Weather forecast for the weekend
Saturday, May 17.
5:26 am
8:44 pm
PDT
8:44 pm
PDT
Rain
57°F / 48°F
- Wind: 6mph W
- Humidity: 79%
- Precip. probability: 69%
- Precipitation: 0.35"
- UV index: 3
On Saturday, in Mercer Island, periods of rain are likely, bringing damp conditions.
The chance of rain is high. However, precipitation will be light. A slight temperature fluctuation is forecasted, ranging from a high of a moderate 57.2°F to a low of a brisk 48.2°F.
Temperatures are lower than average, more in line with April's norm of 55.9°F than with May's 64.6°F.
Sunrise will be at 5:26 am and sunset at 8:44 pm; the daylight will last for 15h and 17min.
The chance of rain is high. However, precipitation will be light. A slight temperature fluctuation is forecasted, ranging from a high of a moderate 57.2°F to a low of a brisk 48.2°F.
Temperatures are lower than average, more in line with April's norm of 55.9°F than with May's 64.6°F.
Sunrise will be at 5:26 am and sunset at 8:44 pm; the daylight will last for 15h and 17min.
Sunday, May 18.
5:25 am
8:45 pm
PDT
8:45 pm
PDT
Mostly Cloudy
63°F / 48°F
- Wind: 6mph WSW
- Humidity: 69%
- Precip. probability: 24%
- Precipitation: 0"
- UV index: 6
On Sunday, in Mercer Island, mostly cloudy conditions are expected.
Rain is not forecasted. Temperatures are predicted to range from a maximum of a breezy 62.6°F to a minimum of a brisk 48.2°F.
Expect the maximum temperature to remain consistent with the typical May high of 64.6°F.
Sunrise will be at 5:25 am and sunset at 8:45 pm; the daylight will last for 15h and 20min.
Rain is not forecasted. Temperatures are predicted to range from a maximum of a breezy 62.6°F to a minimum of a brisk 48.2°F.
Expect the maximum temperature to remain consistent with the typical May high of 64.6°F.
Sunrise will be at 5:25 am and sunset at 8:45 pm; the daylight will last for 15h and 20min.
Frequently asked questions
What is the weather forecast for Mercer Island for Saturday?
On Saturday, persistent showers will keep conditions wet.
Will it rain on Saturday?
Light precipitation of 0.35" is expected on Saturday. The likelihood of rainfall is 69%.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 57.2°F, while the lowest temperature will be 48.2°F.
What is the weather forecast for Mercer Island for Sunday?
On Sunday, in Mercer Island, expect a cloud-dominated atmosphere throughout.
Will it rain on Sunday?
No, it will not rain on Sunday in Mercer Island.
What will be the maximum temperature on Sunday in Mercer Island?
On Sunday, the maximum temperature in Mercer Island will be 62.6°F, while the minimum temperature will be 48.2°F.
What is the weather forecast for Mercer Island for the next ten days?
In Mercer Island, a combination of showery and dull weather is predicted for the next ten days.
Will it rain in the next ten days?
Rain is predicted for Tuesday through Saturday and Monday in Mercer Island. Saturday, with light precipitation of 0.35", will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 55.4°F and 66.2°F, while the minimum temperature will be between 46.4°F and 50°F.
What will be the warmest and the coldest days?
The warmest days will be next Wednesday and Thursday, with a maximum of 66.2°F. The coldest day will be Thursday, with a maximum of 55.4°F.
Long-term weather forecast
TueMay 13.
- min.
- 50°F
Showers Late
- Wind: 9mph SSW
- Humidity: 74%
- UV index: 0
- Precip. probability: 45%
- Precipitation: 0.04"
- 5:31 am 8:39 pm PDT
WedMay 14.
- 61°F
- 48°F
AM Showers
- Wind: 9mph SW
- Humidity: 71%
- UV index: 3
- Precip. probability: 49%
- Precipitation: 0.04"
- 5:30 am 8:40 pm PDT
ThuMay 15.
- 55°F
- 48°F
PM Showers
- Wind: 8mph SSW
- Humidity: 67%
- UV index: 3
- Precip. probability: 47%
- Precipitation: 0.12"
- 5:28 am 8:41 pm PDT
FriMay 16.
- 61°F
- 50°F
AM Showers
- Wind: 7mph SSW
- Humidity: 75%
- UV index: 4
- Precip. probability: 36%
- Precipitation: 0.16"
- 5:27 am 8:42 pm PDT
SatMay 17.
- 57°F
- 48°F
Rain
- Wind: 6mph W
- Humidity: 79%
- UV index: 3
- Precip. probability: 69%
- Precipitation: 0.35"
- 5:26 am 8:44 pm PDT
SunMay 18.
- 63°F
- 48°F
Mostly Cloudy
- Wind: 6mph WSW
- Humidity: 69%
- UV index: 6
- Precip. probability: 24%
- Precipitation: 0"
- 5:25 am 8:45 pm PDT
MonMay 19.
- 61°F
- 48°F
Cloudy
- Wind: 9mph SSW
- Humidity: 65%
- UV index: 3
- Precip. probability: 24%
- Precipitation: 0.08"
- 5:24 am 8:46 pm PDT
TueMay 20.
- 63°F
- 46°F
Mostly Cloudy
- Wind: 8mph SW
- Humidity: 64%
- UV index: 5
- Precip. probability: 24%
- Precipitation: 0"
- 5:23 am 8:47 pm PDT
WedMay 21.
- 66°F
- 48°F
Mostly Cloudy
- Wind: 6mph WNW
- Humidity: 60%
- UV index: 5
- Precip. probability: 20%
- Precipitation: 0"
- 5:22 am 8:49 pm PDT
ThuMay 22.
- 66°F
- 48°F
Partly Cloudy
- Wind: 7mph WSW
- Humidity: 60%
- UV index: 6
- Precip. probability: 24%
- Precipitation: 0"
- 5:21 am 8:50 pm PDT
In the days ahead, a combination of damp and gloomy weather is expected.
Rain is forecasted for Tuesday through Saturday and Monday.
In the upcoming period, the highest temperature will vary between 55.4°F and 66.2°F, while the overnight low will be nearly unchanged, as the lowest temperatures will remain in the range of 46.4°F to 50°F.
With a maximum temperature of 66.2°F, next Wednesday and Thursday will be the warmest days; expect the coldest day on Thursday with a high of 55.4°F.
Rain is forecasted for Tuesday through Saturday and Monday.
In the upcoming period, the highest temperature will vary between 55.4°F and 66.2°F, while the overnight low will be nearly unchanged, as the lowest temperatures will remain in the range of 46.4°F to 50°F.
With a maximum temperature of 66.2°F, next Wednesday and Thursday will be the warmest days; expect the coldest day on Thursday with a high of 55.4°F.
Updated: May 14, 2025 @ 01:00:01 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
