10-Day Weather Forecast for Mercer Island, Washington - The Weather Channel | weather.com
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10 Day Weather-

As of 2:18 pm PDT

Today

Partly Cloudy Day Partly Cloudy
67°/46°
Rain drop 1%
Subtract

Day

67°
Partly Cloudy Day
Rain drop
1%
NNW 8 mph

Partly cloudy. High 67F. Winds NNW at 5 to 10 mph.

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  • Humidity
    Humidity47%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:39 am
  • Sunset
    Sunset7:44 pm

Night

46°
Partly Cloudy Night
Rain drop
7%
NE 5 mph

Partly cloudy skies. Low 46F. Winds light and variable.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset7:43 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Partly Cloudy Day Partly Cloudy
70°/44°
Rain drop 8%
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Day

70°
Partly Cloudy Day
Rain drop
8%
SSW 7 mph

Partly cloudy. High around 70F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:37 am
  • Sunset
    Sunset7:46 pm

Night

44°
Cloudy
Rain drop
19%
NE 7 mph

Cloudy skies. Low 44F. Winds NE at 5 to 10 mph.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:24 am
  • Moonset
    Moonset8:15 am
  • Moon Phase - Day 19 Waning Gibbous

Tue 07

Mostly Clear Day Mostly Sunny
57°/39°
Rain drop 3%
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Day

57°
Mostly Clear Day
Rain drop
3%
ENE 5 mph

A few passing clouds, otherwise generally sunny. High 57F. Winds light and variable.

  • Humidity
    Humidity55%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:35 am
  • Sunset
    Sunset7:47 pm

Night

39°
Mostly Clear Night
Mixed precipitation
5%
NE 5 mph

Mostly clear skies. Low 39F. Winds light and variable.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:27 am
  • Moonset
    Moonset8:56 am
  • Moon Phase - Day 20 Waning Gibbous

Wed 08

Sunny Sunny
61°/41°
Rain drop 5%
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Day

61°
Sunny
Rain drop
5%
N 9 mph

Sunny skies. High 61F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:33 am
  • Sunset
    Sunset7:49 pm

Night

41°
Clear Night
Rain drop
7%
NNE 7 mph

Clear. Low 41F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:22 am
  • Moonset
    Moonset9:47 am
  • Moon Phase - Day 21 Waning Gibbous

Thu 09

Sunny Sunny
65°/43°
Rain drop 6%
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Day

65°
Sunny
Rain drop
6%
N 7 mph

Sunny skies. High around 65F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:31 am
  • Sunset
    Sunset7:50 pm

Night

43°
Mostly Clear Night
Rain drop
7%
NNE 6 mph

Mostly clear. Low 43F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:07 am
  • Moonset
    Moonset10:49 am
  • Moon Phase - Day 22 Last Quarter

Fri 10

Partly Cloudy Day Partly Cloudy
67°/45°
Rain drop 6%
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Day

67°
Partly Cloudy Day
Rain drop
6%
NW 5 mph

Partly cloudy skies. High 67F. Winds light and variable.

  • Humidity
    Humidity60%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:29 am
  • Sunset
    Sunset7:51 pm

Night

45°
Partly Cloudy Night
Rain drop
24%
SSW 5 mph

Partly cloudy skies. Low near 45F. Winds light and variable.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:42 am
  • Moonset
    Moonset11:56 am
  • Moon Phase - Day 22 Last Quarter

Sat 11

Cloudy Cloudy
53°/44°
Rain drop 24%
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Day

53°
Cloudy
Rain drop
24%
SSW 7 mph

Cloudy. High 53F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity72%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:27 am
  • Sunset
    Sunset7:53 pm

Night

44°
Showers
Rain drop
36%
S 5 mph

Overcast with rain showers at times. Low 44F. Winds light and variable. Chance of rain 40%.

  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:09 am
  • Moonset
    Moonset1:08 pm
  • Moon Phase - Day 23 Waning Crescent

Sun 12

Scattered Showers Day PM Showers
54°/44°
Rain drop 41%
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Day

54°
Scattered Showers Day
Rain drop
41%
SSW 6 mph

Mostly cloudy in the morning then periods of showers later in the day. High 54F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity73%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:25 am
  • Sunset
    Sunset7:54 pm

Night

44°
Showers
Rain drop
44%
S 5 mph

Showers early becoming less numerous late. Low 44F. Winds light and variable. Chance of rain 40%.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:31 am
  • Moonset
    Moonset2:23 pm
  • Moon Phase - Day 24 Waning Crescent

Mon 13

Mostly Cloudy Day Mostly Cloudy
57°/44°
Rain drop 24%
Add

Day

57°
Mostly Cloudy Day
Rain drop
24%
SSW 6 mph

Mostly cloudy skies. High 57F. Winds light and variable.

