Weather forecast for 10 daysRichland, OR
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 37°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNNW 331°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:08 am PDT
- Sunset: 5:59 pm PDT
- details ▼
Today, on Sunday, October 18, occasional cloudiness will be present, but there will still be plenty of sun.
A daytime temperature reaching up to a moderately hot 73.4°F will sharply contrast with a nighttime low of an icy 37.4°F.
Temperatures are higher than average, more in line with September's norm of 71.2°F than with October's 55.2°F.
Sunrise will be at 7:08 am and sunset at 5:59 pm; the daylight will last for 10h and 50min.
A daytime temperature reaching up to a moderately hot 73.4°F will sharply contrast with a nighttime low of an icy 37.4°F.
Temperatures are higher than average, more in line with September's norm of 71.2°F than with October's 55.2°F.
Sunrise will be at 7:08 am and sunset at 5:59 pm; the daylight will last for 10h and 50min.
10-day overview
Daily temperatures
Warmest period: today - Tuesday 73°C.
Coldest day: Tuesday 27.10. 54°C.
Coldest day: Tuesday 27.10. 54°C.
Chance of precipitation
Highest chance: Thursday 59%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 73°F
- 37°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNNW 331°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:08 am PDT
- Sunset: 5:59 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 73°F
- 39°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 152°
- Humidity: 37%
- UV index: 3
- Sunrise: 7:09 am PDT
- Sunset: 5:57 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWNW 302°
- Humidity: 43%
- UV index: 2
- Sunrise: 7:11 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 46°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0.12"
- Wind: 5mphNW 321°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:12 am PDT
- Sunset: 5:54 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 39°F
Showers
- Precip. probability: 59%
- Precipitation: 0.28"
- Wind: 6mphWNW 292°
- Humidity: 72%
- UV index: 2
- Sunrise: 7:13 am PDT
- Sunset: 5:52 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 28°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 10mphWNW 300°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:15 am PDT
- Sunset: 5:50 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSW 226°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:16 am PDT
- Sunset: 5:49 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.12"
- Wind: 6mphWNW 286°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:17 am PDT
- Sunset: 5:47 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 55°F
- 32°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphWNW 286°
- Humidity: 68%
- UV index: 2
- Sunrise: 7:19 am PDT
- Sunset: 5:46 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 54°F
- 30°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphW 278°
- Humidity: 70%
- UV index: 2
- Sunrise: 7:20 am PDT
- Sunset: 5:44 pm PDT
- details ▼
Over the next ten days, a mix of primarily cloudy and occasionally dry and sunny and wet weather is predicted.
Rain is expected on Wednesday, Thursday and next Sunday.
Substantial differences in temperature are forecasted in the upcoming days. The temperature is expected to swing from 53.6°F up to 73.4°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 28.4°F and 46.4°F.
With a maximum temperature of 73.4°F, Sunday through Tuesday will be the warmest days in Richland; with the highest temperature of 53.6°F, next Tuesday will be the coldest day.
Rain is expected on Wednesday, Thursday and next Sunday.
Substantial differences in temperature are forecasted in the upcoming days. The temperature is expected to swing from 53.6°F up to 73.4°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 28.4°F and 46.4°F.
With a maximum temperature of 73.4°F, Sunday through Tuesday will be the warmest days in Richland; with the highest temperature of 53.6°F, next Tuesday will be the coldest day.
Updated: Oct 18, 2026 @ 13:57:03 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
On Sunday, mostly clear with scattered clouds is expected.
Today, the highest temperature will be 73.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature today will be notably higher than the average highest temperature of 55.2°F in October. The lowest temperature will be in line with the average low of 36.5°F.
The maximum temperature today will be notably higher than the average highest temperature 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).
In Richland, the length of the day today will be 10h and 50min.





