Weather in Mercer Island Washington, United States. 15 days forecast
Current weather conditions
Sky / Temperature 61°F | Wind 12 > 23 mi/h | Atmospheric pressure1018 hPa | Humidity31% | Wind chill55°F | Dewpoint30°F |
Updated: 4/16/2025 at 21:53 (Local time)
Weather Station: Seattle, Seattle Boeing Field
°F°C
mi/hkm/h
Weather forecast 15 days
15-day weather forecast with temperatures, sky state, wind speed and direction, cloud percentage, probability of precipitation, accumulated precipitation, humidity, atmospheric pressure, sunrise and sunset times, moonrise and moonset times, and daily moon phase. Weather forecast for Mercer Island.
Today, april 16
62°F46°F
6:2219:57
----07:31
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 19:00 | 59°F | 8 mi/h | 1018 hPa | 46% | 7% | 0% | 0 mm |
| 20:00 | 57°F |  6 mi/h | 1018 hPa | 49% | 6% | 0% | 0 mm |
| 21:00 | 54°F |  4 mi/h | 1019 hPa | 54% | 2% | 0% | 0 mm |
| 22:00 | 52°F | 4 mi/h | 1019 hPa | 58% | 3% | 0% | 0 mm |
| 23:00 | 50°F | 4 mi/h | 1020 hPa | 60% | 1% | 0% | 0 mm |
Tomorrow, april 17
65°F43°F
6:2019:58
00:3608:08
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F | 4 mi/h | 1020 hPa | 63% | 2% | 0% | 0 mm |
| 03:00 | 45°F | 2 mi/h | 1021 hPa | 72% | 4% | 0% | 0 mm |
| 06:00 | 43°F | 3 mi/h | 1021 hPa | 74% | 2% | 0% | 0 mm |
| 09:00 | 50°F | 2 mi/h | 1021 hPa | 64% | 3% | 0% | 0 mm |
| 12:00 | 61°F | 4 mi/h | 1021 hPa | 41% | 1% | 0% | 0 mm |
| 15:00 | 64°F | 7 mi/h | 1020 hPa | 34% | 1% | 0% | 0 mm |
| 18:00 | 63°F | 7 mi/h | 1020 hPa | 35% | 2% | 0% | 0 mm |
| 21:00 | 55°F | 5 mi/h | 1020 hPa | 49% | 3% | 0% | 0 mm |
Friday, april 18
70°F44°F
6:1920:00
01:3708:57
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 50°F | 2 mi/h | 1020 hPa | 59% | 2% | 0% | 0 mm |
| 03:00 | 46°F |  1 mi/h | 1020 hPa | 67% | 2% | 0% | 0 mm |
| 06:00 | 46°F |  1 mi/h | 1021 hPa | 69% | 4% | 0% | 0 mm |
| 09:00 | 52°F |  1 mi/h | 1021 hPa | 61% | 7% | 0% | 0 mm |
| 12:00 | 63°F | 2 mi/h | 1020 hPa | 44% | 7% | 0% | 0 mm |
| 15:00 | 70°F | 3 mi/h | 1019 hPa | 35% | 10% | 0% | 0 mm |
| 18:00 | 68°F |  3 mi/h | 1017 hPa | 39% | 17% | 0% | 0 mm |
| 21:00 | 59°F | 2 mi/h | 1017 hPa | 55% | 30% | 0% | 0 mm |
Saturday, april 19
57°F49°F
6:1720:01
02:2709:58
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 54°F | 2 mi/h | 1018 hPa | 68% | 44% | 0% | 0 mm |
