Seattle Weather Forecast: Rainy Week Ahead, With Drier Conditions Expected by Halloween
Seattle’s seven-day forecast calls for cool temperatures, periods of rain, and improving conditions toward Halloween. Here’s what to expect across the Seattle area from October 26 through November 1.
· All Seattle News Desk
Seattle Weather Forecast: October 26 – November 1, 2026
The Seattle area is heading into a cool, unsettled week, with periods of rain expected across much of the region before conditions begin to improve toward the end of the week. Daytime temperatures will generally remain in the low to mid-50s, while overnight lows fall into the upper 30s and 40s.
According to the National Weather Service, Wednesday and Thursday are expected to bring some of the week’s wettest weather. Residents should keep rain gear handy and allow extra time for commutes during periods of reduced visibility and wet road conditions.
The 7-day forecast for Seattle
Monday, October 26
Showers and cloudy skies are expected, with a high near 55°F and a low around 47°F. Rain may continue into the evening.
Tuesday, October 27
A mostly cloudy day with a chance of showers. Temperatures are expected to reach around 56°F, with overnight lows near 45°F. Rain chances increase overnight.
Wednesday, October 28
Rain is likely, with cloudy skies and a high near 53°F. Temperatures may drop to around 42°F overnight, with additional rain expected.
Thursday, October 29
Another cool day with periods of rain and a high near 51°F. The low is expected to be around 41°F. Showers may linger into the evening.
Friday, October 30
Conditions may begin to improve, although clouds and a chance of morning showers remain possible. The high is expected to be around 51°F, with a low near 39°F.
Saturday, October 31 — Halloween
Partly sunny conditions are expected, with a high near 53°F and a low around 40°F. The forecast currently suggests a lower chance of rain than earlier in the week, but conditions could change as Halloween approaches.
Sunday, November 1
Partly sunny skies are expected, with temperatures reaching around 53°F. The morning could bring some clouds or a few showers before conditions become more favorable for outdoor activities.
What about Bellevue, Everett, and Tacoma?
Communities across the Puget Sound region can experience slightly different temperatures and rainfall.
- Bellevue: Expect a similar pattern to Seattle, with cool temperatures and periods of rain midweek.
- Everett: Temperatures are generally expected to be a few degrees cooler than Seattle, particularly overnight.
- Tacoma: Conditions are likely to follow the broader regional pattern, with rain during the middle of the week and a chance of drier weather toward the weekend.
For exact local conditions, check the forecast for your city before traveling or planning outdoor activities.
What residents should know this week
Keep an umbrella handy. The greatest likelihood of wet weather is expected around Wednesday and Thursday.
Prepare for chilly mornings. Overnight lows may approach the upper 30s in some locations by Friday and Saturday.
Plan ahead for Halloween. The current forecast points to a potentially drier Saturday, but check for updated conditions before heading out for trick-or-treating or other outdoor events.
Drive carefully in the rain. Wet roads and reduced visibility can make the morning and evening commute more difficult.
AllSeattle.org will continue to provide local information to help Seattle-area residents plan their week.
Forecast information checked October 26, 2026. Temperatures and conditions are estimates and may change as new forecasts are issued.
Source: National Weather Service