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Light woollens will do but throw in a jacket or two as it can get pretty chilly.
Today
moderate rain
20°
16°
67%
Light woollen
  • 20 Aug
    21° 14°
    78%
    sky is clear
  • 21 Aug
    22° 15°
    62%
    scattered clouds
  • 22 Aug
    23° 12°
    0%
    sky is clear
  • 23 Aug
    25° 14°
    0%
    sky is clear
  • 24 Aug
    24° 14°
    0%
    light rain
  • 25 Aug
    21° 14°
    0%
    light rain
WHEN TO
VISIT
  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
 
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Weather in Mercer island

- Knowing about the weather, temperature, climate, rainfall, snowfall, humidity of any place is important since one needs to plan according to how hot or how cold the seasonal temperature is. The temperature in Mercer island today is 20 °C, while humidity is 67 %. Today would be a good day for wearing cotton if you are already there. If you were looking for weather in Mercer island during August, be prepared for maximum and minimum temperatures ranging from 16 to 20 °C and humidity levels of around 67 %. While the Mercer island weather in September will have temperatures ranging from 0 to 33 °C. The best months for visiting Mercer island are . For more information about your travel to Mercer island, do check out the Mercer island tourism | hotels in Mercer island | places near Mercer island