Tonight: Partly cloudy with some patchy fog developing. Lows ranging from the upper 40s across the tug hill to the mid 50s along the lake Ontario shore. Light winds.

Day: Some patchy fog in the morning, otherwise sunny. Highs ranging from the upper 60s on the tug hill to the lower 70s across the lower elevations. Light winds, becoming north 10 to 15 mph.

Night: Clear, cooler with lows ranging from around 40 across the tug hill to the mid 40s along the lake Ontario shore. North winds 5 to 10 mph, becoming light.

Day: Sunny, cooler with highs ranging from the upper 50s on the tug hill to the lower 60s across the lower elevations. Northeast winds 5 to 10 mph, becoming north.

Night: Mainly clear with patchy frost developing overnight. Lows ranging from the upper 30s across the tug hill to the lower 40s along the lake Ontario shore. Northeast winds 5 to 10 mph, becoming light.

Day: Mostly sunny. Highs in the mid 60s.

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

Day: Sunny. Highs in the lower 70s.

Night: Clear. Lows in the upper 40s.

Day: Mainly clear. Highs in the mid 70s. Lows in the lower 50s.

Day: Mainly clear. Highs in the mid 70s. Lows in the lower 50s.

Day: Mainly clear. Highs in the mid 70s. Lows in the lower 50s.

Night: Partly cloudy. Lows in the mid 50s.