Weather forecast for tomorrowHarrington, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphE 79°
  • Humidity: 40%
  • UV index: 3
  • Sunrise: 7:16 am PDT
  • Sunset: 5:59 pm PDT
  • ▼
On Sunday, in Harrington, expect brilliant sunshine under mostly clear skies.
The temperature variation is anticipated to range from a maximum of a comfortable 62.6°F to a minimum of a chilly 44.6°F.
Tomorrow, the predicted maximum will be relatively higher than October's regular high of 55.6°F.
Sunrise will be at 7:16 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 43min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 32°C.

Chance of precipitation

Highest chance: 6 am 3%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphWNW 286°
  • Humidity: 51%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNW 308°
  • Humidity: 63%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 36°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphNE 50°
  • Humidity: 68%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 32°F
  • Feels like:
    28°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphNE 54°
  • Humidity: 72%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:16 am
  • 8 am
  • 36°F
  • Feels like:
    30°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNE 52°
  • Humidity: 72%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphENE 66°
  • Humidity: 48%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphE 84°
  • Humidity: 35%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphESE 105°
  • Humidity: 25%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphE 90°
  • Humidity: 23%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphENE 73°
  • Humidity: 28%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNE 40°
  • Humidity: 37%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNE 42°
  • Humidity: 44%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of gloomy and sun-filled weather is predicted.
The temperature will vary between the lowest temperature of 32°F and the highest temperature of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, expect temperatures a couple of degrees higher than what is usual for October. The minimum temperature will be also relatively higher than October's average low of 40.1°F.
Updated: Oct 18, 2026 @ 00:47:55 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, mainly sunny skies with just a few high clouds are anticipated.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 44.6°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 55.6°F in October. The lowest temperature tomorrow will be also slightly warmer than the average low temperature.

On Sunday, in Harrington, sunrise will be at 7:16 am and sunset at 5:59 pm (PDT).

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