  • Humidity
    Humidity71%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:23 am
  • Sunset
    Sunset7:56 pm

Night

44°
Scattered Showers Night
Rain drop
31%
SSE 5 mph

Partly cloudy skies early giving way to a few showers after midnight. Low 44F. Winds light and variable. Chance of rain 30%.

  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:50 am
  • Moonset
    Moonset3:37 pm
  • Moon Phase - Day 25 Waning Crescent

Tue 14

Mostly Cloudy Day Mostly Cloudy
58°/45°
Rain drop 24%
Add

Day

58°
Mostly Cloudy Day
Rain drop
24%
SSW 7 mph

Mainly cloudy. High 58F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:21 am
  • Sunset
    Sunset7:57 pm

Night

45°
Showers
Rain drop
55%
S 6 mph

Cloudy with occasional rain showers. Low near 45F. Winds light and variable. Chance of rain 60%.

  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:06 am
  • Moonset
    Moonset4:54 pm
  • Moon Phase - Day 26 Waning Crescent

Wed 15

Mostly Cloudy Day Mostly Cloudy
61°/46°
Rain drop 24%
Add

Day

61°
Mostly Cloudy Day
Rain drop
24%
SSW 7 mph

Mostly cloudy. High 61F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:20 am
  • Sunset
    Sunset7:59 pm

Night

46°
Scattered Showers Night
Rain drop
30%
SE 6 mph

Mostly cloudy skies with a few showers late. Low 46F. Winds SE at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:23 am
  • Moonset
    Moonset6:13 pm
  • Moon Phase - Day 27 Waning Crescent

Thu 16

Showers Showers
59°/46°
Rain drop 37%
Add

Day

59°
Showers
Rain drop
37%
SW 7 mph

Overcast with showers at times. High 59F. Winds SW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity72%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:18 am
  • Sunset
    Sunset8:00 pm

Night

46°
Showers
Rain drop
39%
S 6 mph

Cloudy with occasional rain showers. Low 46F. Winds light and variable. Chance of rain 40%.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:40 am
  • Moonset
    Moonset7:35 pm
  • Moon Phase - Day 29 New Moon

Fri 17

Scattered Showers Day AM Showers
60°/46°
Rain drop 35%
Add

Day

60°
Scattered Showers Day
Rain drop
35%
SSW 7 mph

A few showers in the morning, then clouds lingering in the afternoon. High near 60F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity71%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:16 am
  • Sunset
    Sunset8:01 pm

Night

46°
Showers
Rain drop
58%
S 6 mph

Considerable cloudiness with occasional rain showers. Low 46F. Winds S at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:00 am
  • Moonset
    Moonset9:02 pm
  • Moon Phase - Day 0 New Moon

Sat 18

Showers Showers
59°/46°
Rain drop 52%
Add

Day

59°
Showers
Rain drop
52%
SSW 7 mph

Overcast with rain showers at times. High 59F. Winds SSW at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity73%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:14 am
  • Sunset
    Sunset8:03 pm

Night

46°
Showers
Rain drop
55%
S 6 mph

Overcast with rain showers at times. Low 46F. Winds S at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:25 am
  • Moonset
    Moonset10:30 pm
  • Moon Phase - Day 1 Waxing Crescent

Sun 19

Scattered Showers Day AM Showers
58°/46°
Rain drop 51%
Add

Day

58°
Scattered Showers Day
Rain drop
51%
SSW 7 mph

Rain showers early with overcast skies later in the day. High 58F. Winds SSW at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity71%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:12 am
  • Sunset
    Sunset8:04 pm

Night

46°
Showers
Rain drop
41%
S 6 mph

Overcast with showers at times. Low 46F. Winds S at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:58 am
  • Moonset
    Moonset11:55 pm
  • Moon Phase - Day 2 Waxing Crescent
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