Seattle weather in July
Long-run climate averages for Seattle, WA in July, plus what the forecast models say for the days ahead.
In July, Seattle averages 78°F by day and 58°F at night. The wettest month is usually December.
July in Seattle averages a daytime high of 78°F and an overnight low of 58°F, which reads as warm for this part of the world. It is the warmest month of the year here. Across the whole year Seattle sees roughly 43 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Seattle forecast with every model compared and how much they currently agree.
Seattle weather by month
what to expect in Seattle through the yearHere is Seattle's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Seattle by season.