Weather forecast for 10 daysStartup, WA

Weather forecast for the weekend

Sunday Oct 25, 2026

  • 55°F
  • 46°F
Rain
Rain
  • Precip. probability: 66%
  • Precipitation: 0.2"
  • Wind: 6mphE 83°
  • Humidity: 75%
  • UV index: 1
  • Sunrise: 7:41 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
On Sunday, October 25, persistent showers will keep conditions wet.
The chance of precipitation for tomorrow is high. However, the rainfall will be light. Temperature is anticipated to reach a high of a mild 55.4°F during the day, slightly dropping to a low of a brisk 46.4°F at night.
Tomorrow, the anticipated temperature will match October's typical high 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

Maximum temperature: 55°C.
Coldest period: Wednesday - Thursday 50°C.

Chance of precipitation

Highest chance: Wednesday 88%.

Long-term weather forecast

  • Saturday
  • Oct 24, 2026
  • min.
  • 46°F
Showers Late
Showers Late
  • Precip. probability: 52%
  • Precipitation: 0.04"
  • Wind: 4mphE 80°
  • Humidity: 70%
  • UV index: 0
  • Sunrise: 7:40 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 46°F
Rain
Rain
  • Precip. probability: 66%
  • Precipitation: 0.2"
  • Wind: 6mphE 83°
  • Humidity: 75%
  • UV index: 1
  • Sunrise: 7:41 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 55°F
  • 48°F
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 0.2"
  • Wind: 3mphNNW 339°
  • Humidity: 88%
  • UV index: 1
  • Sunrise: 7:43 am PDT
  • Sunset: 5:58 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 52°F
  • 45°F
Light Rain
Light Rain
  • Precip. probability: 65%
  • Precipitation: 0.63"
  • Wind: 4mphSW 219°
  • 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: 88%
  • Precipitation: 0.63"
  • Wind: 5mphS 169°
  • Humidity: 90%
  • UV index: 1
  • Sunrise: 7:46 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
  • Thursday
  • Oct 29, 2026
  • 50°F
  • 37°F
Showers
Showers
  • Precip. probability: 59%
  • Precipitation: 0.16"
  • Wind: 3mphN 351°
  • Humidity: 90%
  • 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: 32%
  • Precipitation: 0.04"
  • Wind: 3mphN 352°
  • Humidity: 82%
  • 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: 23%
  • Precipitation: 0.04"
  • Wind: 3mphNNW 340°
  • Humidity: 78%
  • UV index: 2
  • Sunrise: 7:50 am PDT
  • Sunset: 5:50 pm PDT
  • ▼
  • Sunday
  • Nov 1, 2026
  • 54°F
  • 41°F
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 0.71"
  • Wind: 3mphNNW 346°
  • Humidity: 78%
  • UV index: 1
  • Sunrise: 6:52 am PST
  • Sunset: 4:48 pm PST
  • ▼
  • Monday
  • Nov 2, 2026
  • 55°F
  • 41°F
Showers
Showers
  • Precip. probability: 59%
  • Precipitation: 0.43"
  • Wind: 4mphNNE 13°
  • Humidity: 77%
  • UV index: 1
  • Sunrise: 6:53 am PST
  • Sunset: 4:47 pm PST
  • ▼
Weather models show that primarily rain-filled and occasionally dull weather is expected.
Rainfall is anticipated day-to-day, with daily precipitation varying from a minimal 0.04" to a maximum of 0.71".
Temperature differences will be unnoticeable in the upcoming days. The maximum temperature will vary between 50°F and 55.4°F, while the low temperature range extends from 37.4°F to 48.2°F.
With a maximum temperature of 55.4°F, Sunday, Monday and next Monday will be the warmest days; the coldest days will be Wednesday and Thursday, with a maximum of 50°F.
Updated: Oct 25, 2026 @ 05:54:57 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect persistent rain that may last through the evening as well.

Light precipitation of 0.2" is expected. The likelihood of rainfall is 66%.

Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 46.4°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be a few degrees 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.