Weather for 99350 — Prosser, WA
Conditions and forecast for the exact centre of ZIP code 99350 (46.223, -119.771), not a nearby airport.
46°
Partly cloudy
- Feels like:
- 45°
- Humidity:
- 74%
- Wind:
- 2 mph
- Dew point:
- 38°
Source updated: 1:55:43 PM · WeatherSignal checked: 1:55:43 PM
Next 12 hours in 99350
2 PM
46°
0%
3 PM
46°
0%
4 PM
52°
0%
5 PM
57°
0%
6 PM
61°
0%
7 PM
65°
0%
8 PM
68°
0%
9 PM
71°
0%
10 PM
72°
0%
11 PM
72°
0%
12 AM
70°
0%
1 AM
63°
0%
7 day forecast for 99350
Today
72° / 46°
0% rain · 6 mph wind
Saturday, Oct 17
71° / 45°
0% rain · 9 mph wind
Sunday, Oct 18
69° / 44°
0% rain · 11 mph wind
Monday, Oct 19
64° / 50°
0% rain · 7 mph wind
Tuesday, Oct 20
59° / 45°
0% rain · 5 mph wind
Wednesday, Oct 21
66° / 47°
0% rain · 3 mph wind
Thursday, Oct 22
68° / 47°
0% rain · 3 mph wind
About ZIP code 99350
99350 covers Prosser in Washington. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.
Closest cities with full forecast pages: Gresham (137 mi), Kent (141 mi), Vancouver (144 mi), Tacoma (145 mi).
Nearby ZIP codes
Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.
Planning your week in Prosser 99350, Washington
- The warmest afternoon ahead is today, reaching about 72°F.
- The coldest night ahead dips to about 44°F.
- This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.
Common questions about Prosser 99350, Washington weather
- How accurate is the Prosser 99350, Washington forecast?
- The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
- What is the best day this week in Prosser 99350, Washington?
- No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
- Where does this forecast come from?
- Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
- How often is this page updated?
- The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.
More weather for Prosser 99350, Washington
- Current weather in Prosser 99350, Washington
- Prosser 99350, Washington hourly forecast
- Prosser 99350, Washington weather tomorrow
- Prosser 99350, Washington weekend weather
- Prosser 99350, Washington weather radar
- Prosser 99350, Washington severe weather alerts
- Best time to go outside in Prosser 99350, Washington
- What happened overnight in Prosser 99350, Washington
- How accurate is the Prosser 99350, Washington forecast?
- Prosser 99350, Washington monthly weather averages
Weather in nearby cities
- Gresham, OR weather · about 137 miles away
- Kent, WA weather · about 141 miles away
- Vancouver, WA weather · about 144 miles away
- Tacoma, WA weather · about 145 miles away
- Portland, OR weather · about 148 miles away
- Spokane, WA weather · about 148 miles away