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The weather in Mercer Island for the next 30 days

This chart shows the temperature in Mercer Island for the next 30 days, displayed in degrees Celsius. The long-term weather forecast is based on the 14-day weather prediction and the average historical weather data for Mercer Island from the past 10 years. We take the changing climate into account, so you know what you can typically expect during this period.

Daily temperature for the next 30 days in Mercer Island

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Check out the current weather in Mercer Island Arrow

Precipitation in Mercer Island for the next 30 days

This chart shows the precipitation in Mercer Island for the next 30 days, measured in millimetres. We base this on the current 14-day weather forecast, followed by the average daily precipitation over the past 10 years.

Daily precipitation for the next 30 days in Mercer Island

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weather
max/min
precip
wind
uv
Saturday 7 Jun
clear-day
27° 14°
0,0 mm
N 3
9
Sunday 8 Jun
clear-day
31° 15°
0,0 mm
N 2
9
Monday 9 Jun
clear-day
30° 18°
0,3 mm
N 2
9
Tuesday 10 Jun
partly-cloudy-day
28° 15°
0,0 mm
W 2
9
Wednesday 11 Jun
showers-day
23° 13°
1,8 mm
ZW 2
8
Thursday 12 Jun
showers-day
21° 11°
2,2 mm
ZW 2
2
Friday 13 Jun
partly-cloudy-day
20° 11°
0,0 mm
ZW 2
9
Saturday 14 Jun
showers-day
22° 11°
1,2 mm
W 3
9
Sunday 15 Jun
showers-day
22°
0,3 mm
Z 2
9
Monday 16 Jun
rain
16°
0,3 mm
Z 3
2
Tuesday 17 Jun
showers-day
20°
0,7 mm
NW 2
7
Wednesday 18 Jun
partly-cloudy-day
24°
0,1 mm
N 3
9
Thursday 19 Jun
partly-cloudy-day
24°
0,0 mm
N 3
7
Friday 20 Jun
showers-day
19°
1,4 mm
Z 3
5
Saturday 21 Jun
partly-cloudy-day
24°
0,0 mm
N 3
9
Sunday 22 Jun
partly-cloudy-day
23° 14°
0,0 mm
W 3
8
Monday 23 Jun
showers-day
24° 14°
0,8 mm
W 3
8
Tuesday 24 Jun
showers-day
25° 14°
0,7 mm
W 3
8
Wednesday 25 Jun
showers-day
27° 15°
0,3 mm
NW 3
9
Thursday 26 Jun
partly-cloudy-day
27° 16°
0,0 mm
W 3
9
Friday 27 Jun
showers-day
26° 16°
0,4 mm
ZW 3
8
Saturday 28 Jun
showers-day
25° 16°
1,2 mm
ZW 3
7
Sunday 29 Jun
partly-cloudy-day
25° 15°
0,0 mm
ZW 3
9
Monday 30 Jun
partly-cloudy-day
25° 15°
0,1 mm
W 3
8
Tuesday 1 Jul
partly-cloudy-day
26° 15°
0,0 mm
W 3
6
Wednesday 2 Jul
showers-day
24° 16°
0,4 mm
ZW 3
6
Thursday 3 Jul
partly-cloudy-day
23° 15°
0,2 mm
W 3
6
Friday 4 Jul
partly-cloudy-day
25° 15°
0,0 mm
W 3
7
Saturday 5 Jul
partly-cloudy-day
26° 15°
0,0 mm
W 3
7
Sunday 6 Jul
showers-day
26° 16°
0,2 mm
ZW 3
7

Average 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

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