Extended 10-day forecasts, Mercer Island (WA)
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Mercer Island, the United States of America. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our October climate page to see if the current temperatures in Mercer Island is typical for this time of year.
Today · Tuesday 13 Oct
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 08:00 |
Cloudy
|
9°C (48°F) | 0 mm (0 in) | 86% | SE 2 m/s (4 knots) |
| 09:00 |
Cloudy
|
10°C (50°F) | 0 mm (0 in) | 79% | SE 2 m/s (4 knots) |
| 10:00 |
Cloudy
|
11°C (52°F) | 0 mm (0 in) | 64% | S 2 m/s (4 knots) |
| 11:00 |
Cloudy
|
12°C (54°F) | 0 mm (0 in) | 59% | S 2 m/s (4 knots) |
| 12:00 |
Partly cloudy
|
14°C (57°F) | 0 mm (0 in) | 54% | SE 2 m/s (4 knots) |
| 13:00 |
Cloudy
|
15°C (59°F) | 0 mm (0 in) | 49% | S 2 m/s (4 knots) |
| 14:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 46% | S 2 m/s (4 knots) |
| 15:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 45% | S 2 m/s (4 knots) |
| 16:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 44% | S 3 m/s (6 knots) |
| 17:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 50% | S 2 m/s (4 knots) |
| 18:00 |
Cloudy
|
15°C (59°F) | 0 mm (0 in) | 58% | S 2 m/s (4 knots) |
| 19:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 62% | S 2 m/s (4 knots) |
| 20:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 63% | S 2 m/s (4 knots) |
| 21:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 65% | S 3 m/s (6 knots) |
| 22:00 |
Cloudy
|
13°C (55°F) | 0 mm (0 in) | 65% | SE 3 m/s (6 knots) |
| 23:00 |
Partly cloudy
|
13°C (55°F) | 0 mm (0 in) | 67% | SE 3 m/s (6 knots) |
08:00
Cloudy
86% · SE 2 m/s (4 knots)
9°C (48°F)
0 mm (0 in)
09:00
Cloudy
79% · SE 2 m/s (4 knots)
10°C (50°F)
0 mm (0 in)
10:00
Cloudy
64% · S 2 m/s (4 knots)
11°C (52°F)
0 mm (0 in)
11:00
Cloudy
59% · S 2 m/s (4 knots)
12°C (54°F)
0 mm (0 in)
12:00
Partly cloudy
54% · SE 2 m/s (4 knots)
14°C (57°F)
0 mm (0 in)
13:00
Cloudy
49% · S 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
14:00
Cloudy
46% · S 2 m/s (4 knots)
16°C (61°F)
0 mm (0 in)
15:00
Cloudy
45% · S 2 m/s (4 knots)
16°C (61°F)
0 mm (0 in)
16:00
Partly cloudy
44% · S 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
17:00
Cloudy
50% · S 2 m/s (4 knots)
16°C (61°F)
0 mm (0 in)
18:00
Cloudy
58% · S 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
19:00
Cloudy
62% · S 2 m/s (4 knots)
14°C (57°F)
0 mm (0 in)
20:00
Cloudy
63% · S 2 m/s (4 knots)
14°C (57°F)
0 mm (0 in)
21:00
Cloudy
65% · S 3 m/s (6 knots)
14°C (57°F)
0 mm (0 in)
22:00
Cloudy
65% · SE 3 m/s (6 knots)
13°C (55°F)
0 mm (0 in)
23:00
Partly cloudy
67% · SE 3 m/s (6 knots)
13°C (55°F)
0 mm (0 in)
Tomorrow · Wednesday 14 Oct
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Partly cloudy
|
13°C (55°F) | 0 mm (0 in) | 67% | S 3 m/s (6 knots) |
| 01:00 |
Cloudy
|
12°C (54°F) | 0 mm (0 in) | 68% | S 4 m/s (8 knots) |
| 02:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 67% | S 4 m/s (8 knots) |
| 03:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 67% | S 4 m/s (8 knots) |
| 04:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 67% | SE 4 m/s (8 knots) |
| 05:00 |
Cloudy
|
12°C (54°F) | 0 mm (0 in) | 69% | SE 3 m/s (6 knots) |
| 06:00 |
Rain
|
12°C (54°F) | 0.5 mm (0.02 in) | 70% | SE 3 m/s (6 knots) |
| 07:00 |
Cloudy
|
12°C (54°F) | 0 mm (0 in) | 78% | SE 4 m/s (8 knots) |
| 08:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 76% | S 4 m/s (8 knots) |
