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 96.
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: Jul 12, 2026 12:27 AM PDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Prosser, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 12:27 AM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Prosser
Tuesday looks like the warmest upcoming period in Prosser at 96 degrees F.
Thursday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Thursday at about 7 to 12 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 12:27 AM 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 65.
A chance of rain showers after 5pm. Sunny, with a high near 95. Chance of precipitation is 30%.
A chance of rain showers before 11pm. Partly cloudy, with a low around 62.
Sunny, with a high near 92.
Mostly clear, with a low around 59.
Sunny, with a high near 92.
Mostly clear, with a low around 61.
Sunny, with a high near 96.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Mostly Sunny
|
96°F |
2 to 6 mph
SW
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
65°F |
6 mph
SW
|
|
Wednesday
Jul 15
|
Sunny then Chance Rain Showers
|
95°F |
5 mph
SW
|
|
Wednesday Night
Jul 15
|
Chance Rain Showers then Partly Cloudy
|
62°F |
5 to 9 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
92°F |
7 to 12 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
59°F |
5 to 12 mph
W
|
|
Friday
Jul 17
|
Sunny
|
92°F |
5 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
61°F |
5 mph
W
|
|
Saturday
Jul 18
|
Sunny
|
96°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Prosser.
