Weather forecast for 10 daysWinthrop, WA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 63°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSE 146°
  • Humidity: 38%
  • UV index: 3
  • Sunrise: 7:25 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
On Sunday, in Winthrop, mainly sunny skies with just a few high clouds are anticipated.
Temperatures are forecasted to move from a peak of an enjoyable 62.6°F to a low of a cold 35.6°F.
The temperature of 62.6°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:25 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 40min.

10-day overview

Daily temperatures

Warmest day: Tuesday 66°C.
Coldest period: Saturday - Sunday 54°C.

Chance of precipitation

Highest chance: Sunday 25.10. 21%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 27°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNNW 327°
  • Humidity: 63%
  • UV index: 0
  • Sunrise: 7:24 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSE 146°
  • Humidity: 38%
  • UV index: 3
  • Sunrise: 7:25 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 61°F
  • 32°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 133°
  • Humidity: 41%
  • UV index: 2
  • Sunrise: 7:27 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphESE 106°
  • Humidity: 44%
  • UV index: 2
  • Sunrise: 7:28 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSE 139°
  • Humidity: 48%
  • UV index: 2
  • Sunrise: 7:30 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 64°F
  • 36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphWSW 253°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:31 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 57°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 9mphWNW 288°
  • Humidity: 49%
  • UV index: 2
  • Sunrise: 7:33 am PDT
  • Sunset: 5:56 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 30°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphSE 128°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:34 am PDT
  • Sunset: 5:54 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 6mphE 94°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 7:36 am PDT
  • Sunset: 5:53 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 55°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 6mphSE 142°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:38 am PDT
  • Sunset: 5:51 pm PDT
  • ▼
Ten-day trends indicate that a combination of cloudy and mostly clear weather is expected.
Rain is not forecasted in Winthrop in the upcoming period.
The temperature will vary considerably throughout the forecast window. The maximum temperature will vary between 53.6°F and 66.2°F, while the lowest temperature will be between 26.6°F and 35.6°F.
With the highest temperature of 66.2°F, Tuesday will be the warmest day; the coldest days will be next Saturday and Sunday, with a maximum of 53.6°F.
Updated: Oct 18, 2026 @ 02:15:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Winthrop, expect brilliant sunshine under mostly clear skies.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 35.6°F.
Tomorrow, the highest temperature will be uncommonly higher than the average maximum of 48.9°F in October. The lowest temperature will be a few degrees higher than the average low of 31.8°F.

On Sunday, in Winthrop, sunrise will be at 7:25 am and sunset at 6:05 pm (PDT).

In Winthrop, tomorrow, there will be 10h and 40min of daylight.