October Weather in Astoria, United States

Last updated: June 24, 2025

In October, the average temperature in Astoria, United States hovers around 14°C (57°F). Expect a wide range, with temperatures dipping as low as -4°C (25°F) and potentially soaring to 33°C (91°F). Be prepared for 108 mm (4.3 in) of precipitation over approximately 10 days, and keep in mind the average humidity level is a cozy 78%.

October Temperature in Astoria

In October in Astoria, the average temperature is 14°C (57°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm and cool clothing options.

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

The chart illustrates October temperature patterns in Astoria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Astoria, October typically has an average temperature of 14°C (57°F), with highs reaching up to 33°C (91°F) and lows dropping to around -4°C (25°F).

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

October Precipitation in Astoria

In Astoria in October, the total precipitation amount is 108 mm (4.3 in) spread over a duration of 10 days.

October Precipitation Trends in Astoria

The chart displays monthly precipitation patterns in Astoria, 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 Astoria, October typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 10 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 Astoria

In Astoria in October, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

October Average Humidity in Astoria

This chart illustrates the average monthly humidity levels in Astoria, 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 Astoria is approximately 78%, 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 Astoria

In Astoria 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 Astoria, you can refer to this Hourly UV Index in Astoria.

Maximum UV Index Levels in Astoria for October

The chart shows the monthly maximum UV Index (UVI) for Astoria 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 Astoria typically reaches 6, which falls under the high exposure category.

Data source: Astoria 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 Astoria Compares to Other Months

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

This table compares monthly weather conditions in Astoria, 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 (28°F)	62 mm (2.4 inches)	81%	moderate
February Weather	-1°C (31°F)	66 mm (2.6 inches)	81%	moderate
March Weather	6°C (43°F)	127 mm (5.0 inches)	81%	high
April Weather	11°C (52°F)	110 mm (4.3 inches)	82%	very high
May Weather	18°C (65°F)	164 mm (6.5 inches)	78%	very high
June Weather	24°C (75°F)	135 mm (5.3 inches)	81%	extreme
July Weather	25°C (78°F)	103 mm (4.0 inches)	79%	very high
August Weather	24°C (75°F)	89 mm (3.5 inches)	77%	very high
September Weather	21°C (71°F)	71 mm (2.8 inches)	78%	very high
October Weather	14°C (57°F)	108 mm (4.3 inches)	78%	high
November Weather	5°C (41°F)	59 mm (2.3 inches)	87%	moderate
December Weather	2°C (35°F)	51 mm (2.0 inches)	84%	low