The highest day temperature in October 2026 was 94°F. The lowest night temperature was 43°F. The average values for day and night temperatures during October were 71.7°F и 56.7°F respectivly.

The average sea surface temperature in October 2026 for Washington was 69.2°F. The maximum and minimum values were 63.2°F and 73.2°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Washington is 2.1 in. It makes october one of the least rainy months of the year.

The average wind speed in October is 7.1 mph.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Washington in October is 6.8 hours.