See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
14°
Overcast
Feels Like: 4°
Min: 13°
Max: 19°
The next few hours will be overcast, with tomorrow reaching 19°C and dropping to 11°C. The coming days will be partly cloudy throughout the day.
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
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UV Index
Humidity
Weather in Renton tomorrow, September 15, 2026
Renton looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The first half of the day looks overcast, as cloud amounts reach about 100% around 00:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 11°C up to 19°C. The air stays humid, with relative humidity between 66% and 96% and the peak around 02:00. Airflow remains manageable, reaching about 6.7 km/h around 16:00.
The afternoon keeps an overcast feel, as cloud reaches about 93% around 17:00. Outdoor plans may still want a flexible backup. Expect visibility near 14.2 km, with poorer spells close to 11.1 km. Sunrise is at 06:53 and sunset at 19:13, giving 12 hours 19 minutes of sunlight today.
Overall, Renton on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 19°C.
Frequently asked questions about weather in Renton
How warm does it get in Renton?
The warmest month in Renton 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 Renton?
The coldest month in Renton 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 Renton?
The wettest month in Renton is December, with an average of 204mm of precipitation.
What is the driest time of year in Renton?
The driest month in Renton is July, with an average of 17mm of precipitation.
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