| 09:00 |
Partly cloudy
|
13°C (55°F) | 0 mm (0 in) | 73% | SE 3 m/s (6 knots) |
| 10:00 |
Partly cloudy
|
14°C (57°F) | 0 mm (0 in) | 70% | SE 3 m/s (6 knots) |
| 11:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 65% | S 3 m/s (6 knots) |
| 12:00 |
Partly cloudy
|
17°C (63°F) | 0 mm (0 in) | 65% | S 2 m/s (4 knots) |
| 13:00 |
Partly cloudy
|
18°C (64°F) | 0 mm (0 in) | 64% | SW 2 m/s (4 knots) |
| 14:00 |
Partly cloudy
|
19°C (66°F) | 0 mm (0 in) | 62% | SW 2 m/s (4 knots) |
| 15:00 |
Mostly sunny
|
19°C (66°F) | 0 mm (0 in) | 61% | SW 1 m/s (2 knots) |
| 16:00 |
Mostly sunny
|
19°C (66°F) | 0 mm (0 in) | 62% | SW 1 m/s (2 knots) |
| 17:00 |
Clear skies
|
18°C (64°F) | 0 mm (0 in) | 63% | SW 1 m/s (2 knots) |
| 18:00 |
Clear skies
|
17°C (63°F) | 0 mm (0 in) | 75% | NW 2 m/s (4 knots) |
| 19:00 |
Clear skies
|
15°C (59°F) | 0 mm (0 in) | 80% | N 2 m/s (4 knots) |
| 20:00 |
Clear skies
|
14°C (57°F) | 0 mm (0 in) | 84% | NE 2 m/s (4 knots) |
| 21:00 |
Clear skies
|
13°C (55°F) | 0 mm (0 in) | 87% | NE 3 m/s (6 knots) |
| 22:00 |
Clear skies
|
12°C (54°F) | 0 mm (0 in) | 90% | NE 3 m/s (6 knots) |
| 23:00 |
Clear skies
|
12°C (54°F) | 0 mm (0 in) | 93% | NE 2 m/s (4 knots) |
00:00
Partly cloudy
67% · S 3 m/s (6 knots)
13°C (55°F)
0 mm (0 in)
01:00
Cloudy
68% · S 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
02:00
Partly cloudy
67% · S 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
03:00
Partly cloudy
67% · S 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
04:00
Partly cloudy
67% · SE 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
05:00
Cloudy
69% · SE 3 m/s (6 knots)
12°C (54°F)
0 mm (0 in)
06:00
Rain
70% · SE 3 m/s (6 knots)
12°C (54°F)
0.5 mm (0.02 in)
07:00
Cloudy
78% · SE 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
08:00
Partly cloudy
76% · S 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
09:00
Partly cloudy
73% · SE 3 m/s (6 knots)
13°C (55°F)
0 mm (0 in)
10:00
Partly cloudy
70% · SE 3 m/s (6 knots)
14°C (57°F)
0 mm (0 in)
11:00
Partly cloudy
65% · S 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
12:00
Partly cloudy
65% · S 2 m/s (4 knots)
17°C (63°F)
0 mm (0 in)
13:00
Partly cloudy
64% · SW 2 m/s (4 knots)
18°C (64°F)
0 mm (0 in)
14:00
Partly cloudy
62% · SW 2 m/s (4 knots)
19°C (66°F)
0 mm (0 in)
15:00
Mostly sunny
61% · SW 1 m/s (2 knots)
19°C (66°F)
0 mm (0 in)
16:00
Mostly sunny
62% · SW 1 m/s (2 knots)
19°C (66°F)
0 mm (0 in)
17:00
Clear skies
63% · SW 1 m/s (2 knots)
18°C (64°F)
0 mm (0 in)
18:00
Clear skies
75% · NW 2 m/s (4 knots)
17°C (63°F)
0 mm (0 in)
19:00
Clear skies
80% · N 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
20:00
Clear skies
84% · NE 2 m/s (4 knots)
14°C (57°F)
0 mm (0 in)
21:00
Clear skies
87% · NE 3 m/s (6 knots)
13°C (55°F)
0 mm (0 in)
22:00
Clear skies
90% · NE 3 m/s (6 knots)
12°C (54°F)
0 mm (0 in)
23:00
Clear skies
93% · NE 2 m/s (4 knots)
12°C (54°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
23:00
Morning
05:00
Afternoon
11:00
Evening
17:00
Thursday
15 Oct
12°C (54°F)
0 mm (0 in)
Fog
93% · NE 2 m/s (4 knots)
9°C (48°F)
0 mm (0 in)
Fog
97% · NE 2 m/s (4 knots)
13°C (55°F)
0 mm (0 in)
Clear skies
84% · N 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
Clear skies
68% · N 3 m/s (6 knots)
Thu
15 Oct
night
12°C (54°F)
0 mm (0 in)
Fog
93%
2 m/s (4 knots)
morning
9°C (48°F)
0 mm (0 in)
Fog
97%
2 m/s (4 knots)
afternoon
13°C (55°F)
0 mm (0 in)
