TONIGHT…Mostly cloudy. Lows in the upper 30s. Southwest winds around 5 mph, becoming northwest after midnight. SUNDAY…Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 40s. North winds around 5 mph. SUNDAY NIGHT…Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s. Northeast winds 5 to 10 mph.