Weather forecast for tomorrowHeppner, OR

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphNE 44°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:18 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
On Sunday, October 18, uninterrupted sunshine is also anticipated.
The temperature is predicted to vary between a comfortable 62.6°F and a wintry 41°F.
The highest temperature is forecasted to be moderately higher than the average October peak of 58.6°F.
Sunrise will be at 7:18 am and sunset at 6:07 pm; tomorrow's daylight will last for 10h and 49min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 3 am - 6 am 4%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphS 188°
  • Humidity: 73%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSE 161°
  • Humidity: 77%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    37°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSE 156°
  • Humidity: 77%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    36°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSE 143°
  • Humidity: 79%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:18 am
  • 8 am
  • 41°F
  • Feels like:
    39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSE 138°
  • Humidity: 77%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 15°
  • Humidity: 56%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNNE 16°
  • Humidity: 45%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNNE 21°
  • Humidity: 40%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 36°
  • Humidity: 36%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNE 38°
  • Humidity: 38%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:07 pm
  • 8 pm
  • 48°F
  • Feels like:
    46°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphE 82°
  • Humidity: 54%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphESE 118°
  • Humidity: 63%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of clear and dull weather is forecasted.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 5 pm.
The highest temperature will be slightly warmer than October's average maximum of 58.6°F. The temperature low is forecasted to be also comparable to the usual October value of 43.3°F.
Updated: Oct 17, 2026 @ 17:30:04 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect sunny weather with a crisp, clear sky.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 41°F.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Heppner, sunrise will be at 7:18 am and sunset at 6:07 pm (PDT).

In Heppner, the length of the day tomorrow will be 10h and 49min.