Weather forecast for 10 daysRichland, OR
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNW 312°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:08 am PDT
- Sunset: 5:59 pm PDT
- details ▼
Tomorrow, uninterrupted sunshine is also anticipated.
A remarkable high of a warm 73.4°F during the day and a stark low of a cold 39.2°F at night are expected.
Tomorrow, it will be warmer, and the temperature will align more with September's typical maximum of 71.2°F.
Sunrise will be at 7:08 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 50min.
A remarkable high of a warm 73.4°F during the day and a stark low of a cold 39.2°F at night are expected.
Tomorrow, it will be warmer, and the temperature will align more with September's typical maximum of 71.2°F.
Sunrise will be at 7:08 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 50min.
10-day overview
Daily temperatures
Warmest period: tomorrow - Tuesday 73°C.
Coldest period: Friday - Saturday 55°C.
Coldest period: Friday - Saturday 55°C.
Chance of precipitation
Highest chance: Thursday 53%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 34°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphW 272°
- Humidity: 80%
- UV index: 0
- Sunrise: 7:07 am PDT
- Sunset: 6:00 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 73°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNW 312°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:08 am PDT
- Sunset: 5:59 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 73°F
- 36°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 153°
- Humidity: 37%
- UV index: 3
- Sunrise: 7:09 am PDT
- Sunset: 5:57 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 41°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNW 308°
- Humidity: 45%
- UV index: 2
- Sunrise: 7:11 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphNW 321°
- Humidity: 56%
- UV index: 2
- Sunrise: 7:12 am PDT
- Sunset: 5:54 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 41°F
Showers
- Precip. probability: 53%
- Precipitation: 0.31"
- Wind: 5mphNW 308°
- Humidity: 71%
- UV index: 2
- Sunrise: 7:13 am PDT
- Sunset: 5:52 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 55°F
- 30°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphNW 304°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:15 am PDT
- Sunset: 5:50 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 32°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 6mphNW 326°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:16 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 6mphWNW 284°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:17 am PDT
- Sunset: 5:47 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 32°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 5mphWNW 283°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:19 am PDT
- Sunset: 5:46 pm PDT
- details ▼
Looking ahead, conditions suggest a period of cloud-filled, mostly clear and rainy weather is expected.
With a 53% probability, rainfall is forecasted only for Thursday. The precipitation will be light at 0.31".
Temperature variation will be noticeable in the upcoming period. Forecast highs will fluctuate between 55.4°F and 73.4°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 30.2°F to 44.6°F.
With a maximum temperature of 73.4°F, Sunday through Tuesday will be the warmest days in Richland; the coldest days will be Friday and next Saturday, with a maximum of 55.4°F.
With a 53% probability, rainfall is forecasted only for Thursday. The precipitation will be light at 0.31".
Temperature variation will be noticeable in the upcoming period. Forecast highs will fluctuate between 55.4°F and 73.4°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 30.2°F to 44.6°F.
With a maximum temperature of 73.4°F, Sunday through Tuesday will be the warmest days in Richland; the coldest days will be Friday and next Saturday, with a maximum of 55.4°F.
Updated: Oct 18, 2026 @ 05:17:12 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, a sun-drenched sky is anticipated.
Tomorrow, the highest temperature will be 73.4°F, while the lowest temperature will be 39.2°F.
Tomorrow, the highest temperature will be noticeably higher than the average maximum of 55.2°F in October. The lowest temperature will be in line with the average low of 36.5°F.
Tomorrow, the highest temperature will be noticeably higher than the average maximum of 55.2°F in October. The lowest temperature will be in line with the average low of 36.5°F.
On Sunday, in Richland, sunrise will be at 7:08 am and sunset at 5:59 pm (PDT).
Tomorrow, the daylight will last for 10h and 50min.
