Forecast for overnight:  Mostly cloudy, with a low around 64. Calm wind.  Wednesday:  A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm.  Mostly cloudy, with a high near 79. North northeast wind 5 to 10 mph.  Wednesday Night:  Mostly cloudy, then gradually becoming mostly clear, with a low around 61. West wind 5 to 10 mph.