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 71.
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: May 27, 2026 10:46 PM PDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Prosser, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 10:46 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Prosser
Wednesday looks like the warmest upcoming period in Prosser at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Saturday Night at about 7 to 13 mph W.
The forecast from May 30 through Jun 3 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 10:46 PM PDT
- Coverage
- 5 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 42.
Sunny, with a high near 73.
Mostly clear, with a low around 45.
Sunny, with a high near 79.
Partly cloudy, with a low around 51.
Sunny, with a high near 84.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
71°F |
7 to 12 mph
SW
|
|
Saturday Night
May 30
|
Partly Cloudy
|
42°F |
7 to 13 mph
W
|
|
Sunday
May 31
|
Sunny
|
73°F |
3 to 8 mph
SW
|
|
Sunday Night
May 31
|
Mostly Clear
|
45°F |
6 mph
SW
|
|
Monday
Jun 1
|
Sunny
|
79°F |
6 mph
N
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
51°F |
6 mph
N
|
|
Tuesday
Jun 2
|
Sunny
|
84°F |
8 mph
NE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
54°F |
7 mph
N
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
85°F |
6 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Prosser.