Weather forecast for tomorrowForest Grove, OR
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 43°F
AM Fog / PM Sun
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 6mphN 356°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:33 am PDT
- Sunset: 6:21 pm PDT
- details ▼
On Sunday, October 18, misty weather in the morning will give way to a bright and clear afternoon.
The highest temperature will be a comfortable 66.2°F, while the lowest predicted temperature is a frosty 42.8°F.
The higher temperature of 66.2°F is more typical of September than October.
Sunrise will be at 7:33 am and sunset at 6:21 pm; tomorrow's daylight will last for 10h and 49min.
The highest temperature will be a comfortable 66.2°F, while the lowest predicted temperature is a frosty 42.8°F.
The higher temperature of 66.2°F is more typical of September than October.
Sunrise will be at 7:33 am and sunset at 6:21 pm; tomorrow's daylight will last for 10h and 49min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 9 am 18%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNW 315°
- Humidity: 77%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNW 314°
- Humidity: 83%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNW 322°
- Humidity: 89%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNW 325°
- Humidity: 88%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:33 am
- 8 am
- 43°F
- Feels like:39°F
Foggy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 4mphNNW 333°
- Humidity: 87%
- Pressure: 30.15"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:50°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphN 351°
- Humidity: 70%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNE 16°
- Humidity: 54%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 1°
- Humidity: 42%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 3°
- Humidity: 38%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphN 351°
- Humidity: 46%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:21 pm
- 8 pm
- 55°F
- Feels like:55°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNW 315°
- Humidity: 57%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:52°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphWNW 292°
- Humidity: 66%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of primarily cloudy and occasionally bright and foggy weather is predicted.
The temperature will vary between a minimum of 42.8°F and a maximum of 66.2°F. The warmest part of the day is anticipated around 4 pm.
The highest temperature is more in line with September's average maximum of 71.6°F than October's usual of 59.5°F. The expected low will be close to the average minimum in October, which is 43.9°F.
The temperature will vary between a minimum of 42.8°F and a maximum of 66.2°F. The warmest part of the day is anticipated around 4 pm.
The highest temperature is more in line with September's average maximum of 71.6°F than October's usual of 59.5°F. The expected low will be close to the average minimum in October, which is 43.9°F.
Updated: Oct 17, 2026 @ 21:29:02 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
On Sunday, misty weather in the morning will give way to a bright and clear afternoon.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be moderately higher than the average highest temperature of 59.5°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature will be moderately higher than the average highest temperature of 59.5°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Forest Grove, sunrise will be at 7:33 am and sunset at 6:21 pm (PDT).
In Forest Grove, tomorrow, there will be 10h and 49min of daylight.





