10-day forecast for Sumner, WA: 41° to 74°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Friday, October 16
63° · 0.13 in
Worst day: Monday, October 19
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1263° / 43°0
Morning43°feels 43°
Afternoon62°feels 60°
Evening50°feels 48°
Overnight43°feels 43°
63 °
Sumner, Monday, 12 October
Clear. High 63°, low 43°.
Pressure30.06 inHg
Wind0.2 mph N
Humidity59%
Visibility6.2 mi
Dew point43°
Tue, 1363° / 41°0
Morning43°feels 43°
Afternoon61°feels 59°
Evening54°feels 53°
Overnight43°feels 43°
63 °
Sumner, Tuesday, 13 October
Overcast. High 63°, low 41°.
Pressure30.18 inHg
Wind1 mph S
Humidity65%
Visibility6.2 mi
Dew point44°
Wed, 1466° / 45°0
Morning45°feels 45°
Afternoon64°feels 63°
Evening58°feels 57°
Overnight47°feels 47°
66 °
Sumner, Wednesday, 14 October
Mostly clear. High 66°, low 45°.
Pressure30.27 inHg
Wind1 mph SW
Humidity68%
Visibility6.2 mi
Dew point47°
Thu, 1570° / 47°0
Morning51°feels 51°
Afternoon61°feels 60°
Evening68°feels 68°
Overnight51°feels 51°
70 °
Sumner, Thursday, 15 October
Clear. High 70°, low 47°.
Pressure30.30 inHg
Wind3 mph SE
Humidity77%
Visibility—
Dew point50°
Fri, 1674° / 51°0
Morning55°feels 54°
Afternoon65°feels 64°
Evening71°feels 70°
Overnight55°feels 54°
74 °
Sumner, Friday, 16 October
Clear. High 74°, low 51°.
Pressure30.06 inHg
Wind4.5 mph W
Humidity65%
Visibility—
Dew point50°
Sat, 1772° / 54°0.02
Morning58°feels 56°
Afternoon67°feels 66°
Evening63°feels 62°
Overnight57°feels 56°
72 °
Sumner, Saturday, 17 October
Light rain. High 72°, low 54°.
Pressure30.09 inHg
Wind9.9 mph SW
Humidity39%
Visibility—
Dew point40°
Sun, 1866° / 52°0
Morning55°feels 54°
Afternoon62°feels 61°
Evening64°feels 62°
Overnight52°feels 51°
66 °
Sumner, Sunday, 18 October
Overcast. High 66°, low 52°.
Pressure30.12 inHg
Wind4.8 mph W
Humidity70%
Visibility—
Dew point50°
Mon, 1963° / 50°0.13
Morning55°feels 54°
Afternoon59°feels 58°
Evening58°feels 56°
Overnight50°feels 49°
63 °
Sumner, Monday, 19 October
Light rain. High 63°, low 50°.
Pressure30.18 inHg
Wind12.5 mph SW
Humidity69%
Visibility—
Dew point48°
Tue, 2059° / 47°0.05
Morning53°feels 51°
Afternoon58°feels 56°
Evening53°feels 53°
Overnight48°feels 47°
59 °
Sumner, Tuesday, 20 October
Light rain. High 59°, low 47°.
Pressure30.15 inHg
Wind8.1 mph SW
Humidity56%
Visibility—
Dew point42°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Sumner, WA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.