Weather in Harrisburg in October
How warm is it in Harrisburg in October?
In October the typical daytime high in Harrisburg is 19.0 °C on average, from 22.0 °C at the start to 15.9 °C at the end of the month.
That is 6.1 °C cooler than in September and 7.6 °C warmer than in November.
The last 10 years were 3.2 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Carlisle Wtp, 26 km away.