Hillsboro
Oregon, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Hillsboro, OR

The red tree colors of the fall along a road and amid trees in this tranquil neighborhood in Hillsboro, Oregon, and even better in the sun rays
The red tree colors of the fall along a road and amid trees in this tranquil neighborhood in Hillsboro, Oregon, and even better in the sun rays
October, the same as September, is another enjoyable autumn month in Hillsboro, Oregon, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 64.2°F (17.9°C).

Temperature

In October, the average high-temperature decreases, from a warm 75.9°F (24.4°C) in September, to an enjoyable 64.2°F (17.9°C). The average low-temperature, in October, is 41.5°F (5.3°C).

Rainfall

In Hillsboro, Oregon, during 12 rainfall days, 3" (75.7mm) of precipitation is typically accumulated. Throughout the year, there are 151 rainfall days, and 37.7" (958.6mm) of precipitation is accumulated.

Daylight

The average length of the day in October in Hillsboro is 10.9h.

What is the temperature in October in Hillsboro?

In Hillsboro, Oregon, in October, the average high-temperature is 64.2°F (17.9°C), and the average low-temperature is 41.5°F (5.3°C).

How much does it rain in Hillsboro in October?

In Hillsboro, Oregon, during October, the rain falls for 12 days and regularly aggregates up to 3" (75.7mm) of precipitation.

How many hours of daylight does Hillsboro have in October?

In Hillsboro, the average length of the day in October is 10.9h.
Average temperature in October - Hillsboro, OR
  • Average high temperature in October: 64.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in October: 41.6°F

The month with the highest average low temperature is July (51.9°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average rainfall in October - Hillsboro, OR
  • Average rainfall in October: 3"

The wettest month (with the highest rainfall) is December (6.8").
The driest month (with the lowest rainfall) is July (0.5").

Average rainfall days in October - Hillsboro, OR
  • Average rainfall days in October: 12 days

Months with the highest number of rainy days are January and December (20 days).
The month with the lowest number of rainy days is July (3 days).

Average daylight in October - Hillsboro, OR
  • Average daylight in October: 10.9h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).