Weather forecast for tomorrowGrand Rapids, OR

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 7mphNE 39°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:35 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
Tomorrow, on Sunday, a pleasant, mostly sunny outlook is in place.
The maximum temperature will be an enjoyable 62.6°F, while the minimum temperature will be a wintry 39.2°F.
The day’s top temperature is expected to be moderately higher than the typical October high of 58.8°F.
Sunrise will be at 7:35 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 47min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest period: 3 am - 6 am 37°C.

Chance of precipitation

Highest chance: 12 am - 3 am 8%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 1mphWSW 247°
  • Humidity: 99%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 1mphSW 229°
  • Humidity: 100%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 1mphSSW 213°
  • Humidity: 100%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphNE 56°
  • Humidity: 100%
  • Pressure: 30.18"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Sunrise: 7:35 am
  • 8 am
  • 37°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphE 89°
  • Humidity: 97%
  • Pressure: 30.15"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphENE 56°
  • Humidity: 81%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNE 41°
  • Humidity: 58%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNE 26°
  • Humidity: 48%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNE 11°
  • Humidity: 45%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphN 357°
  • Humidity: 56%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:22 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphW 270°
  • Humidity: 72%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphSSW 199°
  • Humidity: 81%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily cloudy and occasionally sun-filled weather is anticipated.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 60.8°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature is expected to be relatively higher than the average peak in October, which is 58.8°F. Tomorrow, the temperature will drop to a level also similar to October's average minimum of 42.6°F.
Updated: Oct 17, 2026 @ 21:33:21 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Grand Rapids, mostly sunny skies are expected.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 39.2°F.
Tomorrow, the highest temperature will be relatively higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 42.6°F.

On Sunday, in Grand Rapids, sunrise will be at 7:35 am and sunset at 6:22 pm (PDT).

Tomorrow, the daylight will last for 10h and 47min.