See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
18°
Clear
Feels Like: 12°
Min: 8°
Max: 20°
The next few hours will be overcast, with today reaching 20°C and dropping to 8°C. The coming days will be mostly clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:47
Sunrise
19:06
Sunset
Moon
Waxing Crescent
12:09
Moonrise
20:21
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in Ellensburg today, September 15, 2026
Expect a muted, overcast feel in Ellensburg on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.
The temperature range runs from about 8°C up to 20°C. The air stays humid, with relative humidity between 42% and 80% and the peak around 23:00. Airflow remains manageable, reaching about 3.1 km/h around 17:00.
Afternoon skies stay clogged, peaking close to 82% near 20:00. The grey theme continues rather than clearing out. Visibility stays near 16.1 km. Expect sunrise at 06:47, sunset at 19:06, and 12 hours 19 minutes of sunlight today overall.
The practical takeaway for Ellensburg on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 20°C.
Frequently asked questions about weather in Ellensburg
How warm does it get in Ellensburg?
The warmest month in Ellensburg is July, with average high temperatures of 30°C. The average temperature during this period is around 21°C.
How cold does it get in Ellensburg?
The coldest month in Ellensburg is January, with average low temperatures of -4°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Ellensburg?
The wettest month in Ellensburg is December, with an average of 88mm of precipitation.
What is the driest time of year in Ellensburg?
The driest month in Ellensburg is July, with an average of 3mm of precipitation.
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