Weather in Prosser, WA
Updated 2026-08-11 10:45 local time · ZIP codes 99350

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
76°1% rain
91°0% rain
92°0% rain
93°0% rain
94°0% rain
94°0% rain
94°0% rain
93°0% rain
91°0% rain
86°0% rain
80°1% rain
72°7% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 7%).
It feels like 76°F with winds near 4 mph.
86°F, 0% rain chance and 8 mph wind.
Visibility is around 10 mi; gusts may reach 17 mph.
Current temperature is 76°F, wind 4 mph, rain chance up to 7%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Prosser weather today
Sunny and 76°F in Prosser, WA. Today's high is 94°F with a 1% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 41%, pressure is 29.99 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Prosser
Sunrise is at 05:53 AM and sunset is at 08:15 PM. Tomorrow's forecast calls for Sunny with a high near 91°F and a low near 59°F. The maximum rain chance is 1%.