October Weather in Williamsport, United States

Last updated: June 24, 2025

In October, the average temperature in Williamsport, United States hovers around 14°C (58°F). While you might experience a chilly minimum of -3°C (27°F), be prepared for the occasional warm spell reaching up to 33°C (91°F). Throughout the month, expect 116 mm (4.6 in) of precipitation spread over 11 days, with humidity averaging a comfortable 81%.

October Temperature in Williamsport

In October in Williamsport, the average temperature is 14°C (58°F). Maximum temperatures can reach 33°C (91°F), while minimum temperatures can drop as low as -3°C (27°F). Be sure to pack for a range of weather conditions during your travels!

October Weather in Williamsport: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Williamsport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamsport, October typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (91°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Williamsport generated using information from the Copernicus Climate Change Service.

October Precipitation in Williamsport

In Williamsport in October, the precipitation amount is 116 mm (4.6 in) over the course of 11 days.

October Precipitation Trends in Williamsport

The chart displays monthly precipitation patterns in Williamsport, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Williamsport, October typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Williamsport

In Williamsport in October, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

October Average Humidity in Williamsport

This chart illustrates the average monthly humidity levels in Williamsport, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Williamsport is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Williamsport

In Williamsport in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Williamsport, you can refer to this Hourly UV Index in Williamsport.

Maximum UV Index Levels in Williamsport for October

The chart shows the monthly maximum UV Index (UVI) for Williamsport in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Williamsport typically reaches 6, which falls under the high exposure category.

Data source: Williamsport October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Williamsport Compares to Other Months

Weather in Williamsport varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Williamsport, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Williamsport, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	76 mm (3.0 inches)	85%	moderate
February Weather	0°C (32°F)	77 mm (3.1 inches)	85%	moderate
March Weather	6°C (42°F)	112 mm (4.4 inches)	86%	high
April Weather	11°C (52°F)	104 mm (4.1 inches)	87%	very high
May Weather	18°C (64°F)	151 mm (5.9 inches)	81%	very high
June Weather	23°C (74°F)	103 mm (4.0 inches)	82%	extreme
July Weather	25°C (77°F)	93 mm (3.7 inches)	81%	very high
August Weather	23°C (74°F)	106 mm (4.2 inches)	79%	very high
September Weather	21°C (70°F)	67 mm (2.6 inches)	78%	very high
October Weather	14°C (58°F)	116 mm (4.6 inches)	81%	high
November Weather	5°C (42°F)	76 mm (3.0 inches)	89%	moderate
December Weather	2°C (36°F)	61 mm (2.4 inches)	86%	low