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Hourly Forecast
Daylight Hours
06:55
Sunrise
19:09
Sunset
Moon
Waxing Crescent
11:38
Moonrise
20:47
Moonset
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Weather in Washington today, September 15, 2026
Conditions in Washington on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The opening hours look fair, as cloud stays near 0% around 08:00. Morning errands should face fewer weather interruptions.
Expect highs of 27°C and cooler readings close to 14°C. Expect humidity between 33% and 72%, most humid near 08:00. Airflow remains manageable, reaching about 3.0 km/h around 19:00.
Afternoon skies stay clogged, peaking close to 100% near 13:00. The grey theme continues rather than clearing out. Horizontal visibility holds close to 16.1 km. The sun rises at 06:55 and sets at 19:09, for a total of 12 hours 14 minutes of sunlight today.
In short, September 15, 2026 looks like a fine day in Washington for being outside, peaking around 27°C.
Frequently asked questions about weather in Washington
How warm does it get in Washington?
The warmest month in Washington is July, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in Washington?
The coldest month in Washington is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Washington?
The wettest month in Washington is July, with an average of 154mm of precipitation.
What is the driest time of year in Washington?
The driest month in Washington is November, with an average of 70mm of precipitation.