Clear skies
84%
2 m/s (4 knots)
evening
20°C (68°F)
0 mm (0 in)
Clear skies
68%
3 m/s (6 knots)
Friday
16 Oct
12°C (54°F)
0 mm (0 in)
Clear skies
89% · N 3 m/s (6 knots)
12°C (54°F)
0 mm (0 in)
Clear skies
72% · NE 1 m/s (2 knots)
19°C (66°F)
0 mm (0 in)
Cloudy
57% · SW 1 m/s (2 knots)
22°C (72°F)
0 mm (0 in)
Cloudy
51% · SW 2 m/s (4 knots)
Fri
16 Oct
night
12°C (54°F)
0 mm (0 in)
Clear skies
89%
3 m/s (6 knots)
morning
12°C (54°F)
0 mm (0 in)
Clear skies
72%
1 m/s (2 knots)
afternoon
19°C (66°F)
0 mm (0 in)
Cloudy
57%
1 m/s (2 knots)
evening
22°C (72°F)
0 mm (0 in)
Cloudy
51%
2 m/s (4 knots)
Saturday
17 Oct
14°C (57°F)
0 mm (0 in)
Partly cloudy
86% · S 3 m/s (6 knots)
14°C (57°F)
2.6 mm (0.1 in)
Rain
91% · S 5 m/s (10 knots)
14°C (57°F)
0.1 mm (0 in)
Partly cloudy
76% · N 3 m/s (6 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
52% · N 3 m/s (6 knots)
Sat
17 Oct
night
14°C (57°F)
0 mm (0 in)
Partly cloudy
86%
3 m/s (6 knots)
morning
14°C (57°F)
2.6 mm (0.1 in)
Rain
91%
5 m/s (10 knots)
afternoon
14°C (57°F)
0.1 mm (0 in)
Partly cloudy
76%
3 m/s (6 knots)
evening
15°C (59°F)
0 mm (0 in)
Clear skies
52%
3 m/s (6 knots)
Sunday
18 Oct
10°C (50°F)
0 mm (0 in)
Clear skies
86% · NE 2 m/s (4 knots)
7°C (45°F)
0 mm (0 in)
Partly cloudy
98% · E 1 m/s (2 knots)
11°C (52°F)
0 mm (0 in)
Cloudy
84% · NW 1 m/s (2 knots)
14°C (57°F)
0.1 mm (0 in)
Mostly clear
62% · E 1 m/s (2 knots)
Sun
18 Oct
night
10°C (50°F)
0 mm (0 in)
Clear skies
86%
2 m/s (4 knots)
morning
7°C (45°F)
0 mm (0 in)
Partly cloudy
98%
1 m/s (2 knots)
afternoon
11°C (52°F)
0 mm (0 in)
Cloudy
84%
1 m/s (2 knots)
evening
14°C (57°F)
0.1 mm (0 in)
Mostly clear
62%
1 m/s (2 knots)
Monday
19 Oct
11°C (52°F)
0.7 mm (0.03 in)
Light rain
81% · S 2 m/s (4 knots)
10°C (50°F)
3 mm (0.1 in)
Rain
90% · E 2 m/s (4 knots)
11°C (52°F)
0.8 mm (0.03 in)
Light rain
90% · S 2 m/s (4 knots)
13°C (55°F)
0.3 mm (0.01 in)
Partly cloudy
75% · S 3 m/s (6 knots)
Mon
19 Oct
night
11°C (52°F)
0.7 mm (0.03 in)
Light rain
81%
2 m/s (4 knots)
morning
10°C (50°F)
3 mm (0.1 in)
Rain
90%
2 m/s (4 knots)
afternoon
11°C (52°F)
0.8 mm (0.03 in)
Light rain
90%
2 m/s (4 knots)
evening
13°C (55°F)
0.3 mm (0.01 in)
Partly cloudy
75%
3 m/s (6 knots)
Tuesday
20 Oct
9°C (48°F)
0.3 mm (0.01 in)
Mostly clear
91% · SE 1 m/s (2 knots)
8°C (46°F)
0 mm (0 in)
Partly cloudy
91% · SE 1 m/s (2 knots)
11°C (52°F)
0 mm (0 in)
Partly cloudy
84% · SW 1 m/s (2 knots)
13°C (55°F)
0 mm (0 in)
Clear skies
66% · NW 1 m/s (2 knots)
Tue
20 Oct
night
9°C (48°F)
0.3 mm (0.01 in)
Mostly clear
91%
1 m/s (2 knots)
morning
8°C (46°F)
0 mm (0 in)
Partly cloudy
91%
1 m/s (2 knots)
afternoon
11°C (52°F)
0 mm (0 in)
Partly cloudy
84%
1 m/s (2 knots)
evening
13°C (55°F)
0 mm (0 in)
Clear skies
66%
1 m/s (2 knots)
Wednesday
21 Oct
8°C (46°F)
0 mm (0 in)
Clear skies
94% · NE 1 m/s (2 knots)
7°C (45°F)
0 mm (0 in)
Cloudy
99% · E 1 m/s (2 knots)
10°C (50°F)
0 mm (0 in)
Partly cloudy
89% · E ()
13°C (55°F)
0 mm (0 in)
Mostly clear
72% · W ()
Wed
21 Oct
night
8°C (46°F)
0 mm (0 in)
Clear skies
94%
1 m/s (2 knots)
morning
7°C (45°F)
0 mm (0 in)
Cloudy
99%
1 m/s (2 knots)
afternoon
10°C (50°F)
0 mm (0 in)
Partly cloudy
89%
()
evening
13°C (55°F)
0 mm (0 in)
Mostly clear
72%
()
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Mercer Island weather by month
Browse monthly averages for Mercer Island: climate by month with temperature, rainfall and sunshine.
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