October weather forecast
Portland, OH

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Weather in October

October, like September, in Portland, Ohio, is another refreshing autumn month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 46.8°F (8.2°C).

Temperature

Observing a mild shift, the average high-temperature during October reduces from September's moderately hot 78.4°F (25.8°C) to an enjoyable 64.9°F (18.3°C). Nighttime temperature lowers to an average of 46.8°F (8.2°C) in October.

Humidity

In October, the average relative humidity in Portland is 77%.

Rainfall

In Portland, Ohio, during October, the rain falls for 13.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 178.2 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Portland are January through May, October through December. October is the first month it typically snows in Portland. Throughout October, in the average 0.2 snowfall days, it receives 0.43" (11mm) of snow. In Portland, during the entire year, snow falls for 40.4 days and aggregates up to 15.91" (404mm) of snow.

Daylight

In Portland, Ohio, the average length of the day in October is 11h and 10min.
On the first day of the month, sunrise is at 7:23 am and sunset at 7:09 pm. On the last day of October, sunrise is at 7:54 am and sunset at 6:27 pm EDT.

Sunshine

In Portland, Ohio, the average sunshine in October is 6h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are October temperatures in Portland?

The average high-temperature and low-temperature during October are 64.9°F (18.3°C) and 46.8°F (8.2°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 95°F (35°C).

What is the average humidity in October in Portland?

In Portland, the average relative humidity in October is 77%.

How much does it rain in Portland in October?

In October, in Portland, the rain falls for 13.5 days. Throughout October, 2.44" (62mm) of precipitation is accumulated.

When does it start snowing in Portland?

October is the first month it typically snows in Portland. Throughout October, in the average 0.2 snowfall days, it receives 0.43" (11mm) of snow.

What is the average length of the day in October in Portland?

In October, the average day length is 11h and 10min.

What time are sunrise and sunset in October in Portland?

On the first day of October in Portland, Ohio, sunrise is at 7:23 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:27 pm EDT.

How many hours of sunshine does Portland have in October?

The average sunshine duration in October is 6h.

How high is the UV index in October in Portland?

In Portland, Ohio, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Portland, OH

Average temperature in October - Portland, OH
  • Average high temperature in October: 64.9°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in October: 46.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in October
Portland, OH

Average pressure in October - Portland, OH
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in October
Portland, OH

Average wind speed in October - Portland, OH
  • Average wind speed in October: 5.4mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in October
Portland, OH

Average humidity in October - Portland, OH
  • Average humidity in October: 77%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in October
Portland, OH

Average rainfall in October - Portland, OH
  • Average rainfall in October: 2.44"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in October
Portland, OH

Average rainfall days in October - Portland, OH
  • Average rainfall days in October: 13.5 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).

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Average snowfall in October
Portland, OH

Average snowfall in October - Portland, OH
  • Average snowfall in October: 0.43"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Portland, OH

Average snowfall days in October - Portland, OH
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Portland, OH

Average daylight in October / Average sunshine in October - Portland, OH
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 6h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in October
Portland, OH

Average sunshine days in October - Portland, OH
  • Average sunshine days in October: 16.3 days

The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).

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Average UV index in October
Portland, OH

Average UV index in October - Portland, OH
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in October
Portland, OH

Average cloud cover in October - Portland, OH
  • Average cloud cover in October: 41

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in October
Portland, OH

Average visibility in October - Portland, OH
  • Average visibility in October: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Portland, Ohio, USA

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