The average high temperatures for the Harrisburg area this time of year is 69, the average low is 49, according to the National Weather Service.
Wednesday, sunny, with a high near 81.
Monday night: Mostly clear, with a low around 42.
Thursday's forecast calls for mostly sunny skies with a high of 68 and a 20 percent chance of showers after 1 p.m. Cloudy - high near 82. South wind will be 10 to 15 miles per hour with gusts as high as 25 miles per hour.
Thursday: A 30 percent chance of showers and thunderstorms mainly before 1 p.m.
Forecasters said Tuesday's high should be close to 80 once again, which is 15 degrees above normal for Madison in early October. Mostly cloudy, with a low around 46. Chance of precipitation is 60 percent.
Wednesday night - Clear, with a low around 58. Lows through this period will be in the low/ mid-60 with mostly clear conditions and winds from the south/ southeast at 5-10 miles per hour. North wind around 5 miles per hour becoming calm.
Friday, there is a 70 percent chance of showers and thunderstorms, the weather service said. Calm wind becoming southeast around 5 miles per hour after midnight. Mostly cloudy, with a low around 56.
Friday Night: Mostly clear, with a low around 60. Low around 65. Chance of precipitation is 80 percent.
Wednesday - A 50 percent chance of showers after 1pm. Cloudy - high near 77.
Tuesday afternoon the region will begin to build cloud cover, so we will become partly cloudy to partly sunny.