Live Weather & Forecast
Weather in Sumner
Washington, United States · Real-time conditions & 3-day outlook
26°C
Feels like 27°C
78°F / Feels 80°F
Partly cloudy
Sumner, Washington
🌞 Daytime
Updated: 2026-04-11 17:15
Humidity
56%
Wind
31.3 km/h S
Wind Gust
41.4 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
2.5
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
17.8°C
Wind Degree
181°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
157.9 μg/m³
NO₂
4.2 μg/m³
O₃
82 μg/m³
SO₂
1.3 μg/m³
PM 2.5
3.9 μg/m³
PM 10
4.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sumner, Washington
12 AM
16°
Partly Cloudy
1 AM
15°
Cloudy
2 AM
15°
Overcast
3 AM
15°
Partly Cloudy
4 AM
15°
Clear
5 AM
14°
Clear
6 AM
14°
Mist
7 AM
15°
Overcast
8 AM
17°
Partly Cloudy
9 AM
18°
Sunny
10 AM
21°
Sunny
11 AM
22°
Sunny
12 PM
24°
Partly Cloudy
1 PM
24°
Partly Cloudy
2 PM
25°
Sunny
3 PM
25°
Partly Cloudy
4 PM
25°
Partly Cloudy
5 PM
26°
Partly cloudy
6 PM
26°
Sunny
7 PM
24°
Sunny
8 PM
23°
Sunny
9 PM
22°
Cloudy
10 PM
21°
Clear
11 PM
20°
Clear
3-Day Forecast
Daily overview for Sumner, Washington
Today
Sunny
26°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 07:01 AM
🌇 Sunset: 08:01 PM
🌙 Waning Crescent
🌑 Moon: 42% lit
Sun, Apr 12
Heavy rain
25°
/
18°
🌧️ 89% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 32 km/h
🌧️ Total precip: 24.15 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:59 AM
🌇 Sunset: 08:02 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
28°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 40 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:58 AM
🌇 Sunset: 08:03 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Best Time to Visit Sumner
Plan your trip to Sumner, 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
People also ask — answers optimized for search engines and voice queries.
What is the current weather in Sumner?
Current conditions in Sumner: Partly cloudy, temperature 26°C, humidity 56%.
What is the best time to visit Sumner?
The best time to visit Sumner is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sumner?
Sumner is located at approximately 37.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sumner?
The wettest period in Sumner is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sumner?
For visits to Sumner during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sumner in?
Sumner is located in United States, in the state of Washington.
What are the public holidays in Sumner in 2026?
View the 2026 public holidays for Sumner on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sumner?
The weather forecast for Sumner uses coordinates 37.2436, -97.4792.