Weather forecast for tomorrowBlaine, WA

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 57°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 3mphNNW 347°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 7:36 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
On Sunday, in Blaine, variable cloud cover will persist, but sunshine will break through.
Temperature span will be from a high of a moderate 57.2°F to a low of a brisk 44.6°F.
The anticipated peak temperature will reflect the average October high of 55.9°F.
Sunrise will be at 7:36 am and sunset at 6:15 pm; tomorrow's daylight will last for 10h and 38min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 55°C.
Coldest hour: 6 am 43°C.

Chance of precipitation

Highest chance: 3 am - 6 am 9%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphSSW 191°
  • Humidity: 87%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphENE 72°
  • Humidity: 90%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    45°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 1mphENE 63°
  • Humidity: 93%
  • Pressure: 30.21"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 1mphNE 43°
  • Humidity: 96%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:36 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphNNE 29°
  • Humidity: 100%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphNE 42°
  • Humidity: 81%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 54°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNNW 344°
  • Humidity: 70%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNW 306°
  • Humidity: 67%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphWNW 304°
  • Humidity: 68%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphNW 322°
  • Humidity: 74%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:15 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphNNW 331°
  • Humidity: 81%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphNNW 335°
  • Humidity: 85%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily cloudy and occasionally mostly clear weather is expected.
The temperature will vary between a minimum of 41°F and a maximum of 55.4°F. The warmest part of the day will be from 1 pm to 5 pm.
Tomorrow, the forecasted high aligns comparable to the average peak in October. Tomorrow, the night is expected to be also close to the typical October low of 46°F.
Updated: Oct 17, 2026 @ 21:12:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Blaine, patchy clouds will move across the sky, allowing for sunshine at times.

Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 44.6°F.
The highest temperature will be in line with the average maximum of 55.9°F in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

On Sunday, in Blaine, sunrise will be at 7:36 am and sunset at 6:15 pm (PDT).

In Blaine, tomorrow, there will be 10h and 38min of daylight.