National Weather Service United States Department of Commerce

Rain chances increase late this evening into early Sunday as Post-Tropical Cyclone Isaias moves north into the Ohio Valley. Widespread accumulation is expected on Sunday with Eastern Ohio having the greatest chance of receiving over an inch of rain.
The remnants of Hurricane Isaias will move through the Ohio Valley Saturday night into Sunday. Any impacts will be very minor with moderate to heavy rain and breezy conditions, mainly on Sunday.
The average first frost occurs from early to mid October across much of the area, with later dates favored closer to Lake Erie. However, the timing can vary considerably from year to year, as shown by the earliest and latest dates on record.
The average date of the first freeze in northern Ohio and Northwest Pennsylvania ranges from Oct 14-Nov 2 with lakeshore areas usually occurring later than inland locations.
September 2026 temperatures averaged a little above normal across the region with most areas a little above normal for precipitation. The month started out with highs in the 90's for a couple of days then morning lows in the 40's toward the last week of the month.