Mercer Island (98040) Daily Weather Forecast

Mercer Island weather forecast for now and the week ahead — Becoming noticeably warmer Tuesday

Mostly sunny

  • Sunrise 5:16 am | Sunset 8:57 pm
  • High: 69° | Low 48°
  • Chance of precipitation: 1%

  • Wind: 8 mph from the N

Mercer Island weather for the next 5 days:

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Mercer Island, WA weather at a glance

Q: What is the weather in Mercer Island?

A: Daily conditions in Mercer Island WA: Becoming noticeably warmer Tuesday.

Q: What is the temperature in Mercer Island?

A: The temperature in Mercer Island WA is High: 69° | Low 48°

Q: What time is sunset in Mercer Island?

A: The sun will set in Mercer Island WA at 3:57 AM.

Q: What is the weather tomorrow in Mercer Island?

A: The weather tomorrow in Mercer Island WA: Mostly sunny and pleasant