Weather forecast for 10 daysProsser, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphN 356°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 6:07 pm PDT
- details ▼
On Sunday, in Prosser, sunshine will prevail for most of the day.
The highest temperature will be a breezy 66.2°F, while the lowest temperature will be an icy 41°F.
The expected maximum temperature will be moderately higher than October's typical high of 61.3°F.
Sunrise will be at 7:20 am and sunset at 6:07 pm; tomorrow's daylight will last for 10h and 47min.
The highest temperature will be a breezy 66.2°F, while the lowest temperature will be an icy 41°F.
The expected maximum temperature will be moderately higher than October's typical high of 61.3°F.
Sunrise will be at 7:20 am and sunset at 6:07 pm; tomorrow's daylight will last for 10h and 47min.
10-day overview
Daily temperatures
Warmest day: Tuesday 68°C.
Coldest period: Saturday - Monday 57°C.
Coldest period: Saturday - Monday 57°C.
Chance of precipitation
Highest chance: 14%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 34°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNW 305°
- Humidity: 75%
- UV index: 0
- Sunrise: 7:19 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphN 356°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 39°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSE 162°
- Humidity: 47%
- UV index: 1
- Sunrise: 7:22 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 37°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphN 351°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:23 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSE 135°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:24 am PDT
- Sunset: 6:02 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 39°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 3mphSW 219°
- Humidity: 61%
- UV index: 2
- Sunrise: 7:26 am PDT
- Sunset: 6:00 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 63°F
- 32°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphW 261°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:27 am PDT
- Sunset: 5:58 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 5mphE 96°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:29 am PDT
- Sunset: 5:57 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 4mphN 349°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:30 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 3mphS 186°
- Humidity: 68%
- UV index: 2
- Sunrise: 7:32 am PDT
- Sunset: 5:54 pm PDT
- details ▼
Ten-day trends indicate that primarily cloud-filled and occasionally mostly clear weather is anticipated.
Rainfall is not expected in Prosser in the upcoming period.
In the upcoming period, the maximum temperature will range between 57.2°F and 68°F, while the lowest temperature will be between 32°F and 41°F.
The warmest day will be Tuesday, with a maximum of 68°F; with a maximum temperature of 57.2°F, next Saturday through next Monday will be the coldest days.
Rainfall is not expected in Prosser in the upcoming period.
In the upcoming period, the maximum temperature will range between 57.2°F and 68°F, while the lowest temperature will be between 32°F and 41°F.
The warmest day will be Tuesday, with a maximum of 68°F; with a maximum temperature of 57.2°F, next Saturday through next Monday will be the coldest days.
Updated: Oct 18, 2026 @ 01:42:14 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, in Prosser, mainly sunny conditions will dominate the day.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 41°F.
The highest temperature tomorrow will be relatively higher than the average maximum temperature in October. The lowest temperature will be also relatively lower than the average low of 45.9°F.
The highest temperature tomorrow will be relatively higher than the average maximum temperature in October. The lowest temperature will be also relatively lower than the average low of 45.9°F.
On Sunday, in Prosser, sunrise will be at 7:20 am and sunset at 6:07 pm (PDT).
Tomorrow, the daylight will last for 10h and 47min.
