Weather forecast for 10 daysStartup, WA

10-day overview

Daily temperatures

Maximum temperature: 55°C.
Coldest day: Wednesday 48°C.

Chance of precipitation

Highest chance: Wednesday 94%.

Long-term weather forecast

  • Sunday
  • Oct 25, 2026
  • min.
  • 45°F
Showers Late
Showers Late
  • Precip. probability: 42%
  • Precipitation: 0.04"
  • Wind: 9mphE 85°
  • Humidity: 80%
  • UV index: 0
  • Sunrise: 7:41 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 55°F
  • 46°F
PM Showers
PM Showers
  • Precip. probability: 34%
  • Precipitation: 0.2"
  • Wind: 3mphWNW 296°
  • Humidity: 90%
  • UV index: 1
  • Sunrise: 7:43 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 52°F
  • 45°F
Showers
Showers
  • Precip. probability: 66%
  • Precipitation: 0.87"
  • Wind: 5mphSW 215°
  • Humidity: 96%
  • UV index: 1
  • Sunrise: 7:44 am PDT
  • Sunset: 5:57 pm PDT
  • ▼
  • Wednesday
  • Oct 28, 2026
  • 48°F
  • 41°F
Rain
Rain
  • Precip. probability: 94%
  • Precipitation: 0.51"
  • Wind: 4mphS 172°
  • Humidity: 95%
  • UV index: 1
  • Sunrise: 7:46 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 52°F
  • 39°F
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 0.2"
  • Wind: 3mphNNE 16°
  • Humidity: 85%
  • UV index: 2
  • Sunrise: 7:47 am PDT
  • Sunset: 5:53 pm PDT
  • ▼
  • Friday
  • Oct 30, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 2mphN 349°
  • Humidity: 80%
  • UV index: 2
  • Sunrise: 7:49 am PDT
  • Sunset: 5:52 pm PDT
  • ▼
  • Saturday
  • Oct 31, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 3mphNNW 340°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 7:50 am PDT
  • Sunset: 5:50 pm PDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 3mphNW 325°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 6:52 am PST
  • Sunset: 4:48 pm PST
  • ▼
  • Monday
  • Nov 2, 2026
  • 55°F
  • 43°F
PM Showers
PM Showers
  • Precip. probability: 33%
  • Precipitation: 0.16"
  • Wind: 3mphN 353°
  • Humidity: 72%
  • UV index: 2
  • Sunrise: 6:53 am PST
  • Sunset: 4:47 pm PST
  • ▼
  • Tuesday
  • Nov 3, 2026
  • 55°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphNE 39°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 6:55 am PST
  • Sunset: 4:45 pm PST
  • ▼
It is expected that a combination of rain-soaked and dull weather is anticipated.
Rain is forecasted for Sunday through Thursday and next Monday.
In the upcoming period, the maximum temperature will vary between 48.2°F and 55.4°F, while nighttime temperatures are expected to vary from 37.4°F to 46.4°F.
With a maximum temperature of 55.4°F, Monday, next Monday and Tuesday will be the warmest days; expect the coldest day on Wednesday with a high of 48.2°F.
Updated: Oct 25, 2026 @ 22:56:18 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, light showers will develop as the evening approaches.

Today, there is a low probability of minimal rainfall in Startup.

On Sunday, in Startup, sunrise was at 7:41 am and sunset will be at 6:00 pm (PDT).

In Startup, today, there will be 10h and 19min of daylight.