Weather forecast for tomorrowOpportunity, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphNE 47°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:12 am PDT
  • Sunset: 5:55 pm PDT
  • ▼
Tomorrow, on Sunday, October 18, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature span will be from a high of an enjoyable 64.4°F to a low of an icy 39.2°F.
Tomorrow, the temperature forecast of 64.4°F will better match September's climate average than that of October.
Sunrise will be at 7:12 am and sunset at 5:55 pm; tomorrow's daylight will last for 10h and 43min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 59°C.
Coldest period: 3 am - 6 am 41°C.

Chance of precipitation

Highest chance: 3 am - 6 am 2%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNE 42°
  • Humidity: 69%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNE 48°
  • Humidity: 73%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNE 44°
  • Humidity: 76%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    41°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNE 52°
  • Humidity: 74%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:12 am
  • 8 am
  • 43°F
  • Feels like:
    43°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphENE 59°
  • Humidity: 73%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    48°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 73°
  • Humidity: 60%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 77°
  • Humidity: 49%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphW 276°
  • Humidity: 43%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 4 pm
  • 59°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphWNW 300°
  • Humidity: 42%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:55 pm
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNW 339°
  • Humidity: 46%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphN 356°
  • Humidity: 58%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    48°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphNNE 19°
  • Humidity: 68%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily dull and occasionally bright weather is expected.
The temperature will vary between a minimum of 41°F and a maximum of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The temperature low is forecasted to be alike with the usual October value of 38.3°F.
Updated: Oct 18, 2026 @ 06:43:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, 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.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 38.3°F.

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

In Opportunity, tomorrow, there will be 10h and 43min of daylight.