Seattle Weather in October
15.4°C high · 6.9°C low · 85 mm rain · 3.3h sun
Oct is a warm month in Seattle — not peak season, but a good time to avoid crowds.
October at a glance
| Metric | Value |
|---|---|
| Average high | 15.4°C |
| Average low | 6.9°C |
| Rainfall | 85 mm |
| Sunshine | 3.3 hours/day |
| Daylight | 10.6 hours |
What to pack in October
Pack a jacket and layers for Seattle in October.
Seattle weather by month
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Frequently asked questions
What is the weather in Seattle in October?
Highs of 15.4°C and lows of 6.9°C, with about 85 mm of rain and 3.3 hours of sunshine per day.
Is October a good time to visit Seattle?
Oct is a warm month in Seattle — not peak season, but a good time to avoid crowds.
What to do in Seattle · Best time to visit Seattle
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.