How reliable is this forecast?

Values for 15 days ahead show a trend; they are updated as the date approaches and may change.

Weather · United States

Washington State 15-Day Weather Forecast

Over the 15 days from October 17 to October 31, temperatures in Washington State will range from 3°C to 20°C; the warmest day is October 21. Days with rain (1 mm or more) expected: 2. Values beyond day 7 indicate a trend and are updated daily.

Washington State 15-day forecast table

The bar shows each day's range against the period's lowest and highest temperature.

Frequently asked questions

What will the weather be like in Washington State over the next 15 days?: Over the 15 days from October 17 to October 31, temperatures in Washington State will range from 3°C to 20°C; the warmest day is October 21. Days with rain (1 mm or more) expected: 2. Values beyond day 7 indicate a trend and are updated daily.
How reliable is this forecast?: Values for 15 days ahead show a trend; they are updated as the date approaches and may change.