| 03:00 | 52°F | 2 mi/h | 1019 hPa | 75% | 63% | 10% | 0.1 mm |
| 06:00 | 50°F | 2 mi/h | 1019 hPa | 80% | 75% | 4% | 0 mm |
| 09:00 | 52°F | 3 mi/h | 1020 hPa | 78% | 75% | 4% | 0 mm |
| 12:00 | 54°F | 4 mi/h | 1021 hPa | 74% | 73% | 4% | 0 mm |
| 15:00 | 55°F | 4 mi/h | 1021 hPa | 67% | 70% | 4% | 0 mm |
| 18:00 | 55°F | 5 mi/h | 1021 hPa | 64% | 68% | 21% | 0 mm |
| 21:00 | 52°F | 4 mi/h | 1023 hPa | 70% | 69% | 21% | 0 mm |
Sunday, april 20
55°F46°F
6:1520:03
03:0711:09
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 50°F |  4 mi/h | 1024 hPa | 75% | 70% | 21% | 0 mm |
| 03:00 | 48°F | 4 mi/h | 1024 hPa | 79% | 74% | 21% | 0 mm |
| 06:00 | 46°F | 4 mi/h | 1024 hPa | 80% | 75% | 17% | 0 mm |
| 09:00 | 50°F | 4 mi/h | 1024 hPa | 76% | 70% | 17% | 0 mm |
| 12:00 | 52°F | 4 mi/h | 1023 hPa | 72% | 66% | 17% | 0 mm |
| 15:00 | 54°F | 4 mi/h | 1021 hPa | 69% | 67% | 17% | 0 mm |
| 18:00 | 54°F | 4 mi/h | 1020 hPa | 69% | 68% | 34% | 0 mm |
| 21:00 | 50°F | 3 mi/h | 1020 hPa | 77% | 69% | 34% | 0 mm |
Monday, april 21
57°F44°F
6:1320:04
03:3812:25
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F | 2 mi/h | 1021 hPa | 83% | 69% | 34% | 0 mm |
| 03:00 | 46°F | 2 mi/h | 1021 hPa | 86% | 65% | 34% | 0 mm |
| 06:00 | 46°F | 2 mi/h | 1023 hPa | 86% | 61% | 28% | 0 mm |
| 09:00 | 48°F | 2 mi/h | 1026 hPa | 80% | 58% | 28% | 0 mm |
| 12:00 | 52°F | 3 mi/h | 1025 hPa | 73% | 52% | 28% | 0 mm |
| 15:00 | 55°F | 3 mi/h | 1024 hPa | 61% | 40% | 0% | 0 mm |
| 18:00 | 55°F | 3 mi/h | 1023 hPa | 57% | 31% | 0% | 0 mm |
| 21:00 | 52°F | 2 mi/h | 1023 hPa | 68% | 30% | 0% | 0 mm |
Tuesday, april 22
61°F42°F
6:1120:05
04:0213:45
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F | 2 mi/h | 1023 hPa | 78% | 28% | 0% | 0 mm |
| 03:00 | 45°F | 2 mi/h | 1023 hPa | 84% | 29% | 0% | 0 mm |
| 06:00 | 45°F | 2 mi/h | 1023 hPa | 84% | 28% | 0% | 0 mm |
| 09:00 | 50°F | 2 mi/h | 1022 hPa | 73% | 24% | 0% | 0 mm |
| 12:00 | 55°F | 4 mi/h | 1021 hPa | 62% | 20% | 0% | 0 mm |
| 15:00 | 59°F | 4 mi/h | 1020 hPa | 53% | 16% | 0% | 0 mm |
| 18:00 | 57°F | 5 mi/h | 1019 hPa | 51% | 21% | 0% | 0 mm |
| 21:00 | 54°F | 3 mi/h | 1019 hPa | 64% | 18% | 0% | 0 mm |
Wednesday, april 23
63°F43°F
6:0920:07
04:2215:06
