Weather forecast for 10 daysUnion, WA

10-day overview

Daily temperatures

Warmest day: today 63°C.
Coldest day: Friday 20.11. 48°C.

Chance of precipitation

Highest chance: Sunday 94%.

Long-term weather forecast

  • Wednesday
  • Nov 11, 2026
  • 63°F
  • 50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphSW 231°
  • Humidity: 87%
  • UV index: 1
  • Sunrise: 7:11 am PST
  • Sunset: 4:41 pm PST
  • ▼
  • Thursday
  • Nov 12, 2026
  • 61°F
  • 50°F
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0.04"
  • Wind: 2mphSW 234°
  • Humidity: 89%
  • UV index: 1
  • Sunrise: 7:12 am PST
  • Sunset: 4:40 pm PST
  • ▼
  • Friday
  • Nov 13, 2026
  • 55°F
  • 46°F
Rain
Rain
  • Precip. probability: 80%
  • Precipitation: 0.51"
  • Wind: 6mphWSW 247°
  • Humidity: 91%
  • UV index: 1
  • Sunrise: 7:14 am PST
  • Sunset: 4:39 pm PST
  • ▼
  • Saturday
  • Nov 14, 2026
  • 54°F
  • 48°F
Rain
Rain
  • Precip. probability: 85%
  • Precipitation: 1.26"
  • Wind: 7mphS 184°
  • Humidity: 94%
  • UV index: 1
  • Sunrise: 7:15 am PST
  • Sunset: 4:37 pm PST
  • ▼
  • Sunday
  • Nov 15, 2026
  • 52°F
  • 43°F
Rain
Rain
  • Precip. probability: 94%
  • Precipitation: 0.55"
  • Wind: 8mphSSW 205°
  • Humidity: 96%
  • UV index: 1
  • Sunrise: 7:17 am PST
  • Sunset: 4:36 pm PST
  • ▼
  • Monday
  • Nov 16, 2026
  • 50°F
  • 39°F
Showers
Showers
  • Precip. probability: 52%
  • Precipitation: 0.12"
  • Wind: 6mphSW 224°
  • Humidity: 96%
  • UV index: 1
  • Sunrise: 7:18 am PST
  • Sunset: 4:35 pm PST
  • ▼
  • Tuesday
  • Nov 17, 2026
  • 50°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • Wind: 4mphS 180°
  • Humidity: 91%
  • UV index: 1
  • Sunrise: 7:20 am PST
  • Sunset: 4:34 pm PST
  • ▼
  • Wednesday
  • Nov 18, 2026
  • 50°F
  • 39°F
Showers
Showers
  • Precip. probability: 41%
  • Precipitation: 0.08"
  • Wind: 5mphNNE 20°
  • Humidity: 87%
  • UV index: 1
  • Sunrise: 7:21 am PST
  • Sunset: 4:33 pm PST
  • ▼
  • Thursday
  • Nov 19, 2026
  • 50°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 4mphN 3°
  • Humidity: 85%
  • UV index: 1
  • Sunrise: 7:23 am PST
  • Sunset: 4:32 pm PST
  • ▼
  • Friday
  • Nov 20, 2026
  • 48°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 3mphN 3°
  • Humidity: 84%
  • UV index: 1
  • Sunrise: 7:24 am PST
  • Sunset: 4:31 pm PST
  • ▼
For the next ten days, a combination of cloud-filled and rainy weather is expected.
Rainfall is anticipated on Friday through next Wednesday.
Noticeable swings in temperature are expected in the next ten days. Forecast highs will fluctuate between 48.2°F and 62.6°F, while the difference in minimum temperatures will be also substantial, as temperatures overnight will fluctuate from 35.6°F up to 50°F.
The warmest day is today, with a maximum temperature of 62.6°F; the coldest day will be next Friday, with a maximum of 48.2°F.
Updated: Nov 11, 2026 @ 17:14:58 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Union, a combination of cloud-filled and showery weather is expected for the next ten days.

Rainfall is forecasted for Friday through next Wednesday in Union. With heavy precipitation of 1.26", Saturday will be the day with the most rainfall.

The maximum temperature will range between 48.2°F and 62.6°F, as the minimum temperature will range between 35.6°F and 50°F.

Today is the warmest day, with a maximum temperature of 62.6°F. Next Friday will be the coldest day, with a maximum temperature of 48.2°F.

On Saturday, in Union, expect persistent rain that may last through the evening as well.

Yes, it will rain on Saturday. Beware - heavy precipitation of 1.26" is forecasted on Saturday.

On Saturday, the highest temperature will be 53.6°F, while the lowest temperature will be 48.2°F.

On Sunday, expect widespread rain, bringing wet conditions throughout the day.

Moderate precipitation of 0.55" is anticipated on Sunday. The likelihood of rainfall is high at 94%.

On Sunday, the highest temperature will be 51.8°F, while the lowest temperature will be 42.8°F.