Weather forecast for tomorrowGrand Rapids, OR
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 63°F
- 39°F
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
- details ▼
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.
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.
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
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphWSW 247°
- Humidity: 99%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 1mphSW 229°
- Humidity: 100%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphSSW 213°
- Humidity: 100%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphNE 56°
- Humidity: 100%
- Pressure: 30.18"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
Sunrise: 7:35 am
- 8 am
- 37°F
- Feels like:37°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 2mphE 89°
- Humidity: 97%
- Pressure: 30.15"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:46°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphENE 56°
- Humidity: 81%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNE 41°
- Humidity: 58%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNE 26°
- Humidity: 48%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNE 11°
- Humidity: 45%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 357°
- Humidity: 56%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:22 pm
- 8 pm
- 50°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphW 270°
- Humidity: 72%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphSSW 199°
- Humidity: 81%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
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.
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
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.
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.





