Live Weather & Forecast
Weather in Prosser
Washington, United States · Real-time conditions & 3-day outlook
14°C
Feels like 12°C
57°F / Feels 54°F
Sunny
Prosser, Washington
🌞 Daytime
Updated: 2026-04-13 09:15
Humidity
51%
Wind
21.6 km/h W
Wind Gust
24.8 km/h
Pressure
1012 mb
Visibility
16 km
UV Index
1.3
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
3.8°C
Wind Degree
273°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
151.9 μg/m³
NO₂
1.4 μg/m³
O₃
91 μg/m³
SO₂
1 μg/m³
PM 2.5
1.2 μg/m³
PM 10
1.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Prosser, Washington
12 AM
11°
Clear
1 AM
11°
Clear
2 AM
11°
Clear
3 AM
11°
Clear
4 AM
10°
Clear
5 AM
10°
Clear
6 AM
10°
Clear
7 AM
10°
Sunny
8 AM
11°
Sunny
9 AM
14°
Sunny
10 AM
14°
Sunny
11 AM
15°
Sunny
12 PM
16°
Sunny
1 PM
17°
Overcast
2 PM
17°
Overcast
3 PM
17°
Overcast
4 PM
17°
Overcast
5 PM
17°
Partly Cloudy
6 PM
16°
Overcast
7 PM
15°
Overcast
8 PM
14°
Clear
9 PM
13°
Clear
10 PM
10°
Clear
11 PM
8°
Partly Cloudy
3-Day Forecast
Daily overview for Prosser, Washington
Today
Sunny
18°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 51%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
12°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 38.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Cloudy
12°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 55%
💨 Max wind: 41 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:47 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Prosser
Plan your trip to Prosser, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Prosser?
Current conditions in Prosser: Sunny, temperature 14°C, humidity 51%.
What is the best time to visit Prosser?
The best time to visit Prosser is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Prosser?
Prosser is located at approximately 46.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Prosser?
The wettest period in Prosser is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Prosser?
For visits to Prosser during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Prosser in?
Prosser is located in United States, in the state of Washington.
What are the public holidays in Prosser in 2026?
View the 2026 public holidays for Prosser on our Holidays page.
What are the GPS coordinates used for the weather forecast in Prosser?
The weather forecast for Prosser uses coordinates 46.2068, -119.7692.