Prosser, WA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Prosser, WA in one place.
Sunny, with a high near 64. Southeast wind 0 to 3 mph.
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: Oct 12, 2026 1:00 AM PDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Prosser, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 1:00 AM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Prosser
Friday looks like the warmest upcoming period in Prosser at 73 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Thursday at about 1 to 5 mph N.
The forecast from Oct 13 through Oct 18 stays mostly dry.
Forecast Details
- Last updated
- Oct 12, 2026 1:00 AM PDT
- Coverage
- 6 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
Mostly clear, with a low around 40. East wind around 2 mph.
Sunny, with a high near 70.
Clear, with a low around 43.
Sunny, with a high near 70.
Mostly clear, with a low around 43.
Sunny, with a high near 73.
Mostly clear, with a low around 44.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
64°F |
0 to 3 mph
SE
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
40°F |
2 mph
E
|
|
Wednesday
Oct 14
|
Sunny
|
70°F |
2 mph
S
|
|
Wednesday Night
Oct 14
|
Clear
|
43°F |
2 mph
NE
|
|
Thursday
Oct 15
|
Sunny
|
70°F |
1 to 5 mph
N
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
43°F |
1 to 5 mph
N
|
|
Friday
Oct 16
|
Sunny
|
73°F |
2 mph
NE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
44°F |
2 mph
NE
|
|
Saturday
Oct 17
|
Mostly Sunny
|
73°F |
0 to 5 mph
W
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
43°F |
5 mph
W
|
|
Sunday
Oct 18
|
Mostly Sunny
|
68°F |
3 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Prosser.
