Weather forecast for tomorrowMaple Valley, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 59°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphN 0°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 7:31 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Tomorrow, changing cloud patterns will allow for periods of sunshine.
The temperature is predicted to vary between a maximum of a moderate 59°F and a minimum of a brisk 42.8°F.
The temperature will be in line with October's average maximum of 57.2°F.
Sunrise will be at 7:31 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 43min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 43°C.

Chance of precipitation

Highest chance: 6 am 7%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphNE 42°
  • Humidity: 87%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphNE 53°
  • Humidity: 89%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNE 55°
  • Humidity: 89%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNE 55°
  • Humidity: 91%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:31 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphNE 54°
  • Humidity: 92%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphN 2°
  • Humidity: 77%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNNW 340°
  • Humidity: 66%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNNW 340°
  • Humidity: 57%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNNW 343°
  • Humidity: 57%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphNNW 346°
  • Humidity: 66%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphN 0°
  • Humidity: 83%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphN 8°
  • Humidity: 87%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily gloomy and occasionally mostly clear weather is anticipated.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 59°F. The warmest part of the day is anticipated around 3 pm.
The high temperature is expected to be in line with October's usual value of 57.2°F. The lowest temperature is also consistent with October's typical minimum of 41.9°F.
Updated: Oct 17, 2026 @ 18:38:03 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, moments of sunshine will break through the patchy clouds.

Tomorrow, the maximum temperature will be 59°F, while the minimum temperature will be 42.8°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 41.9°F.

On Sunday, in Maple Valley, sunrise will be at 7:31 am and sunset at 6:14 pm (PDT).

Tomorrow, the daylight will last for 10h and 43min.