Prosser, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Prosser, WA in one place.
Mostly sunny, with a high near 63.
Local Weather Overview
This forecast page for Prosser, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 12:44 PM PDT.
The active forecast window currently covers Apr 13 to Apr 15, 2026 for Prosser, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 13 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 12:44 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Prosser
Monday looks like the warmest upcoming period in Prosser at 63 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Wednesday at about 14 to 18 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 12:44 PM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 38.
Partly sunny, with a high near 62.
A chance of rain after 5am. Mostly cloudy, with a low around 42.
A chance of rain before 5pm. Partly sunny, with a high near 60.
Partly cloudy, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Mostly Sunny
|
63°F |
14 mph
SW
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
38°F |
9 to 14 mph
SW
|
|
Tuesday
Apr 14
|
Partly Sunny
|
62°F |
9 to 15 mph
SW
|
|
Tuesday Night
Apr 14
|
Mostly Cloudy then Chance Light Rain
|
42°F |
15 mph
SW
|
|
Wednesday
Apr 15
|
Chance Light Rain
|
60°F |
14 to 18 mph
SW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
37°F |
7 to 17 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Prosser.