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October Weather in Portage, United States

Last updated: June 24, 2025

In October, the average temperature in Portage, United States hovers around 12°C (54°F), providing a mild climate ideal for exploration. However, be prepared for a temperature range that can dip as low as -2°C (28°F) or soar up to 29°C (85°F). Visitors can expect an accumulated precipitation of 137 mm (5.4 in) over approximately 14 days, contributing to an average humidity level of 82%.

October Temperature in Portage

In October in Portage, the average temperature is 12°C (54°F). The maximum can reach 29°C (85°F), and the minimum can be as low as -2°C (28°F). This variability makes Portage an exciting destination for travelers looking to experience both warm and cool weather.

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

The chart illustrates October temperature patterns in Portage, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portage, October typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (85°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070747266533933
Data source: Temperature data for Portage generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Portage

In Portage in October, the precipitation amount is 137 mm (5.4 in) spread over 14 days.

October Precipitation Trends in Portage

The chart displays monthly precipitation patterns in Portage, 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 Portage, October typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7276869715112011081941377265
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Portage

In Portage in October humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

October Average Humidity in Portage

This chart illustrates the average monthly humidity levels in Portage, 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 Portage is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Portage

In Portage in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Portage.

Maximum UV Index Levels in Portage for October

The chart shows the monthly maximum UV Index (UVI) for Portage 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 Portage typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097532
Data source: Portage 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 Portage Compares to Other Months

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

This table compares monthly weather conditions in Portage, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)72 mm (2.8 inches)87%moderate
February Weather-3°C (28°F)75 mm (3.0 inches)87%moderate
March Weather3°C (38°F)86 mm (3.4 inches)86%high
April Weather8°C (47°F)97 mm (3.8 inches)87%very high
May Weather15°C (60°F)151 mm (5.9 inches)82%very high
June Weather21°C (71°F)120 mm (4.7 inches)81%very high
July Weather24°C (75°F)109 mm (4.3 inches)78%very high
August Weather22°C (72°F)81 mm (3.2 inches)79%very high
September Weather19°C (66°F)94 mm (3.7 inches)79%high
October Weather12°C (54°F)137 mm (5.4 inches)82%moderate
November Weather4°C (39°F)72 mm (2.8 inches)87%moderate
December Weather0°C (33°F)65 mm (2.6 inches)86%low

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