Weather forecast for 10 daysRoslyn, WA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 12mphWNW 290°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:25 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
Today, in Roslyn, a mix of clouds and blue sky is expected.
The temperature will vary between a maximum of a mild 55.4°F and a minimum of a wintry 33.8°F.
The anticipated maximum temperature will be a few degrees higher than October's typical high of 50.7°F.
Sunrise was at 7:25 am and sunset will be at 6:12 pm; the daylight will last for 10h and 47min.

Sunday Oct 18, 2026

  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphE 84°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:27 am PDT
  • Sunset: 6:10 pm PDT
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Tomorrow, on Sunday, October 18, moments of sunshine will break through the patchy clouds.
The temperature will vary between a maximum of a refreshing 59°F and a minimum of a wintry 41°F.
The day's peak of 59°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:27 am and sunset at 6:10 pm; tomorrow's daylight will last for 10h and 44min.

10-day overview

Daily temperatures

Warmest period: Tuesday - Wednesday 63°C.
Coldest day: Sunday 25.10. 48°C.

Chance of precipitation

Highest chance: Monday 26.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 12mphWNW 290°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:25 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphE 84°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:27 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 57°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWNW 296°
  • Humidity: 56%
  • UV index: 1
  • Sunrise: 7:28 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphENE 65°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:30 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphNE 43°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:31 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 57°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphWNW 293°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 7:32 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 50°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 9mphWNW 289°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 7:34 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 50°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 5mphE 88°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:35 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 48°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 5mphENE 63°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:37 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 50°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 3mphWNW 285°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 7:38 am PDT
  • Sunset: 5:57 pm PDT
  • ▼
During the upcoming ten-day period, primarily dull and occasionally sunny weather is predicted.
Rain is not anticipated in Roslyn in the upcoming period.
Significant changes in temperature are expected in the coming days. The temperature is expected to swing from 48.2°F up to 62.6°F, while the low temperature range extends from 33.8°F to 42.8°F.
The warmest days in Roslyn will be Tuesday and Wednesday, with a maximum of 62.6°F; with the highest temperature of 48.2°F, next Sunday will be the coldest day.
Updated: Oct 17, 2026 @ 17:45:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Roslyn, a pleasant mix of sun and clouds will define the day.

Today, the highest temperature in Roslyn will be 55.4°F, while the lowest temperature will be 33.8°F.
The highest temperature today will be moderately higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 34.7°F.

On Saturday, in Roslyn, sunrise was at 7:25 am and sunset will be at 6:12 pm (PDT).

In Roslyn, today, there will be 10h and 47min of daylight.

Tomorrow, variable cloud cover will persist, but sunshine will break through.

Tomorrow, the highest temperature will be 59°F, while the lowest temperature will be 41°F.
The highest temperature will be a few degrees higher than the average maximum of 50.7°F in October. The lowest temperature will be also relatively higher than the average low of 34.7°F.

On Sunday, in Roslyn, sunrise will be at 7:27 am and sunset at 6:10 pm (PDT).

In Roslyn, tomorrow, there will be 10h and 44min of daylight.