Sumner — Weather

Live20 strikes0.2/minStorm approaching — ETA 31 minclosing inJust updated
Overcast
20°C68°F· Overcast · 77% cloud cover
Feels like 18°C65°F · Low 17°C62°F · High 23°C73°F
Wind
11 km/h3 m/s7 mph from SW
Humidity
54%
Pressure
1015 hPa29.97 inHgstable
UV Index
1.3Low

Fair weather

Currently 20°C68°F and overcast in Sumner.

⚡ Active lightning nearby — 4 strikes within 50 km in the last 30 min (nearest 26 km).

🌡️ 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

10°C50°F15°C59°F20°C68°F25°C77°F30°C86°F0mm0.00in0.1mm0.00in0.2mm0.01in0.3mm0.01in0.4mm0.02in0.5mm0.02in11:0017:0023:0005:0011:0017:0023:0006:0012:0018:0021:00
TemperaturePrecipitationWind
Now
Overcast
20°C68°F
117
54
12:00
Drizzle
21°C70°F
106
53
13:00
Light rain
21°C70°F
0.20.01
127
55
14:00
Drizzle
22°C72°F
128
52
15:00
Partly cloudy
23°C73°F
138
52
16:00
Partly cloudy
22°C72°F
159
56
17:00
Partly cloudy
21°C70°F
149
59
18:00
Partly cloudy
21°C69°F
128
62
19:00
Overcast
20°C67°F
127
65
20:00
Overcast
18°C65°F
117
70
21:00
Overcast
17°C63°F
106
72
22:00
Overcast
17°C62°F
74
74
23:00
Overcast
17°C62°F
42
76
00:00
Overcast
16°C62°F
21
78
01:00
Partly cloudy
16°C60°F
21
81
02:00
Overcast
15°C59°F
42
84
03:00
Overcast
15°C59°F
42
84
04:00
Overcast
15°C59°F
22
82
05:00
Overcast
15°C59°F
21
82
06:00
Overcast
15°C59°F
21
82
07:00
Overcast
15°C60°F
21
78
08:00
Partly cloudy
16°C61°F
32
71
09:00
Partly cloudy
18°C64°F
32
65
10:00
Partly cloudy
20°C67°F
42
59
11:00
Partly cloudy
21°C71°F
75
50
12:00
Clear
23°C74°F
95
42
13:00
Partly cloudy
24°C75°F
96
39
14:00
Clear
25°C77°F
106
37
15:00
Overcast
26°C78°F
117
36
16:00
Overcast
25°C77°F
149
40
17:00
Partly cloudy
23°C74°F
159
49
18:00
Partly cloudy
22°C72°F
138
56
19:00
Partly cloudy
21°C70°F
106
60
20:00
Overcast
20°C69°F
75
62
21:00
Overcast
19°C66°F
53
68
22:00
Partly cloudy
18°C64°F
53
75
23:00
Clear
17°C62°F
53
82
00:00
Clear
15°C60°F
42
88
03:00
Clear
14°C57°F
32
94
06:00
Partly cloudy
13°C56°F
32
93
09:00
Partly cloudy
17°C63°F
63
68
12:00
Partly cloudy
22°C72°F
53
50
15:00
Clear
25°C77°F
85
44
18:00
Clear
25°C77°F
75
42
21:00
Partly cloudy
20°C68°F
64
59
mminkm/hm/smphHumidity %

Daily Forecast

Light rain
Today
·Light rain
SW 15 km/h4 m/s9 mph(gusts 361023)61%UV 33h
17°C62°F
23°C73°F
Today
Light rain
Light rain
61%
SW 15 km/h4 m/s9 mph (gusts 361023)
UV 3
3h
17°C62°F
23°C73°F
Overcast
Tomorrow
·Overcast
SW 15 km/h4 m/s9 mph(gusts 381023)64%UV 25h
15°C59°F
26°C78°F
Tomorrow
Overcast
Overcast
64%
SW 15 km/h4 m/s9 mph (gusts 381023)
UV 2
5h
15°C59°F
26°C78°F
Partly cloudy
Saturday
·Partly cloudy
W 9 km/h3 m/s6 mph(gusts 24715)67%UV 29h
13°C56°F
25°C77°F
Saturday
Partly cloudy
Partly cloudy
67%
W 9 km/h3 m/s6 mph (gusts 24715)
UV 2
9h
13°C56°F
25°C77°F
Clear
Sunday
·Clear
NW 13 km/h4 m/s8 mph(gusts 30819)62%UV 213h
13°C55°F
30°C86°F
Sunday
Clear
Clear
62%
NW 13 km/h4 m/s8 mph (gusts 30819)
UV 2
13h
13°C55°F
30°C86°F
Clear
Monday
·Clear
N 10 km/h3 m/s6 mph(gusts 26716)53%UV 312h
13°C56°F
33°C92°F
Monday
Clear
Clear
53%
N 10 km/h3 m/s6 mph (gusts 26716)
UV 3
12h
13°C56°F
33°C92°F
Partly cloudy
Tuesday
·Partly cloudy
SW 12 km/h3 m/s7 mph(gusts 30818)60%UV 210h
16°C60°F
32°C89°F
Tuesday
Partly cloudy
Partly cloudy
60%
SW 12 km/h3 m/s7 mph (gusts 30818)
UV 2
10h
16°C60°F
32°C89°F
Clear
Wednesday
·Clear
W 8 km/h2 m/s5 mph(gusts 22614)59%UV 313h
14°C56°F
30°C86°F
Wednesday
Clear
Clear
59%
W 8 km/h2 m/s5 mph (gusts 22614)
UV 3
13h
14°C56°F
30°C86°F
Clear
Thursday
·Clear
W 11 km/h3 m/s7 mph(gusts 27817)63%UV 311h
14°C56°F
31°C87°F
Thursday
Clear
Clear
63%
W 11 km/h3 m/s7 mph (gusts 27817)
UV 3
11h
14°C56°F
31°C87°F
Clear
Friday
·Clear
SW 12 km/h3 m/s7 mph(gusts 20613)59%15h
13°C56°F
31°C88°F
Friday
Clear
Clear
59%
SW 12 km/h3 m/s7 mph (gusts 20613)
15h
13°C56°F
31°C88°F
Clear
Saturday
·Clear
SW 12 km/h3 m/s8 mph(gusts 23614)61%15h
11°C52°F
29°C84°F
Saturday
Clear
Clear
61%
SW 12 km/h3 m/s8 mph (gusts 23614)
15h
11°C52°F
29°C84°F
Clear
Sunday
·Clear
SW 9 km/h3 m/s6 mph(gusts 20512)61%15h
11°C52°F
27°C81°F
Sunday
Clear
Clear
61%
SW 9 km/h3 m/s6 mph (gusts 20512)
15h
11°C52°F
27°C81°F
Clear
Monday
·Clear
SW 13 km/h3 m/s8 mph(gusts 22614)68%15h
11°C52°F
27°C80°F
Monday
Clear
Clear
68%
SW 13 km/h3 m/s8 mph (gusts 22614)
15h
11°C52°F
27°C80°F
Drizzle
Tuesday
·Drizzle
S 7 km/h2 m/s5 mph78%15h
13°C55°F
22°C71°F
Tuesday
Drizzle
Drizzle
78%
S 7 km/h2 m/s5 mph
15h
13°C55°F
22°C71°F
Clear
Wednesday
·Clear
NE 12 km/h3 m/s7 mph63%15h
13°C55°F
31°C87°F
Wednesday
Clear
Clear
63%
NE 12 km/h3 m/s7 mph
15h
13°C55°F
31°C87°F
Clear
Thursday
·Clear
N 10 km/h3 m/s6 mph52%15h
16°C60°F
37°C99°F
Thursday
Clear
Clear
52%
N 10 km/h3 m/s6 mph
15h
16°C60°F
37°C99°F
Clear
Friday
·Clear
SW 13 km/h4 m/s8 mph50%15h
17°C62°F
35°C95°F
Friday
Clear
Clear
50%
SW 13 km/h4 m/s8 mph
15h
17°C62°F
35°C95°F
Sunrise
05:29
Civil Dawn 04:59
Sunset
21:00
Civil Dusk 21:30
Today vs. seasonal normal
-2.3°C-4.2°F
High 24.9°C77°F · Low 11.4°C53°F · Normal for this month

Sumner is located in Washington, United States. Elevation: 20m. Annual average temperature: 11°C. Annual precipitation: 1069mm.

CloudsLast updated 05:00
Clouds weather map
0%100%
PrecipitationLast updated 05:00
Precipitation weather map
010+ mm/h
TemperatureLast updated 05:00
Temperature weather map
−20°40°

Frequently Asked Questions

What is the weather like in Sumner today?

Today in Sumner, United States, the temperature is 20°C with Overcast. 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 Thursday at 37°C, while the coolest night is Monday at 11°C. 2 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, 11:00 AM

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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