Weather forecast for 10 daysFairfield, WA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 63°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphENE 65°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:12 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
On Sunday, October 18, skies are expected to be clear and full of sunshine.
Temperatures are predicted to range from a maximum of an enjoyable 62.6°F to a minimum of a wintry 41°F.
Tomorrow, the predicted high temperature will be relatively higher than the average October peak of 55.9°F.
Sunrise will be at 7:12 am and sunset at 5:55 pm; tomorrow's daylight will last for 10h and 43min.

10-day overview

Daily temperatures

Warmest period: Tuesday - Wednesday 64°C.
Coldest period: Saturday - Monday 52°C.

Chance of precipitation

Highest chance: Sunday 25.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphS 175°
  • Humidity: 68%
  • UV index: 0
  • Sunrise: 7:10 am PDT
  • Sunset: 5:57 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphENE 65°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:12 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 61°F
  • 41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSW 208°
  • Humidity: 52%
  • UV index: 2
  • Sunrise: 7:13 am PDT
  • Sunset: 5:53 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNNE 22°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:14 am PDT
  • Sunset: 5:51 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphSE 140°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:16 am PDT
  • Sunset: 5:50 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 6mphS 185°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 7:17 am PDT
  • Sunset: 5:48 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 54°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 13mphSW 234°
  • Humidity: 60%
  • UV index: 2
  • Sunrise: 7:19 am PDT
  • Sunset: 5:46 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphESE 120°
  • Humidity: 58%
  • UV index: 2
  • Sunrise: 7:20 am PDT
  • Sunset: 5:44 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphE 83°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:22 am PDT
  • Sunset: 5:43 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphESE 116°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:23 am PDT
  • Sunset: 5:41 pm PDT
  • ▼
Throughout the next ten days, primarily cloud-filled and occasionally sun-filled weather is expected.
Rain is not forecasted in Fairfield in the upcoming period.
Expect a substantial fluctuation in daytime highs in the upcoming period. Highs will range from 51.8°F to 64.4°F, while nighttime temperatures are expected to vary from 33.8°F to 42.8°F.
With a maximum temperature of 64.4°F, Tuesday and Wednesday will be the warmest days in Fairfield; the coldest days will be next Saturday through next Monday, with a maximum of 51.8°F.
Updated: Oct 18, 2026 @ 01:54:55 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine will likely continue with scattered clouds at most.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 41°F.
The maximum temperature tomorrow will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Fairfield, sunrise will be at 7:12 am and sunset at 5:55 pm (PDT).

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