Weather forecast for todayMercer Island, WA

Weather forecast for today

Current condition 1:09 pm PST

  • 59°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 11mphS 180°
  • Humidity: 58%
  • Dewpoint: 45°F
  • Pressure: 30.14"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
At the moment, there are some clouds in the sky, but sunshine is still visible.
The temperature is a moderate 59°F, while the felt air temperature is a similar 57.2°F. The current temperature is nearly at the maximum of today's expected 60.8°F.

Sunday Nov 8, 2026

  • 61°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 8mphSSW 200°
  • Humidity: 67%
  • UV index: 1
  • Sunrise: 7:03 am PST
  • Sunset: 4:41 pm PST
  • ▼
Today, in Mercer Island, expect a mix of sun and clouds throughout the day.
The temperature is anticipated to vary between a maximum of an enjoyable 60.8°F and a minimum of a frosty 44.6°F.
Today, weather will feel warmer as the high trends toward October's average of 58.6°F.
Sunrise was at 7:03 am and sunset will be at 4:41 pm; the daylight will last for 9h and 37min.

Hourly overview

Hourly temperatures

Warmest hour: 2 pm 59°C.
Minimum temperature: 48°C.

Chance of precipitation

Highest chance: 11 pm 6%.

Hourly weather forecast

  • 2 pm
  • 59°F
  • Feels like:
    57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphSSW 205°
  • Humidity: 59%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 3 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSW 201°
  • Humidity: 60%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 207°
  • Humidity: 62%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 4:41 pm
  • 5 pm
  • 52°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 193°
  • Humidity: 73%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 52°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 187°
  • Humidity: 77%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 50°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSE 146°
  • Humidity: 81%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphSE 127°
  • Humidity: 82%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 50°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphESE 102°
  • Humidity: 84%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphE 84°
  • Humidity: 86%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 48°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphENE 75°
  • Humidity: 87%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Sunday, primarily cloud-filled and occasionally clear weather is expected.
The temperature will be between a maximum of 59°F and a minimum of 48.2°F. The warmest part of the day is anticipated around 2 pm.
The forecasted maximum is more resembling October's typical high of 58.6°F than the average for November. Today, the night will be also more in line with October's average minimum of 44.2°F than November's usual value of 39°F.
Updated: Nov 8, 2026 @ 21:09:22 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (1:09 pm PST) it is 59°F in Mercer Island.

Today, in Mercer Island, clouds and sunshine will create a dynamic sky throughout the day.

Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 44.6°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 48.6°F in November. Today, the lowest temperature will be relatively higher than the average low temperature.

On Sunday, in Mercer Island, sunrise was at 7:03 am and sunset will be at 4:41 pm (PST).

Today, the daylight will last for 9h and 37min.