Wet Weather Forecast for Markham, WA

10-day outlook calls for rain, clouds, and cooler temperatures

Published on Mar. 4, 2026

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The 10-day weather forecast for Markham, Washington 98520 predicts a wet and unsettled pattern, with rain showers, cloudy skies, and temperatures ranging from the mid-30s to low 50s Fahrenheit. Rainfall amounts are expected to be around a quarter to a half inch on several days.

Why it matters

The rainy and cool weather could impact outdoor activities, commutes, and other daily routines for residents of Markham and the surrounding area. The forecast highlights the variable spring weather patterns common in the Pacific Northwest.

The details

The forecast calls for rain and showers on most days, with the chance of precipitation ranging from 50% to 90%. Winds will be light to moderate, generally from the southwest. Temperatures will be on the cooler side, with highs in the 40s and 50s F and overnight lows in the 30s and 40s F. Periods of heavy rain, mist, and reduced visibility are also expected at times.

  • Rain is likely on March 4 with a 100% chance and up to a quarter inch of rainfall.
  • Showers and cloudy skies are expected on March 5 with a 70% chance of rain.
  • Wet weather is forecast to continue on March 6 with a 60% chance of rain.
  • More rain is likely on March 7 with a 60% chance and up to a quarter inch of rainfall.
  • Showers are expected to be widespread on March 8 with an 80% chance of rain and up to a half inch of rainfall.

The players

Markham, Washington

A town located in western Washington state, near the Puget Sound region.

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The takeaway

Residents of Markham should prepare for a wet and cool spring weather pattern over the next 10 days, with rain showers, cloudy skies, and temperatures below average for this time of year. Staying up-to-date on the latest forecasts and planning accordingly will be important.