Marysville

Snohomish County, Washington, United States

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Current Weather

14°

Overcast

Feels Like:

Min: 13°

Max: 18°

The next few hours will be overcast, with tomorrow reaching 16°C and dropping to 11°C. The coming days will be drizzle

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Hourly Forecast

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Daylight Hours

06:51

Sunrise

19:15

Sunset

12 hours 23 minutes of sunlight today

Moon

Waxing Crescent

11:07

Moonrise

20:03

Moonset

Daily Forecast

Monday

13°
18°

Today

11°
16°

Wednesday

16°

Thursday

16°

Friday

11°

Saturday

13°

Sunday

13°

Monday

13°

Tuesday

15°

Wednesday

10°
16°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

89% Humid
Low High

Weather in Marysville tomorrow, September 15, 2026

Conditions in Marysville 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 morning sky stays heavily clouded, with cover near 100% around 00:00. Grey conditions set the early tone before any later change.

Expect highs of 16°C and cooler readings close to 11°C. The air stays humid, with relative humidity between 70% and 94% and the peak around 06:00. Airflow remains manageable, reaching about 7.8 km/h around 13:00.

Through the afternoon cloud remains the main feature, with cover near 88% around 16:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 14.6 km, briefly nearer 9.6 km. The sun rises at 06:53 and sets at 19:13, for a total of 12 hours 19 minutes of sunlight today.

In short, September 15, 2026 looks like a fine day in Marysville for being outside, peaking around 16°C.

Frequently asked questions about weather in Marysville

How warm does it get in Marysville?

The warmest month in Marysville is August, with average high temperatures of 23°C. The average temperature during this period is around 18°C.

How cold does it get in Marysville?

The coldest month in Marysville 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 Marysville?

The wettest month in Marysville is December, with an average of 259mm of precipitation.

What is the driest time of year in Marysville?

The driest month in Marysville is July, with an average of 27mm of precipitation.

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