Weather forecast for tomorrowAhtanum, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphSW 226°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:24 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
On Sunday, in Ahtanum, open skies and radiant sunshine are also expected.
The temperature will fluctuate from a high of an enjoyable 64.4°F to a low of an icy 39.2°F.
Tomorrow's top temperature will be relatively higher than October's standard maximum of 60.1°F.
Sunrise will be at 7:24 am and sunset at 6:10 pm; tomorrow's daylight will last for 10h and 46min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 34°C.

Chance of precipitation

Highest chance: 6 am 3%.

Hourly weather forecast

  • 12 am
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphWNW 293°
  • Humidity: 66%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphWNW 292°
  • Humidity: 74%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 36°F
  • Feels like:
    32°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphWNW 285°
  • Humidity: 77%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    28°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphWNW 293°
  • Humidity: 81%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:24 am
  • 8 am
  • 34°F
  • Feels like:
    28°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWNW 290°
  • Humidity: 79%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNW 308°
  • Humidity: 50%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNNE 20°
  • Humidity: 34%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSE 126°
  • Humidity: 27%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphSSE 161°
  • Humidity: 27%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSW 198°
  • Humidity: 35%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:10 pm
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWNW 289°
  • Humidity: 51%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWNW 289°
  • Humidity: 55%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of dry and sunny and cloudy weather is forecasted.
The temperature will vary between a minimum of 32°F and a maximum of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the forecasted high will be moderately higher than October's typical peak temperature. The lowest temperature is also similar to October's typical minimum of 42.6°F.
Updated: Oct 18, 2026 @ 03:32:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Ahtanum, dry and sunny weather is expected throughout the day.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 39.2°F.
The highest temperature tomorrow will be slightly warmer than the average maximum temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Ahtanum, sunrise will be at 7:24 am and sunset at 6:10 pm (PDT).

In Ahtanum, tomorrow, there will be 10h and 46min of daylight.