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Weather in Seattle

Live weather forecast for Seattle, United States: current temperature, feels-like, wind, humidity, 48-hour hourly chart, 16-day outlook, air quality, UV and sunrise/sunset.

Current weather

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Hourly forecast (48 h)

16-day forecast

Climate & monthly averages

Average temperature and rainfall in Seattle by month (1991–2020 reference, ERA5 reanalysis).

13°16°19°20°16°12°Jan191Feb102Mar87Apr86May59Jun58Jul6Aug21Sep59Oct112Nov180Dec189
Warmest monthAug · 20°C / 68°F
Coldest monthFeb · 5°C / 41°F
Wettest monthJan · 191 mm
Annual avg temp11°C / 52°F
Annual rainfall1150 mm

About Seattle

Population780,995
Coordinates47.606, -122.332
Time zoneAmerica/Los_Angeles

Live weather forecast for Seattle

This page shows a live weather forecast for Seattle, United States, updated on every visit. You get the current temperature and how it feels, wind, humidity and pressure, an hourly chart for the next 48 hours, and a 16-day daily outlook with highs, lows and the chance of precipitation.

We also surface air quality (European AQI, PM2.5 and PM10), the UV index, sunrise and sunset times, and — for coastal locations — a short marine outlook. All data comes from Open-Meteo's open weather APIs and is free to use.

On average, the warmest month in Seattle is Aug (20°C) and the coldest is Feb (5°C). The wettest month is Jan (about 191 mm of rainfall), while Jul is the driest. The annual average temperature is around 11.2°C, with roughly 1150 mm of precipitation per year.

FAQ

How accurate is this forecast?

Forecasts use Open-Meteo, which blends leading national weather models (such as ECMWF, GFS and ICON). Hourly accuracy is high for the next 1–3 days and decreases further out, as with any forecast.

How often does the weather update?

The forecast is fetched live from the weather API each time you open the page, so you always see the latest available model run.

Can I switch between °C and °F?

Yes — use the °C / °F toggle above the current conditions. Your choice is remembered on this device.