ranging from the mid 30s inland to around 40 along the lake Ontario shore. North winds 10 to 15 mph, becoming northeast 5 to 10 mph.

Day: Sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph.

Night: Clear with widespread frost developing. Cold with lows ranging from the lower 30s inland to the upper 30s along the lake Ontario shore. Light winds.

Day: Sunny. Highs in the mid 60s.

Night: Mainly clear. Lows in the lower 40s. Highs in the upper 60s.

Day: Mainly clear. Lows in the lower 40s. Highs in the upper 60s.

Day: Mainly clear. Lows in the lower 40s. Highs in the upper 60s.

Night: Partly cloudy. Lows in the upper 40s.

Day: Partly sunny. Highs in the upper 60s.