Tonight: Showers with a chance of thunderstorms early, then showers from late evening on. Lows in the upper 40s. Southwest winds 5 to 10 mph, becoming light. Chance of rain near 100 percent.

Day: Mostly sunny and cooler with highs ranging from the mid 50s on the tug hill to the lower 60s across the lower elevations. North winds 5 to 10 mph, increasing to 10 to 15 mph.

Night: Mainly clear with widespread frost developing overnight. Much colder with lows ranging from the lower 30s across the tug hill to the mid 30s along the lake Ontario shore. North winds 5 to 10 mph.

Day: Sunny. Highs ranging from the upper 40s on the tug hill to the lower 50s across the lower elevations. Light winds.

Night: Mainly clear with widespread frost developing. Lows ranging from the lower 30s across the tug hill to the mid 30s along the lake Ontario shore. Light winds.

Day: Sunny. Highs in the upper 50s.

Night: Mainly clear. Lows around 40. Highs in the mid 60s.

Day: Mainly clear. Lows around 40. Highs in the mid 60s.

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

Day: Sunny. Highs in the mid 60s.

Night: Partly cloudy. Lows in the lower 40s. Highs in the mid 60s.

Day: Partly cloudy. Lows in the lower 40s. Highs in the mid 60s.

Day: Partly cloudy. Lows in the lower 40s. Highs in the mid 60s.