Cape Cod Weather: The Forecast for September 18th, 2016

Today: Partly sunny, with a high near 77. Southwest wind 14 to 16 mph.

Tonight: A chance of showers and thunderstorms, mainly after 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Patchy fog before 8am. High near 75. Southwest wind 8 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers after 11pm. Cloudy, with a low around 67. South wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday: A slight chance of showers before noon. Partly sunny, with a high near 75. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.