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F | 2 mi/h | 1019 hPa | 76% | 13% | 0% | 0 mm |
| 03:00 | 45°F | 1 mi/h | 1019 hPa | 84% | 17% | 0% | 0 mm |
| 06:00 | 45°F | 1 mi/h | 1018 hPa | 85% | 24% | 0% | 0 mm |
| 09:00 | 50°F | 2 mi/h | 1017 hPa | 75% | 27% | 0% | 0 mm |
| 12:00 | 57°F | 4 mi/h | 1015 hPa | 59% | 25% | 0% | 0 mm |
| 15:00 | 63°F | 5 mi/h | 1013 hPa | 49% | 23% | 0% | 0 mm |
| 18:00 | 61°F | 5 mi/h | 1011 hPa | 49% | 27% | 0% | 0 mm |
| 21:00 | 55°F | 4 mi/h | 1011 hPa | 62% | 29% | 0% | 0 mm |
Thursday, april 24
59°F45°F
6:0720:08
04:4016:28
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 50°F | 2 mi/h | 1011 hPa | 74% | 31% | 0% | 0 mm |
| 03:00 | 46°F | 1 mi/h | 1012 hPa | 81% | 39% | 0% | 0 mm |
| 06:00 | 46°F | 2 mi/h | 1014 hPa | 82% | 45% | 0% | 0 mm |
| 09:00 | 52°F | 3 mi/h | 1015 hPa | 75% | 49% | 0% | 0 mm |
| 12:00 | 55°F | 2 mi/h | 1015 hPa | 69% | 51% | 0% | 0 mm |
| 15:00 | 57°F | 2 mi/h | 1015 hPa | 61% | 49% | 0% | 0 mm |
| 18:00 | 57°F | 4 mi/h | 1015 hPa | 60% | 47% | 0% | 0 mm |
| 21:00 | 54°F | 1 mi/h | 1016 hPa | 70% | 48% | 0% | 0 mm |
Friday, april 25
60°F45°F
6:0620:10
04:5717:53
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 50°F | 3 mi/h | 1017 hPa | 79% | 49% | 0% | 0 mm |
| 03:00 | 46°F | 3 mi/h | 1018 hPa | 84% | 50% | 0% | 0 mm |
| 06:00 | 46°F | 2 mi/h | 1020 hPa | 84% | 51% | 0% | 0 mm |
| 09:00 | 52°F | 3 mi/h | 1021 hPa | 76% | 53% | 0% | 0 mm |
| 12:00 | 55°F | 4 mi/h | 1021 hPa | 68% | 54% | 0% | 0 mm |
| 15:00 | 57°F | 5 mi/h | 1021 hPa | 60% | 51% | 0% | 0 mm |
| 18:00 | 59°F | 4 mi/h | 1021 hPa | 59% | 50% | 0% | 0 mm |
| 21:00 | 54°F | 2 mi/h | 1022 hPa | 71% | 49% | 0% | 0 mm |
Saturday, april 26
61°F46°F
6:0420:11
05:1519:20
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 50°F | 3 mi/h | 1022 hPa | 81% | 48% | 0% | 0 mm |
| 03:00 | 48°F | 2 mi/h | 1022 hPa | 86% | 47% | 0% | 0 mm |
| 06:00 | 48°F | 2 mi/h | 1022 hPa | 87% | 47% | 0% | 0 mm |
| 09:00 | 52°F | 3 mi/h | 1022 hPa | 78% | 50% | 0% | 0 mm |
| 12:00 | 55°F | 4 mi/h | 1022 hPa | 70% | 51% | 0% | 0 mm |
| 15:00 | 59°F | 4 mi/h | 1021 hPa | 61% | 49% | 0% | 0 mm |
| 18:00 | 59°F | 4 mi/h | 1021 hPa | 58% | 46% | 0% | 0 mm |
| 21:00 | 55°F | 1 mi/h | 1021 hPa | 69% | 44% | 0% | 0 mm |
Sunday, april 27
62°F40°F
6:0220:12
05:3620:50
