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Hourly Forecast
Daylight Hours
07:23
Sunrise
19:32
Sunset
Moon
Waxing Crescent
14:07
Moonrise
22:32
Moonset
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Weather in Washington today, September 17, 2026
Washington may turn murky on September 17, 2026, with fog or mist reducing clarity at times. Early travel in particular may need extra care. Cloud leads the morning, peaking close to 100% near 02:00. Sunshine has little room until later in the day.
The temperature range runs from about 23°C up to 33°C. Moisture in the air spans 27%-93%, with the highest values around 21:00. Winds stay light, near 5.1 km/h by 02:00, so the day feels still more than breezy.
Afternoon conditions open up, holding cloud close to 36% near 19:00. The day finishes on a milder, brighter note. Expect visibility near 15.4 km, with poorer spells close to 9.6 km. Expect sunrise at 07:23, sunset at 19:32, and 12 hours 8 minutes of sunlight today overall.
Overall, Washington on September 17, 2026 needs patience with visibility, especially early, even as temperatures reach about 33°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 36°C. The average temperature during this period is around 30°C.
How cold does it get in Washington?
The coldest month in Washington is January, with average low temperatures of -2°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Washington?
The wettest month in Washington is March, with an average of 49mm of precipitation.
What is the driest time of year in Washington?
The driest month in Washington is June, with an average of 1mm of precipitation.
