See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
17°
Overcast
Feels Like: 6°
Min: 13°
Max: 19°
The next few hours will be overcast, with tomorrow reaching 16°C and dropping to 11°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:52
Sunrise
19:15
Sunset
Moon
Waxing Crescent
11:06
Moonrise
20:05
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Tukwila.
UV Index
Humidity
Weather in Tukwila tomorrow, September 15, 2026
Expect a muted, overcast feel in Tukwila on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 100% by 00:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 11°C up to 16°C. Expect humidity between 66% and 93%, most humid near 02:00. A lighter breeze peaks around 16:00 near 6.4 km/h.
Expect persistent cloud later on, with amounts around 91% by 17:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.0 km on average, though it can drop toward 11.1 km in thicker cloud or showers. Daylight runs from 06:53 to 19:13, lasting 12 hours 19 minutes of sunlight today.
The practical takeaway for Tukwila on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 16°C.
Frequently asked questions about weather in Tukwila
How warm does it get in Tukwila?
The warmest month in Tukwila is August, with average high temperatures of 25°C. The average temperature during this period is around 19°C.
How cold does it get in Tukwila?
The coldest month in Tukwila is February, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Tukwila?
The wettest month in Tukwila is December, with an average of 204mm of precipitation.
What is the driest time of year in Tukwila?
The driest month in Tukwila is July, with an average of 17mm of precipitation.
Explore more weather forecasts
- Bryn Mawr-Skyway, Washington
- New York City, New York
- Renton, Washington
- Los Angeles, California
- SeaTac, Washington
- Brooklyn, New York
- Burien, Washington
- Chicago, Illinois
- Fairwood, Washington
- Houston, Texas
- White Center, Washington
- Queens, New York
- Des Moines, Washington
- Phoenix, Arizona
- East Hill-Meridian, Washington
- Philadelphia, Pennsylvania