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F | 2 mi/h | 1022 hPa | 83% | 58% | 0% | 0 mm |
| 03:00 | 39°F | 2 mi/h | 1023 hPa | 94% | 94% | 0% | 0 mm |
| 06:00 | 41°F | 2 mi/h | 1023 hPa | 92% | 100% | 0% | 0 mm |
| 09:00 | 46°F | 1 mi/h | 1023 hPa | 77% | 100% | 0% | 0 mm |
| 12:00 | 57°F | 0 mi/h | 1022 hPa | 52% | 100% | 0% | 0 mm |
| 15:00 | 61°F | 1 mi/h | 1021 hPa | 39% | 100% | 0% | 0 mm |
| 18:00 | 59°F | 2 mi/h | 1021 hPa | 46% | 100% | 0% | 0 mm |
| 21:00 | 54°F | 2 mi/h | 1021 hPa | 57% | 100% | 0% | 0 mm |
Monday, april 28
69°F51°F
6:0020:14
06:0222:21
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 52°F | 3 mi/h | 1021 hPa | 66% | 100% | 0% | 0 mm |
| 03:00 | 52°F | 2 mi/h | 1021 hPa | 71% | 100% | 0% | 0 mm |
| 06:00 | 52°F | 1 mi/h | 1020 hPa | 69% | 100% | 0% | 0 mm |
| 09:00 | 54°F | 1 mi/h | 1020 hPa | 65% | 100% | 0% | 0 mm |
| 12:00 | 59°F | 3 mi/h | 1019 hPa | 55% | 100% | 0% | 0 mm |
| 15:00 | 66°F | 4 mi/h | 1017 hPa | 44% | 100% | 0% | 0 mm |
| 18:00 | 66°F | 4 mi/h | 1016 hPa | 52% | 100% | 0% | 0 mm |
| 21:00 | 57°F | 1 mi/h | 1017 hPa | 72% | 98% | 17% | 0.2 mm |
Tuesday, april 29
61°F51°F
5:5920:15
06:3723:46
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 54°F | 4 mi/h | 1018 hPa | 82% | 94% | 0% | 0 mm |
| 03:00 | 54°F | 7 mi/h | 1019 hPa | 85% | 96% | 17% | 0.6 mm |
| 06:00 | 54°F | 6 mi/h | 1019 hPa | 89% | 99% | 17% | 0.4 mm |
| 09:00 | 54°F | 6 mi/h | 1019 hPa | 93% | 97% | 17% | 0.2 mm |
| 12:00 | 57°F | 9 mi/h | 1019 hPa | 84% | 79% | 17% | 0.5 mm |
| 15:00 | 61°F | 11 mi/h | 1019 hPa | 72% | 69% | 17% | 0.4 mm |
| 18:00 | 59°F | 10 mi/h | 1019 hPa | 74% | 88% | 17% | 0 mm |
| 21:00 | 54°F | 9 mi/h | 1019 hPa | 86% | 86% | 0% | 0 mm |
Wednesday, april 30
54°F50°F
5:5720:17
07:25----
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 52°F | 9 mi/h | 1020 hPa | 89% | 88% | 17% | 0.1 mm |
| 03:00 | 50°F | 9 mi/h | 1020 hPa | 91% | 100% | 17% | 0.4 mm |
| 06:00 | 50°F | 9 mi/h | 1020 hPa | 93% | 100% | 17% | 0.2 mm |
| 09:00 | 52°F | 6 mi/h | 1021 hPa | 92% | 100% | 17% | 0.2 mm |
| 12:00 | 54°F | 3 mi/h | 1021 hPa | 87% | 100% | 17% | 0.1 mm |
| 15:00 | 54°F | 1 mi/h | 1022 hPa | 88% | 99% | 17% | 0.1 mm |
| 18:00 | 54°F | 2 mi/h | 1021 hPa | 89% | 97% | 17% | 0 mm |
| 21:00 | 52°F | 2 mi/h | 1021 hPa | 93% | 99% | 0% | 0 mm |
