Mill Creek

Snohomish County, Washington, United States

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Current Weather

10°

Clear

Feels Like: 10°

Min: 10°

Max: 22°

The next few hours will be clear, with today reaching 22°C and dropping to 11°C. The coming days will be drizzle

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Hourly Forecast

10° 10° 11° 14° 16° 17° 19° 20° 21° 22° 22° 22° 21° 19° 17° 16° 15° 14° 13° 13° 12° 12° 12° 11°
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7am
8am
9am
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11am
12pm
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5pm
6pm
7pm
8pm
9pm
10pm
11pm
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Today
Tomorrow

Daylight Hours

06:54

Sunrise

19:10

Sunset

12 hours 16 minutes of sunlight today

Moon

Waxing Crescent

13:29

Moonrise

20:50

Moonset

Daily Forecast

Today

10°
22°

Thursday

11°
23°

Friday

11°
22°

Saturday

11°
20°

Sunday

11°
21°

Monday

11°
20°

Tuesday

12°
19°

Wednesday

11°
19°

Thursday

10°
20°

Friday

12°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

93% Very Humid
Low High

Weather in Mill Creek today, September 16, 2026

Conditions in Mill Creek on September 16, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Morning skies stay relatively clear, holding cloud close to 0% near 06:00. The early part of the day favours being outside.

The temperature range runs from about 10°C up to 22°C. The air stays humid, with relative humidity between 43% and 94% and the peak around 07:00. Expect gentle winds, highest near 15:00 at 3.7 km/h.

Later hours favour clearer intervals, as cloud stays near 2% around 23:00. The afternoon is the better half for outdoor time. Horizontal visibility sits around 15.9 km, briefly nearer 14.6 km. Expect sunrise at 06:54, sunset at 19:10, and 12 hours 16 minutes of sunlight today overall.

In short, September 16, 2026 looks like a fine day in Mill Creek for being outside, peaking around 22°C.

Frequently asked questions about weather in Mill Creek

How warm does it get in Mill Creek?

The warmest month in Mill Creek is August, with average high temperatures of 24°C. The average temperature during this period is around 19°C.

How cold does it get in Mill Creek?

The coldest month in Mill Creek is February, with average low temperatures of 4°C. The average temperature during this period is around 5°C.

What is the wettest time of year in Mill Creek?

The wettest month in Mill Creek is December, with an average of 208mm of precipitation.

What is the driest time of year in Mill Creek?

The driest month in Mill Creek is July, with an average of 23mm of precipitation.

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Metric (°C, km/h)