Weather forecast for todayMattawa, WA

Weather forecast for today

Current condition 3:10 pm PDT

  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphN 0°
  • Humidity: 25%
  • Dewpoint: 28°F
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
In Mattawa, at the moment, a vibrant sun is lighting up the sky, with no sign of clouds.
The temperature is a breezy 66.2°F. The current temperature is at its highest of the day.

Sunday Oct 18, 2026

  • 66°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNE 41°
  • Humidity: 28%
  • UV index: 2
  • Sunrise: 7:22 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
Today, on Sunday, October 18, intermittent cloud cover is expected, allowing for some sunshine.
The highest temperature will be a breezy 66.2°F, while the lowest temperature will be a frosty 44.6°F.
Today, the maximum temperature is predicted to be relatively higher than October's climate norm of 60.1°F.
Sunrise was at 7:22 am and sunset will be at 6:07 pm; the daylight will last for 10h and 45min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 66°C.
Coldest period: 9 pm - 12 am 46°C.

Chance of precipitation

Highest chance: 4 pm - 12 am 0%.

Hourly weather forecast

  • 4 pm
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 58°
  • Humidity: 25%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 57°
  • Humidity: 29%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphN 6°
  • Humidity: 33%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:07 pm
  • 7 pm
  • 52°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNW 323°
  • Humidity: 47%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNW 313°
  • Humidity: 50%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNW 314°
  • Humidity: 51%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 318°
  • Humidity: 50%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 46°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 318°
  • Humidity: 50%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 46°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNW 325°
  • Humidity: 51%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 1 am
  • 46°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNW 320°
  • Humidity: 52%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Sunday, primarily cloudy and occasionally bright weather is forecasted.
The temperature will vary between the highest temperature of 66.2°F and the lowest temperature of 46.4°F. The warmest part of the day will be around 4 pm.
The highest temperature will be a couple of degrees higher than October's average maximum of 60.1°F. The nighttime low today will be also similar to October's typical minimum temperature.
Updated: Oct 18, 2026 @ 22:10:09 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (3:10 pm PDT) is 66.2°F.

On Sunday, sun and clouds will share the sky, creating a partly cloudy day.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 44.6°F.
The highest temperature today will be relatively higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 43.7°F.

On Sunday, in Mattawa, sunrise was at 7:22 am and sunset will be at 6:07 pm (PDT).

In Mattawa, the length of the day today will be 10h and 45min.