Temperature
Cool by day, brisk at night.
60°Ftypical October high
Typical range
October climate
October in Seattle
United States · North America
Cool days.
Some tradeoffs
Early to mid
Daytime high
60°F
Lows around 47°F
Rain
Frequent rain
Sun
4.5 h/day
Air feel
Very dry
Sea temp
55°F
Too cold for swimming
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent and often persists for longer stretches. About 15 wet days this month.
48%wet-day frequency
AmountWet-day chance
Sunshine
Sunshine is limited, with cloud often dominating.
4.6 hOctober sunshine
Heat & humidity by month
Very dryOctober Heat feel
Easy airWarm airHot airHumid air
Hourly temperature pattern
In October, afternoons feel about 54° and nights feel near 44°.
Very coldColdCoolComfortableNight hours
Clear sky
Mostly cloudy skies this month.
34%October Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in October.
6 mphOctober Calm
Sea temperature
55°FOctober sea temp
More detailIncludes daypart comfort
Typical October day
October late afternoons are around 58°F, easing to about 54°F in early evening.
Avg temp Typical range
Morning52°F
Rain29%
Cloud70%
Humid airLow
Sun intensityMinimal
Midday55°F
Rain31%
Cloud65%
Humid airLow
Sun intensityModerate
Late afternoon58°F
Rain31%
Cloud64%
Humid airLow
Sun intensityLow
Early evening54°F
Rain27%
Cloud61%
Humid airLow
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 46 | 38 | 7.1 | 18 | 2.3 | 85 | 48 |
| Feb | 48 | 38 | 4.9 | 15 | 3.9 | 81 | 48 |
| Mar | 53 | 41 | 5.6 | 18 | 5.8 | 78 | 48 |
| Apr | 58 | 43 | 4.1 | 16 | 6.9 | 74 | 50 |
| May | 64 | 49 | 3.1 | 13 | 8.2 | 74 | 53 |
| Jun | 69 | 53 | 2.2 | 10 | 8.9 | 73 | 56 |
| Jul | 76 | 57 | 0.8 | 5 | 10.1 | 70 | 59 |
| Aug | 76 | 58 | 1.2 | 5 | 9.1 | 72 | 59 |
| Sep | 70 | 54 | 2.6 | 8 | 7.4 | 77 | 58 |
| Oct | 60 | 47 | 5.4 | 15 | 4.6 | 83 | 55 |
| Nov | 51 | 42 | 7.6 | 18 | 2.4 | 84 | 51 |
| Dec | 45 | 38 | 7.4 | 19 | 1.7 | 85 | 49 |
Similar climates
Similar
Similar travel styleHalifaxCanadaSimilar travel styleVictoriaCanadaSimilar travel styleSan FranciscoUnited StatesSimilar travel styleNew York CityUnited States
Want a side-by-side climate view? Compare Seattle with Halifax.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology