Sumner — Weather
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Sign In22°C72°F· Drizzle · 64% cloud cover
Feels like 20°C68°F · Low 17°C62°F · High 23°C73°F
Wind
12 km/h3 m/s8 mph from W
Humidity
52%
Pressure
1015 hPa29.96 inHgstable
UV Index
2.2Moderate
Fair weather
Currently 22°C72°F and rain in Sumner.
🌧️ Long-range outlook (in 14 days): Local instability on Thursday, with rain. Total ~2.7 mm. Below the monthly normal (26 mm/month). Confidence drops at this range — details may shift before then.
🌡️ 23°C73°F today, 4.4°C39°F warmer than the July climate average (18°C64°F).
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
mminkm/hm/smphHumidity %
Daily Forecast
TodayW 15 km/h4 m/s9 mph(gusts 361023)63%UV 32hToday63%W 15 km/h4 m/s9 mph (gusts 361023)UV 32h
Today
W 15 km/h4 m/s9 mph(gusts 361023)63%UV 32h
Today
63%
W 15 km/h4 m/s9 mph (gusts 361023)
UV 3
2h
Today — Hourly Forecast
05:2915.5h21:00
TomorrowSW 15 km/h4 m/s9 mph(gusts 381023)64%UV 25hTomorrow64%SW 15 km/h4 m/s9 mph (gusts 381023)UV 25h
Tomorrow
SW 15 km/h4 m/s9 mph(gusts 381023)64%UV 25h
Tomorrow
64%
SW 15 km/h4 m/s9 mph (gusts 381023)
UV 2
5h
Tomorrow — Hourly Forecast
05:3015.5h20:59
SaturdayW 9 km/h3 m/s6 mph(gusts 24715)67%UV 29hSaturday67%W 9 km/h3 m/s6 mph (gusts 24715)UV 29h
Saturday
W 9 km/h3 m/s6 mph(gusts 24715)67%UV 29h
Saturday
67%
W 9 km/h3 m/s6 mph (gusts 24715)
UV 2
9h
Saturday — Forecast Overview
05:3115.5h20:58
SundayNW 13 km/h4 m/s8 mph(gusts 30819)62%UV 213hSunday62%NW 13 km/h4 m/s8 mph (gusts 30819)UV 213h
Sunday
NW 13 km/h4 m/s8 mph(gusts 30819)62%UV 213h
Sunday
62%
NW 13 km/h4 m/s8 mph (gusts 30819)
UV 2
13h
Sunday — Forecast Overview
05:3215.4h20:57
MondayN 10 km/h3 m/s6 mph(gusts 26716)54%UV 312hMonday54%N 10 km/h3 m/s6 mph (gusts 26716)UV 312h
Monday
N 10 km/h3 m/s6 mph(gusts 26716)54%UV 312h
Monday
54%
N 10 km/h3 m/s6 mph (gusts 26716)
UV 3
12h
Monday — Forecast Overview
05:3315.4h20:56
TuesdayW 12 km/h3 m/s7 mph(gusts 30818)61%UV 210hTuesday61%W 12 km/h3 m/s7 mph (gusts 30818)UV 210h
Tuesday
W 12 km/h3 m/s7 mph(gusts 30818)61%UV 210h
Tuesday
61%
W 12 km/h3 m/s7 mph (gusts 30818)
UV 2
10h
Night
18°C64°F
Morning
22°C71°F
Afternoon
31°C88°F
Evening
31°C88°F
05:3415.4h20:55
WednesdayW 8 km/h2 m/s5 mph(gusts 22614)59%UV 313hWednesday59%W 8 km/h2 m/s5 mph (gusts 22614)UV 313h
Wednesday
W 8 km/h2 m/s5 mph(gusts 22614)59%UV 313h
Wednesday
59%
W 8 km/h2 m/s5 mph (gusts 22614)
UV 3
13h
Night
15°C60°F
Morning
23°C73°F
Afternoon
23°C73°F
Evening
27°C81°F
05:3515.3h20:54
ThursdayW 12 km/h3 m/s8 mph(gusts 27817)65%UV 311hThursday65%W 12 km/h3 m/s8 mph (gusts 27817)UV 311h
Thursday
W 12 km/h3 m/s8 mph(gusts 27817)65%UV 311h
Thursday
65%
W 12 km/h3 m/s8 mph (gusts 27817)
UV 3
11h
Night
15°C59°F
Morning
24°C74°F
Afternoon
24°C74°F
Evening
25°C76°F
05:3715.3h20:53
FridaySW 12 km/h3 m/s7 mph(gusts 22614)63%15hFriday63%SW 12 km/h3 m/s7 mph (gusts 22614)15h
Friday
SW 12 km/h3 m/s7 mph(gusts 22614)63%15h
Friday
63%
SW 12 km/h3 m/s7 mph (gusts 22614)
15h
Night
15°C60°F
Morning
24°C76°F
Afternoon
24°C76°F
Evening
22°C72°F
05:3815.2h20:52
