10-day forecast for Sumner, WA: 39° to 74°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Friday, October 16
63° · 0.11 in
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1573° / 50°0
Morning52°feels 51°
Afternoon72°feels 71°
Evening60°feels 60°
Overnight51°feels 50°
73 °
Sumner, Thursday, 15 October
Clear. High 73°, low 50°.
Pressure30.36 inHg
Wind2.4 mph W
Humidity68%
Visibility6.2 mi
Dew point50°
Fri, 1674° / 49°0
Morning49°feels 49°
Afternoon72°feels 71°
Evening62°feels 61°
Overnight57°feels 56°
74 °
Sumner, Friday, 16 October
Overcast. High 74°, low 49°.
Pressure30.18 inHg
Wind1.3 mph SW
Humidity53%
Visibility6.2 mi
Dew point49°
Sat, 1763° / 52°0.11
Morning56°feels 56°
Afternoon61°feels 60°
Evening55°feels 53°
Overnight55°feels 54°
63 °
Sumner, Saturday, 17 October
Rain. High 63°, low 52°.
Pressure30.27 inHg
Wind4.8 mph W
Humidity61%
Visibility6.2 mi
Dew point49°
Sun, 1861° / 44°0
Morning44°feels 42°
Afternoon61°feels 59°
Evening58°feels 56°
Overnight48°feels 46°
61 °
Sumner, Sunday, 18 October
Overcast. High 61°, low 44°.
Pressure30.06 inHg
Wind5.7 mph N
Humidity67%
Visibility6.2 mi
Dew point45°
Mon, 1960° / 46°0.01
Morning49°feels 48°
Afternoon57°feels 55°
Evening58°feels 57°
Overnight50°feels 49°
60 °
Sumner, Monday, 19 October
Light rain. High 60°, low 46°.
Pressure30.00 inHg
Wind4.4 mph SW
Humidity70%
Visibility—
Dew point45°
Tue, 2060° / 43°0
Morning49°feels 48°
Afternoon55°feels 53°
Evening57°feels 55°
Overnight45°feels 45°
60 °
Sumner, Tuesday, 20 October
Mostly clear. High 60°, low 43°.
Pressure30.15 inHg
Wind5.7 mph N
Humidity65%
Visibility—
Dew point42°
Wed, 2163° / 42°0
Morning45°feels 45°
Afternoon55°feels 53°
Evening60°feels 58°
Overnight47°feels 47°
63 °
Sumner, Wednesday, 21 October
Overcast. High 63°, low 42°.
Pressure30.09 inHg
Wind3.2 mph W
Humidity57%
Visibility—
Dew point38°
Thu, 2258° / 44°0
Morning49°feels 49°
Afternoon54°feels 53°
Evening55°feels 54°
Overnight45°feels 45°
58 °
Sumner, Thursday, 22 October
Overcast. High 58°, low 44°.
Pressure30.15 inHg
Wind5 mph N
Humidity67%
Visibility—
Dew point42°
Fri, 2360° / 39°0
Morning44°feels 43°
Afternoon53°feels 51°
Evening56°feels 54°
Overnight43°feels 43°
60 °
Sumner, Friday, 23 October
Mostly clear. High 60°, low 39°.
Pressure30.39 inHg
Wind5.1 mph N
Humidity54%
Visibility—
Dew point35°
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.