Weather forecast for 10 daysStartup, WA

Weather forecast for the weekend

Sunday Oct 25, 2026

  • 57°F
  • 46°F
AM Showers
AM Showers
  • Precip. probability: 54%
  • Precipitation: 0.12"
  • Wind: 6mphE 85°
  • Humidity: 72%
  • UV index: 1
  • Sunrise: 7:41 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
Tomorrow, on Sunday, October 25, expect a damp start with early morning showers.
Minimal precipitation is predicted. The expected temperature range extends from a high of a moderate 57.2°F to a low of a chilly 46.4°F.
Tomorrow's top temperature will adhere to the average October high temperature of 54.5°F.
Sunrise will be at 7:41 am and sunset at 6:00 pm; tomorrow's daylight will last for 10h and 19min.

10-day overview

Daily temperatures

Warmest day: tomorrow 57°C.
Coldest period: Wednesday - Thursday 50°C.

Chance of precipitation

Highest chance: Wednesday 93%.

Long-term weather forecast

  • Saturday
  • Oct 24, 2026
  • min.
  • 46°F
Showers Late
Showers Late
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Wind: 5mphENE 77°
  • Humidity: 70%
  • UV index: 0
  • Sunrise: 7:40 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 46°F
AM Showers
AM Showers
  • Precip. probability: 54%
  • Precipitation: 0.12"
  • Wind: 6mphE 85°
  • Humidity: 72%
  • UV index: 1
  • Sunrise: 7:41 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 55°F
  • 46°F
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • Wind: 3mphNNW 327°
  • Humidity: 88%
  • UV index: 1
  • Sunrise: 7:43 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 52°F
  • 43°F
Light Rain
Light Rain
  • Precip. probability: 68%
  • Precipitation: 0.59"
  • Wind: 4mphSW 217°
  • Humidity: 95%
  • UV index: 1
  • Sunrise: 7:44 am PDT
  • Sunset: 5:57 pm PDT
  • ▼
  • Wednesday
  • Oct 28, 2026
  • 50°F
  • 39°F
Rain
Rain
  • Precip. probability: 93%
  • Precipitation: 0.63"
  • Wind: 4mphSSE 167°
  • Humidity: 93%
  • UV index: 1
  • Sunrise: 7:46 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 50°F
  • 37°F
Light Rain
Light Rain
  • Precip. probability: 68%
  • Precipitation: 0.2"
  • Wind: 3mphN 351°
  • Humidity: 89%
  • UV index: 1
  • Sunrise: 7:47 am PDT
  • Sunset: 5:53 pm PDT
  • ▼
  • Friday
  • Oct 30, 2026
  • 52°F
  • 37°F
AM Showers
AM Showers
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 3mphNNW 344°
  • Humidity: 84%
  • UV index: 2
  • Sunrise: 7:49 am PDT
  • Sunset: 5:52 pm PDT
  • ▼
  • Saturday
  • Oct 31, 2026
  • 52°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • Wind: 3mphNNW 327°
  • Humidity: 81%
  • UV index: 2
  • Sunrise: 7:50 am PDT
  • Sunset: 5:50 pm PDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 52°F
  • 41°F
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 0.75"
  • Wind: 4mphN 356°
  • Humidity: 79%
  • UV index: 1
  • Sunrise: 6:52 am PST
  • Sunset: 4:48 pm PST
  • ▼
  • Monday
  • Nov 2, 2026
  • 54°F
  • 41°F
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 0.43"
  • Wind: 4mphNNE 17°
  • Humidity: 77%
  • UV index: 1
  • Sunrise: 6:53 am PST
  • Sunset: 4:47 pm PST
  • ▼
Looking ahead to the next ten days, primarily showery and occasionally cloudy weather is predicted.
Rain is expected day-to-day, with daily precipitation varying from a minimal 0.04" to a maximum of 0.75".
In the coming days, the maximum temperature will range between 50°F and 57.2°F, while the lowest temperature will be between 37.4°F and 46.4°F.
The warmest day will be Sunday, with a maximum of 57.2°F; with a maximum temperature of 50°F, Wednesday and Thursday will be the coldest days.
Updated: Oct 25, 2026 @ 01:41:38 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, scattered morning showers will bring brief periods of rain.

There is a high likelihood of rainfall, but precipitation will be minimal.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 46.4°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be relatively higher than the average low temperature.

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

Tomorrow, the daylight will last for 10h and 19min.