Lynnwood

Snohomish County, Washington, United States

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Current Weather

14°

Mostly Clear

Feels Like: 12°

Min: 11°

Max: 18°

The next few hours will be overcast, with today reaching 18°C and dropping to 13°C. The coming days will be mostly clear until evening.

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Hourly Forecast

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Daylight Hours

06:53

Sunrise

19:13

Sunset

12 hours 19 minutes of sunlight today

Moon

Waxing Crescent

12:20

Moonrise

20:25

Moonset

Daily Forecast

Today

11°
18°

Wednesday

15°

Thursday

15°

Friday

11°

Saturday

12°

Sunday

13°

Monday

13°

Tuesday

15°

Wednesday

10°
16°

Thursday

17°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

78% Humid
Low High

Weather in Lynnwood today, September 15, 2026

Sunshine leads the day in Lynnwood on September 15, 2026, with a patch of cloud building near 09:00. The broader outlook stays fair despite that temporary thickening. Expect a brighter morning, with limited cloud around 42% by 09:00. Conditions start on a settled note.

Temperatures climb from an overnight low near 11°C toward a daytime high of about 18°C. Expect humidity between 52% and 79%, most humid near 09:00. Expect gentle winds, highest near 18:00 at 3.9 km/h.

Later hours favour clearer intervals, as cloud stays near 5% around 12:00. The afternoon is the better half for outdoor time. Horizontal visibility holds close to 16.1 km. Sunrise is at 06:53 and sunset at 19:13, giving 12 hours 19 minutes of sunlight today.

In short, September 15, 2026 looks like a fine day in Lynnwood for being outside, peaking around 18°C.

Frequently asked questions about weather in Lynnwood

How warm does it get in Lynnwood?

The warmest month in Lynnwood 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 Lynnwood?

The coldest month in Lynnwood 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 Lynnwood?

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

What is the driest time of year in Lynnwood?

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

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Metric (°C, km/h)