October weather forecast
Pennsylvania, USA

October is a month of pronounced transformation for Pennsylvania as autumnal shades deepen and temperatures continue their descent. The state typically sees temperatures fluctuating between 40°F (4.4°C) and 65°F (18.3°C), with the colder readings becoming more prevalent as the month advances. October's cool embrace is most felt during the late evenings and early mornings, urging residents and visitors to don warmer attire.

One of the month's primary attractions is the peak of fall foliage. Pennsylvania's diverse topography bursts into a riot of colors, from brilliant oranges to deep reds, especially prominent in areas like the Pocono Mountains. The display is nothing short of breathtaking, drawing tourists and locals alike for scenic drives, hikes, and outdoor activities to bask in this ephemeral beauty.

Rainfall is moderate, and the occurrence of brief showers adds a certain charm to the fall landscape, intensifying the earthy aroma of the season. The transition towards winter begins to be felt, especially in the mountainous areas, where occasional frost might coat the ground in the mornings.

Lake Erie's vicinity continues to experience the lake's tempering effects, ensuring slightly milder temperatures compared to the rest of the state. However, as October progresses, even this region cannot escape the unmistakable chill heralding the coming winter.

When juxtaposed with September, October exhibits a more profound autumnal character. While September initiates the fall season, October delves deep into its heart. Days continue to shorten, shadows lengthen, and there's a palpable anticipation in the air for the forthcoming winter. October in Pennsylvania is a celebration of change, offering visual splendors and a climate that resonates with the essence of the fall season.

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• Philadelphia - October »
  October presents Philadelphia, Pennsylvania with true fall weather, featuring mild days and cool evenings. In Philadelphia, Pennsylvania, during October, the rain falls for 9 days and regularly aggregates up to 0.91" (23mm) of precipitation.
• Pittsburgh - October »
  In Pittsburgh, during October, the rain falls for 14.2 days and regularly aggregates up to 2.09" (53mm) of precipitation. The arrival of October in Pittsburgh brings substantial changes in the city's weather pattern, bringing an end to the summer heat and welcoming the full onset of autumn.
• Allentown - October »
  In Allentown, during October, the rain falls for 11.9 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Allentown, in October, during 11.9 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.
• Erie - October »
  The month with the most rainfall in Erie is October, when the rain falls for 10.5 days and typically aggregates up to 0.83" (21mm) of precipitation. In Erie in October, during 10.5 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.
• Reading - October »
  In Reading, during October, the rain falls for 13.1 days and regularly aggregates up to 2.52" (64mm) of precipitation. On the first day of October in Reading, sunrise is at 7:00 am and sunset at 6:46 pm.
• Scranton - October »
  In Scranton, during October, the rain falls for 12.7 days and regularly aggregates up to 1.89" (48mm) of precipitation. October is the first month it typically snows in Scranton, Pennsylvania.
• Bethlehem - October »
  In Bethlehem, Pennsylvania, in October, during 12.4 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. On the first day of October in Bethlehem, sunrise is at 6:57 am and sunset at 6:44 pm.
• Lancaster - October »
  On the first day of October in Lancaster, Pennsylvania, sunrise is at 7:01 am and sunset at 6:48 pm. On the last day of October, in Lancaster, Pennsylvania, sunrise is at 7:33 am and sunset at 6:04 pm EDT.
• Harrisburg - October »
  On the first day of October in Harrisburg, Pennsylvania, sunrise is at 7:03 am and sunset at 6:50 pm. In Harrisburg snow does not fall in May through October.
• Altoona - October »
  In Altoona, during October, the rain falls for 13.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. In October, in Altoona the rain falls for 13.3 days.
• York - October »
  The months with the highest humidity in York are February, May and October, with an average relative humidity of 80%. On the first day of October in York, Pennsylvania, sunrise is at 7:03 am and sunset at 6:50 pm.
• State College - October »
  On the first day of October in State College, Pennsylvania, sunrise is at 7:07 am and sunset at 6:54 pm. In State College, Pennsylvania, in October, it is raining for 14.8 days, with typically 2.76" (70mm) of accumulated precipitation.