Weather forecast for tomorrowHarrisburg, OR
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 45°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphN 5°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:31 am PDT
- Sunset: 6:23 pm PDT
- details ▼
Tomorrow, sunny intervals will be long-lasting, with few disruptions.
The forecasted temperature range extends from a high of a comfortable 66.2°F to a low of a brisk 44.6°F.
Anticipated temperatures are trending slightly warmer than October's climate norm of 62.2°F.
Sunrise will be at 7:31 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 52min.
The forecasted temperature range extends from a high of a comfortable 66.2°F to a low of a brisk 44.6°F.
Anticipated temperatures are trending slightly warmer than October's climate norm of 62.2°F.
Sunrise will be at 7:31 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 52min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 8%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphN 357°
- Humidity: 82%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphN 357°
- Humidity: 85%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphN 3°
- Humidity: 91%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphN 3°
- Humidity: 94%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 39°F
- Feels like:37°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphNNE 13°
- Humidity: 97%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNNE 14°
- Humidity: 82%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 8°
- Humidity: 64%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 355°
- Humidity: 49%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 357°
- Humidity: 42%
- 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: 4mphN 359°
- Humidity: 47%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:23 pm
- 8 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphWNW 283°
- Humidity: 67%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphSSW 202°
- Humidity: 77%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of cloudy and bright weather is predicted.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be a couple of degrees higher than October's average high. Tomorrow, the minimum temperature will be also similar to the average low for October.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be a couple of degrees higher than October's average high. Tomorrow, the minimum temperature will be also similar to the average low for October.
Updated: Oct 18, 2026 @ 03:36:17 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 Harrisburg, a bright and mostly cloud-free sky is in store.
Tomorrow, the highest temperature in Harrisburg will be 66.2°F, while the lowest temperature will be 44.6°F.
The highest temperature will be a few degrees higher than the average maximum of 62.2°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature will be a few degrees higher than the average maximum of 62.2°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Harrisburg, sunrise will be at 7:31 am and sunset at 6:23 pm (PDT).
In Harrisburg, tomorrow, there will be 10h and 52min of daylight.





