The weather in Mercer Island for the next 14 days
This week, temperatures in Mercer Island will vary, averaging around 20°C. You can expect both mild and cooler days, with lows of 16°C and highs of 23°C over the next few days. There will be very little precipitation this week, with just a small amount on one or two days.
Next week brings variable temperatures, averaging around 19°C. The cooler days will drop to 13°C, while the warmer days will peak at 23°C. There’s a chance of some rain in Mercer Island, with a total precipitation of around 20 mm.
Check out the current weather in Mercer Island
Temperature in Mercer Island for the next 14 days
This chart shows the temperature in Mercer Island for the next 14 days, displayed in degrees Celsius.
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Precipitation in Mercer Island for the next 14 days
This chart shows the precipitation in Mercer Island for the next 14 days, measured in millimetres.
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2 3 3Average Weather in Mercer Island by Month
Click on a month below to see detailed weather info for Mercer Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Mercer Island for all months at once
