Wet and Cloudy March Forecast for Mountlake Terrace

Expect a mix of rain showers, cloudy skies, and seasonal temperatures throughout the month

Published on Feb. 28, 2026

The 10-day weather forecast for Mountlake Terrace, Washington predicts a wet and cloudy March, with a mix of rain showers, overcast skies, and seasonal temperatures ranging from the mid-30s to the mid-50s Fahrenheit. The month will see a pattern of partly cloudy days giving way to cloudy conditions with occasional light rain showers, especially in the latter half of the month.

Why it matters

The rainy and overcast conditions expected in Mountlake Terrace this March are typical for the Pacific Northwest region during the spring transition, as the winter weather pattern gradually gives way to warmer and drier summer conditions. These weather patterns can impact outdoor activities, commute times, and energy usage for heating and lighting in the local community.

The details

The forecast calls for a mix of weather conditions, including partly cloudy skies with highs around 49-55F giving way to more overcast conditions with occasional light rain showers, especially in the second half of the month. Overnight lows are expected to range from the mid-30s to the low 40s Fahrenheit. Winds will be light, generally 5-15 mph from the north, south, and southeast directions.

  • Partly cloudy skies on March 1, with a high of 49F and low of 36F.
  • Mostly sunny on March 2, with a high of 53F and low of 33F.
  • Cloudy with occasional light rain on March 7-9, with highs around 50F and lows around 44F.
  • Showers expected on several days from March 12-31, with highs in the 47-51F range and lows in the 38-42F range.
  • The wettest period is expected to be March 15-20, with a 50-80% chance of rain showers each day.

The players

Mountlake Terrace, Washington

A city located in Snohomish County, Washington, part of the Seattle metropolitan area. It has a population of around 21,000 and a typical Pacific Northwest climate.

The Weather Channel

A major U.S. media company that provides weather forecasts, news, and information across television, digital, and mobile platforms.

Weather.com

The official website of The Weather Channel, providing detailed weather forecasts, news, and data for locations across the United States and worldwide.

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The takeaway

Residents of Mountlake Terrace should prepare for a wet and cloudy March, with frequent rain showers and overcast skies, but temperatures that remain within the seasonal norms for the Pacific Northwest. Staying up-to-date on the latest forecasts and planning accordingly for outdoor activities and commuting will be important during this transitional weather period.