Weather forecast for tomorrowPrineville, OR

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 68°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 7mphWNW 290°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:22 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Tomorrow, on Sunday, October 18, dry and sunny weather is expected throughout the day.
Temperature readings are anticipated to span from a high of an agreeable 68°F to a low of a cold 33.8°F.
Tomorrow, the forecasted high of 68°F is more in line with September's average of 70.9°F than October's 57.6°F.
Sunrise will be at 7:22 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 52min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 34°C.

Chance of precipitation

Highest chance: 9 am 19%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphW 262°
  • Humidity: 87%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 1mphSSE 167°
  • Humidity: 91%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 37°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 1mphS 173°
  • Humidity: 91%
  • Pressure: 30.15"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 34°F
  • Feels like:
    34°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 1mphSSE 154°
  • Humidity: 94%
  • Pressure: 30.15"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Sunrise: 7:22 am
  • 8 am
  • 34°F
  • Feels like:
    34°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 1mphSE 131°
  • Humidity: 99%
  • Pressure: 30.15"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
  • 10 am
  • 48°F
  • Feels like:
    48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSE 143°
  • Humidity: 71%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphS 181°
  • Humidity: 55%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 309°
  • Humidity: 43%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNW 315°
  • Humidity: 36%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNW 314°
  • Humidity: 39%
  • Pressure: 29.85"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphWNW 285°
  • Humidity: 55%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphWSW 247°
  • Humidity: 66%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of cloudy and bright weather is anticipated.
The temperature will vary between the lowest temperature of 32°F and the highest temperature of 66.2°F. The warmest part of the day will be at 4 pm and 5 pm.
The maximum temperature will align more closely with September's average high of 70.9°F than with October's 57.6°F. The expected low will be more resembling what’s common in November than the current October average of 39.6°F.
Updated: Oct 17, 2026 @ 16:57:56 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, a glowing sky and minimal clouds are expected.

Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 33.8°F.
The maximum temperature will be significantly higher than the average highest temperature of 57.6°F in October. Tomorrow, the lowest temperature will be slightly cooler than the average low temperature.

On Sunday, in Prineville, sunrise will be at 7:22 am and sunset at 6:14 pm (PDT).

In Prineville, tomorrow, there will be 10h and 52min of daylight.