Halloween Weatherin Seattle, Washington
October 31, 2026 · Saturday
Extended OutlookCool with rain likely
Expected high
52–57°
Expected low
40–48°
Rain risk
High
60% of past years
Confidence: FairTemperatures near normal
What will it feel like?
Expect a mild day in Seattle that feels cool in the morning and evening. Rain is fairly likely, so plan for some wet stretches.
What should I wear?
Long sleeves or a light jacket. Consider an umbrella or light rain jacket.
Good day for…
- BeachPoor
- Theme parkPoor
- Outdoor diningPoor
- HikingGood
- Outdoor eventPoor
What’s normal for this date?
- Typical high
- 54°
- Typical low
- 44°
- Rain chance
- 60%
This outlook: temperatures near normal.
Past weather on this date
- Last year (2025)54° / 45°
- 5-year average54° / 41°
- 10-year average54° / 42°
- Warmest in that span57° (2018)
- Coolest in that span34° (2019)
Details
- Sunrise7:52 AM
- Sunset5:52 PM
About this outlook
Based on long-range trends, recent patterns and historical weather. The exact weather this far ahead can't be known — this shows what's most likely.
Sources: Open-Meteo historical archive (ERA5), past 10 years · Recent observed weather patterns
Updated Tue, 06 Oct 2026 01:07:41 GMT