Weather forecast for tomorrowHarper, OR
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 72°F
- 36°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNNE 28°
- Humidity: 42%
- UV index: 3
- Sunrise: 8:09 am MDT
- Sunset: 7:01 pm MDT
- details ▼
On Sunday, in Harper, a bright and mostly cloud-free sky is in store.
Temperature values will vary noticeably, extending from an agreeable 71.6°F to a wintry 35.6°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 78.4°F, not October's.
Sunrise will be at 8:09 am and sunset at 7:01 pm; tomorrow's daylight will last for 10h and 53min.
Temperature values will vary noticeably, extending from an agreeable 71.6°F to a wintry 35.6°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 78.4°F, not October's.
Sunrise will be at 8:09 am and sunset at 7:01 pm; tomorrow's daylight will last for 10h and 53min.
Hourly overview
Hourly temperatures
Warmest hour: 6 pm 70°C.
Coldest period: 6 am - 9 am 41°C.
Coldest period: 6 am - 9 am 41°C.
Chance of precipitation
Highest chance: 1%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphW 263°
- Humidity: 44%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphW 270°
- Humidity: 49%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphW 273°
- Humidity: 55%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphWSW 254°
- Humidity: 61%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphWSW 256°
- Humidity: 65%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 8:09 am
- 10 am
- 50°F
- Feels like:50°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphW 263°
- Humidity: 52%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 61°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 45°
- Humidity: 38%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNE 55°
- Humidity: 32%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphENE 59°
- Humidity: 28%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphENE 67°
- Humidity: 27%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 7:01 pm
- 8 pm
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphENE 77°
- Humidity: 44%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphWNW 288°
- Humidity: 54%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of clear and cloudy weather is predicted.
The temperature will vary between a minimum of 39.2°F and a maximum of 69.8°F. The warmest part of the day will be from 4 pm to 6 pm.
The maximum temperature tomorrow will be more close to September's average high of 78.4°F than October's typical of 60.8°F. The lowest temperature tomorrow is more comparable to November's average minimum of 31.5°F than the average low in October of 43.7°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 69.8°F. The warmest part of the day will be from 4 pm to 6 pm.
The maximum temperature tomorrow will be more close to September's average high of 78.4°F than October's typical of 60.8°F. The lowest temperature tomorrow is more comparable to November's average minimum of 31.5°F than the average low in October of 43.7°F.
Updated: Oct 18, 2026 @ 01:06:08 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, mostly sunny and dry conditions will continue.
Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 35.6°F.
The highest temperature tomorrow will be notably higher than the average maximum of 60.8°F in October. The lowest temperature will be moderately lower than the average low of 43.7°F.
The highest temperature tomorrow will be notably higher than the average maximum of 60.8°F in October. The lowest temperature will be moderately lower than the average low of 43.7°F.
On Sunday, in Harper, sunrise will be at 8:09 am and sunset at 7:01 pm (MDT).
Tomorrow, the daylight will last for 10h and 53min.