SaturdaySW 16 km/h4 m/s10 mph63%15hSaturday63%SW 16 km/h4 m/s10 mph15h
Saturday
SW 16 km/h4 m/s10 mph63%15h
Saturday
63%
SW 16 km/h4 m/s10 mph
15h
Night
13°C56°F
Morning
22°C72°F
Afternoon
22°C72°F
Evening
21°C70°F
05:3915.2h20:51
SundaySW 8 km/h2 m/s5 mph69%15hSunday69%SW 8 km/h2 m/s5 mph15h
Sunday
SW 8 km/h2 m/s5 mph69%15h
Sunday
69%
SW 8 km/h2 m/s5 mph
15h
Night
12°C54°F
Morning
17°C63°F
Afternoon
17°C63°F
Evening
21°C70°F
05:4015.2h20:50
MondaySW 13 km/h3 m/s8 mph(gusts 24715)62%15hMonday62%SW 13 km/h3 m/s8 mph (gusts 24715)15h
Monday
SW 13 km/h3 m/s8 mph(gusts 24715)62%15h
Monday
62%
SW 13 km/h3 m/s8 mph (gusts 24715)
15h
Night
13°C55°F
Morning
23°C73°F
Afternoon
23°C73°F
Evening
23°C74°F
05:4115.1h20:49
TuesdaySW 10 km/h3 m/s6 mph70%14hTuesday70%SW 10 km/h3 m/s6 mph14h
Tuesday
SW 10 km/h3 m/s6 mph70%14h
Tuesday
70%
SW 10 km/h3 m/s6 mph
14h
Night
14°C56°F
Morning
20°C67°F
Afternoon
20°C67°F
Evening
20°C69°F
05:4315.1h20:47
Wednesday1.0 mm0.04 inSW 13 km/h4 m/s8 mph(gusts 24715)66%15hWednesday66%SW 13 km/h4 m/s8 mph (gusts 24715)1.0 mm0.04 in15h
Wednesday
1.0 mm0.04 inSW 13 km/h4 m/s8 mph(gusts 24715)66%15h
Wednesday
66%
SW 13 km/h4 m/s8 mph (gusts 24715)
1.0 mm0.04 in
15h
Night
16°C61°F
Morning
19°C65°F
Afternoon
19°C65°F
Evening
19°C67°F
05:4415h20:46
Thursday2.7 mm0.11 inSW 16 km/h4 m/s10 mph(gusts 30819)76%15hThursday76%SW 16 km/h4 m/s10 mph (gusts 30819)2.7 mm0.11 in15h
Thursday
2.7 mm0.11 inSW 16 km/h4 m/s10 mph(gusts 30819)76%15h
Thursday
76%
SW 16 km/h4 m/s10 mph (gusts 30819)
2.7 mm0.11 in
15h
Night
10°C49°F
Morning
17°C62°F
Afternoon
17°C62°F
Evening
14°C56°F
05:4515h20:45
FridayS 17 km/h5 m/s10 mph(gusts 34921)74%15hFriday74%S 17 km/h5 m/s10 mph (gusts 34921)15h
Friday
S 17 km/h5 m/s10 mph(gusts 34921)74%15h
Friday
74%
S 17 km/h5 m/s10 mph (gusts 34921)
15h
Night
10°C49°F
Morning
15°C60°F
Afternoon
15°C60°F
Evening
18°C64°F
05:4615h20:44
Sunrise
05:29
Civil Dawn 04:59
Sunset
21:00
Civil Dusk 21:30
Today vs. seasonal normal
-2.3°C-4.2°F
Sumner is located in Washington, United States. Elevation: 20m. Annual average temperature: 11°C. Annual precipitation: 1069mm.
Frequently Asked Questions
What is the weather like in Sumner today?
Today in Sumner, United States, the temperature is 22°C with Drizzle. The high is 23°C and the low is 17°C.
What is the 16-day forecast for Sumner?
The 16-day forecast for Sumner shows the warmest day is Monday at 33°C, while the coolest night is Friday at 10°C. 4 day(s) have precipitation expected.
What time is sunrise and sunset in Sumner?
In Sumner, sunrise is at 05:29 and sunset is at 21:00. Day length is approximately 15h 30m.
How accurate is the weather forecast for Sumner?
Our forecasts for Sumner use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Sumner has an annual average temperature of 11°C and receives 1069mm of precipitation per year.
Last updated: 07/16/2026, 02:00 PM
July climate in Sumner
Normals for July: average 18°C (11–25°C), around 26 mm of rain across the month. About 8°C warmer than the annual average of 11°C.
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