Weather forecast for 10 daysUnion, WA

10-day overview

Daily temperatures

Warmest day: Wednesday 63°C.
Coldest day: Monday 52°C.

Chance of precipitation

Highest chance: tomorrow 98%.

Long-term weather forecast

  • Thursday
  • Nov 5, 2026
  • 55°F
  • 46°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0.16"
  • Wind: 7mphWSW 237°
  • Humidity: 85%
  • UV index: 1
  • Sunrise: 7:02 am PST
  • Sunset: 4:49 pm PST
  • ▼
  • Friday
  • Nov 6, 2026
  • 55°F
  • 46°F
Rain
Rain
  • Precip. probability: 98%
  • Precipitation: 0.87"
  • Wind: 11mphSW 222°
  • Humidity: 97%
  • UV index: 1
  • Sunrise: 7:03 am PST
  • Sunset: 4:48 pm PST
  • ▼
  • Saturday
  • Nov 7, 2026
  • 61°F
  • 46°F
Rain
Rain
  • Precip. probability: 88%
  • Precipitation: 0.87"
  • Wind: 11mphSW 228°
  • Humidity: 94%
  • UV index: 1
  • Sunrise: 7:05 am PST
  • Sunset: 4:46 pm PST
  • ▼
  • Sunday
  • Nov 8, 2026
  • 55°F
  • 39°F
AM Showers
AM Showers
  • Precip. probability: 53%
  • Precipitation: 0.04"
  • Wind: 11mphSW 233°
  • Humidity: 83%
  • UV index: 1
  • Sunrise: 7:06 am PST
  • Sunset: 4:45 pm PST
  • ▼
  • Monday
  • Nov 9, 2026
  • 52°F
  • 46°F
Rain
Rain
  • Precip. probability: 83%
  • Precipitation: 0.98"
  • Wind: 4mphSW 231°
  • Humidity: 88%
  • UV index: 1
  • Sunrise: 7:08 am PST
  • Sunset: 4:44 pm PST
  • ▼
  • Tuesday
  • Nov 10, 2026
  • 59°F
  • 52°F
Rain
Rain
  • Precip. probability: 86%
  • Precipitation: 1.34"
  • Wind: 10mphSW 215°
  • Humidity: 97%
  • UV index: 1
  • Sunrise: 7:09 am PST
  • Sunset: 4:42 pm PST
  • ▼
  • Wednesday
  • Nov 11, 2026
  • 63°F
  • 50°F
Showers
Showers
  • Precip. probability: 57%
  • Precipitation: 0.55"
  • Wind: 7mphSW 223°
  • Humidity: 92%
  • UV index: 1
  • Sunrise: 7:11 am PST
  • Sunset: 4:41 pm PST
  • ▼
  • Thursday
  • Nov 12, 2026
  • 55°F
  • 45°F
Rain
Rain
  • Precip. probability: 67%
  • Precipitation: 0.87"
  • Wind: 7mphSW 215°
  • Humidity: 96%
  • UV index: 1
  • Sunrise: 7:12 am PST
  • Sunset: 4:40 pm PST
  • ▼
  • Friday
  • Nov 13, 2026
  • 54°F
  • 45°F
Showers
Showers
  • Precip. probability: 57%
  • Precipitation: 1.18"
  • Wind: 9mphS 184°
  • Humidity: 94%
  • UV index: 1
  • Sunrise: 7:14 am PST
  • Sunset: 4:39 pm PST
  • ▼
  • Saturday
  • Nov 14, 2026
  • 54°F
  • 43°F
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 0.67"
  • Wind: 7mphSSW 201°
  • Humidity: 94%
  • UV index: 1
  • Sunrise: 7:15 am PST
  • Sunset: 4:37 pm PST
  • ▼
In the days ahead, primarily rain-soaked and occasionally overcast weather is predicted.
Rainfall is predicted for Friday through next Saturday.
In the upcoming period, the highest temperature will range between 51.8°F and 62.6°F, while the lowest night temperatures will vary significantly, as the overnight lows will vary from 39.2°F to 51.8°F.
Wednesday is expected to be the warmest, reaching up to 62.6°F; with the highest temperature of 51.8°F, Monday will be the coldest day.
Updated: Nov 5, 2026 @ 21:37:42 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Union, predominantly rainy and occasionally cloud-filled weather is forecasted for the next ten days.

In Union, rainfall is forecasted almost every day for the next ten days. Tuesday, with heavy precipitation of 1.34", will be the day with the most rainfall.

The maximum temperature will range between 51.8°F and 62.6°F, as the minimum temperature will vary between 39.2°F and 51.8°F.

With the maximum temperature of 62.6°F, Wednesday will be the warmest day. Monday will be the coldest day, with a maximum temperature of 51.8°F.

On Saturday, the forecast includes rain showers and damp conditions lasting all day.

Yes. With a probability of 88%, increased precipitation of 0.87" is predicted on Saturday.

On Saturday, the maximum temperature will be 60.8°F, while the minimum temperature will be 46.4°F.

On Sunday, in Union, a wet morning start with light showers is expected.

There is a high possibility of rainfall on Sunday, but with minimal precipitation.

On Sunday, the maximum temperature will be 55.4°F, while the minimum temperature will be 39.2°F.