10-day forecast for Sumner, WA: 41° 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
57° · 0.26 in
Worst day: Monday, October 19
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1162° / 43°0
Morning46°feels 44°
Afternoon62°feels 60°
Evening51°feels 49°
Overnight43°feels 42°
62 °
Sumner, Sunday, 11 October
Clear. High 62°, low 43°.
Pressure29.97 inHg
Wind7.3 mph N
Humidity59%
Visibility6.2 mi
Dew point43°
Mon, 1262° / 44°0
Morning45°feels 45°
Afternoon61°feels 59°
Evening52°feels 50°
Overnight44°feels 44°
62 °
Sumner, Monday, 12 October
Clear. High 62°, low 44°.
Pressure30.06 inHg
Wind1.3 mph NW
Humidity58%
Visibility6.2 mi
Dew point42°
Tue, 1364° / 41°0
Morning43°feels 43°
Afternoon62°feels 60°
Evening54°feels 53°
Overnight43°feels 43°
64 °
Sumner, Tuesday, 13 October
Clear. High 64°, low 41°.
Pressure30.18 inHg
Wind1.9 mph W
Humidity57%
Visibility6.2 mi
Dew point42°
Wed, 1466° / 45°0
Morning45°feels 45°
Afternoon64°feels 63°
Evening64°feels 62°
Overnight47°feels 47°
66 °
Sumner, Wednesday, 14 October
Mostly clear. High 66°, low 45°.
Pressure30.27 inHg
Wind1.9 mph NW
Humidity63%
Visibility6.2 mi
Dew point46°
Thu, 1570° / 46°0
Morning51°feels 51°
Afternoon61°feels 60°
Evening68°feels 68°
Overnight55°feels 54°
70 °
Sumner, Thursday, 15 October
Clear. High 70°, low 46°.
Pressure30.27 inHg
Wind3.1 mph NW
Humidity71%
Visibility—
Dew point48°
Fri, 1674° / 50°0
Morning55°feels 53°
Afternoon66°feels 65°
Evening69°feels 67°
Overnight55°feels 53°
74 °
Sumner, Friday, 16 October
Mostly clear. High 74°, low 50°.
Pressure30.06 inHg
Wind3.2 mph W
Humidity58%
Visibility—
Dew point48°
Sat, 1767° / 53°0
Morning56°feels 54°
Afternoon64°feels 62°
Evening64°feels 63°
Overnight58°feels 57°
67 °
Sumner, Saturday, 17 October
Overcast. High 67°, low 53°.
Pressure30.18 inHg
Wind3.9 mph NW
Humidity53%
Visibility—
Dew point45°
Sun, 1870° / 54°0
Morning59°feels 58°
Afternoon64°feels 63°
Evening67°feels 66°
Overnight55°feels 54°
70 °
Sumner, Sunday, 18 October
Overcast. High 70°, low 54°.
Pressure30.15 inHg
Wind3.4 mph W
Humidity72%
Visibility—
Dew point53°
Mon, 1957° / 52°0.26
Morning54°feels 53°
Afternoon57°feels 56°
Evening56°feels 55°
Overnight53°feels 52°
57 °
Sumner, Monday, 19 October
Rain. High 57°, low 52°.
Pressure30.12 inHg
Wind8.5 mph S
Humidity75%
Visibility—
Dew point49°
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.