Mountlake Terrace

Snohomish County, Washington, United States

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Current Weather

13°

Clear

Feels Like: 12°

Min: 12°

Max: 21°

The next few hours will be clear, with today reaching 21°C and dropping to 12°C. The coming days will be mostly clear starting in the afternoon.

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Hourly Forecast

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Daylight Hours

06:55

Sunrise

19:11

Sunset

12 hours 16 minutes of sunlight today

Moon

Waxing Crescent

13:29

Moonrise

20:50

Moonset

Daily Forecast

Today

12°
21°

Thursday

12°
22°

Friday

12°
22°

Saturday

11°
20°

Sunday

11°
20°

Monday

11°
20°

Tuesday

12°
19°

Wednesday

11°
19°

Thursday

17°

Friday

12°
18°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

88% Humid
Low High

Weather in Mountlake Terrace today, September 16, 2026

Mountlake Terrace is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The morning looks comparatively open, with cloud near 4% around 10:00. Early outdoor plans have a better chance of staying dry and bright.

Expect highs of 21°C and cooler readings close to 12°C. Expect humidity between 49% and 89%, most humid near 03:00. Winds stay light, near 4.7 km/h by 04:00, so the day feels still more than breezy.

Expect a more open afternoon, with limited cloud around 5% by 21:00. Residual damp risk should be lower than earlier. Expect visibility around 16.1 km. Daylight runs from 06:55 to 19:11, lasting 12 hours 16 minutes of sunlight today.

The practical takeaway for Mountlake Terrace is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 21°C.

Frequently asked questions about weather in Mountlake Terrace

How warm does it get in Mountlake Terrace?

The warmest month in Mountlake Terrace 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 Mountlake Terrace?

The coldest month in Mountlake Terrace 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 Mountlake Terrace?

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

What is the driest time of year in Mountlake Terrace?

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

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Metric (°C, km/h)