See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
17°
Mostly Clear
Feels Like: 14°
Min: 13°
Max: 20°
The next few hours will be overcast, with today reaching 20°C and dropping to 12°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
06:53
Sunrise
19:13
Sunset
Moon
Waxing Crescent
12:18
Moonrise
20:25
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Bellevue.
Resources
UV Index
Humidity
Weather in Bellevue today, September 15, 2026
Plan for bright conditions in Bellevue on September 15, 2026, though cloud cover thickens for a spell near 11:00. The day as a whole still leans toward sunshine. Expect a brighter morning, with limited cloud around 29% by 11:00. Conditions start on a settled note.
The temperature range runs from about 13°C up to 20°C. Expect humidity between 49% and 82%, most humid near 23:00. Airflow remains manageable, reaching about 4.0 km/h around 17:00.
Afternoon conditions open up, holding cloud close to 29% near 13:00. The day finishes on a milder, brighter note. Horizontal visibility holds close to 16.1 km. Sunrise is at 06:53 and sunset at 19:13, giving 12 hours 19 minutes of sunlight today.
In short, September 15, 2026 looks like a fine day in Bellevue for being outside, peaking around 20°C.
Frequently asked questions about weather in Bellevue
How warm does it get in Bellevue?
The warmest month in Bellevue 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 Bellevue?
The coldest month in Bellevue 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 Bellevue?
The wettest month in Bellevue is December, with an average of 204mm of precipitation.
What is the driest time of year in Bellevue?
The driest month in Bellevue is July, with an average of 17mm of precipitation.
Explore more weather forecasts
- Mercer Island, Washington
- New York City, New York
- Kirkland, Washington
- Los Angeles, California
- West Lake Sammamish, Washington
- Brooklyn, New York
- Newcastle, Washington
- Chicago, Illinois
- Redmond, Washington
- Houston, Texas
- Sammamish, Washington
- Queens, New York
- Seattle, Washington
- Phoenix, Arizona
- City of Sammamish, Washington
- Philadelphia, Pennsylvania
