Weather forecast for 10 daysHartline, WA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 64°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphW 269°
  • Humidity: 32%
  • UV index: 3
  • Sunrise: 7:18 am PDT
  • Sunset: 6:04 pm PDT
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Today, in Hartline, variable cloud cover will persist, but sunshine will break through.
Temperature changes will be considerable, from a high of a comfortable 64.4°F to a low of a wintry 32°F.
Today, the forecasted high will be a couple of degrees higher than October's typical maximum of 56.3°F.
Sunrise was at 7:18 am and sunset will be at 6:04 pm; the daylight will last for 10h and 46min.

Sunday Oct 18, 2026

  • 63°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphNE 45°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:20 am PDT
  • Sunset: 6:02 pm PDT
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On Sunday, October 18, mostly clear skies and sunshine will create ideal daytime conditions.
Temperatures will oscillate between a breezy 62.6°F at their highest and an icy 41°F at their lowest.
Tomorrow, the forecasted temperature will be a few degrees higher than the standard October high of 56.3°F.
Sunrise will be at 7:20 am and sunset at 6:02 pm; tomorrow's daylight will last for 10h and 43min.

10-day overview

Daily temperatures

Warmest day: Tuesday 66°C.
Coldest period: Saturday - Monday 54°C.

Chance of precipitation

Highest chance: Sunday 25.10. 20%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 64°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphW 269°
  • Humidity: 32%
  • UV index: 3
  • Sunrise: 7:18 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphNE 45°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:20 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 61°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphN 352°
  • Humidity: 41%
  • UV index: 2
  • Sunrise: 7:21 am PDT
  • Sunset: 6:00 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphN 352°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:23 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphESE 111°
  • Humidity: 48%
  • UV index: 2
  • Sunrise: 7:24 am PDT
  • Sunset: 5:57 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 6mphSE 146°
  • Humidity: 56%
  • UV index: 2
  • Sunrise: 7:26 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 57°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 15mphWNW 299°
  • Humidity: 43%
  • UV index: 2
  • Sunrise: 7:27 am PDT
  • Sunset: 5:53 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 34°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphENE 76°
  • Humidity: 54%
  • UV index: 2
  • Sunrise: 7:29 am PDT
  • Sunset: 5:52 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 11mphNNE 16°
  • Humidity: 55%
  • UV index: 2
  • Sunrise: 7:30 am PDT
  • Sunset: 5:50 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphNE 50°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 7:32 am PDT
  • Sunset: 5:48 pm PDT
  • ▼
For the coming ten days, a combination of overcast and sunny weather is predicted.
Rain is not anticipated in Hartline in the upcoming days.
Significant changes in temperature are expected in the upcoming period. Maximum temperatures are forecasted between 53.6°F and 66.2°F, while the lowest temperature will be between 32°F and 41°F.
Tuesday is expected to be the warmest, reaching up to 66.2°F; next Saturday through next Monday, with the highest temperature of 53.6°F, will be the coldest days in Hartline.
Updated: Oct 17, 2026 @ 20:25:05 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Hartline, a mix of clouds and blue sky is expected.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 32°F.
The maximum temperature will be relatively higher than the average highest temperature of 56.3°F in October. The lowest temperature will be significantly lower than the average low of 41.4°F.

On Saturday, in Hartline, sunrise was at 7:18 am and sunset will be at 6:04 pm (PDT).

In Hartline, the length of the day today will be 10h and 46min.

Tomorrow, mostly sunny and dry conditions will continue.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 41°F.
The maximum temperature tomorrow will be relatively higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 41.4°F.

On Sunday, in Hartline, sunrise will be at 7:20 am and sunset at 6:02 pm (PDT).

In Hartline, the length of the day tomorrow will be 10h and 43min.