10-day forecast for Summit, WA: 41° to 71°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Friday, October 16
59° · 0.11 in
Worst day: Monday, October 19
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1162° / 41°0
Morning41°feels 38°
Afternoon62°feels 60°
Evening53°feels 52°
Overnight43°feels 41°
62 °
Summit, Sunday, 11 October
Clear. High 62°, low 41°.
Pressure29.97 inHg
Wind8.1 mph N
Humidity58%
Visibility6.2 mi
Dew point43°
Mon, 1261° / 41°0
Morning42°feels 42°
Afternoon60°feels 57°
Evening52°feels 50°
Overnight46°feels 46°
61 °
Summit, Monday, 12 October
Clear. High 61°, low 41°.
Pressure30.06 inHg
Wind1 mph NE
Humidity59%
Visibility6.2 mi
Dew point42°
Tue, 1362° / 43°0
Morning43°feels 43°
Afternoon61°feels 59°
Evening55°feels 53°
Overnight43°feels 43°
62 °
Summit, Tuesday, 13 October
Clear. High 62°, low 43°.
Pressure30.15 inHg
Wind0.8 mph SE
Humidity59%
Visibility6.2 mi
Dew point43°
Wed, 1464° / 44°0
Morning45°feels 45°
Afternoon57°feels 55°
Evening63°feels 61°
Overnight48°feels 48°
64 °
Summit, Wednesday, 14 October
Clear. High 64°, low 44°.
Pressure30.24 inHg
Wind0.5 mph NE
Humidity63%
Visibility6.2 mi
Dew point45°
Thu, 1569° / 49°0
Morning52°feels 52°
Afternoon60°feels 59°
Evening66°feels 66°
Overnight53°feels 52°
69 °
Summit, Thursday, 15 October
Clear. High 69°, low 49°.
Pressure30.27 inHg
Wind3.7 mph N
Humidity77%
Visibility—
Dew point50°
Fri, 1671° / 47°0
Morning52°feels 51°
Afternoon63°feels 60°
Evening65°feels 63°
Overnight53°feels 51°
71 °
Summit, Friday, 16 October
Partly cloudy. High 71°, low 47°.
Pressure30.24 inHg
Wind3.8 mph SE
Humidity31%
Visibility—
Dew point29°
Sat, 1762° / 48°0.01
Morning51°feels 49°
Afternoon55°feels 53°
Evening60°feels 59°
Overnight49°feels 47°
62 °
Summit, Saturday, 17 October
Light rain. High 62°, low 48°.
Pressure30.15 inHg
Wind3.5 mph S
Humidity72%
Visibility—
Dew point44°
Sun, 1859° / 46°0.02
Morning49°feels 49°
Afternoon58°feels 56°
Evening53°feels 52°
Overnight50°feels 49°
59 °
Summit, Sunday, 18 October
Light rain. High 59°, low 46°.
Pressure30.15 inHg
Wind6.4 mph W
Humidity59%
Visibility—
Dew point43°
Mon, 1959° / 46°0.11
Morning52°feels 51°
Afternoon54°feels 53°
Evening54°feels 52°
Overnight47°feels 45°
59 °
Summit, Monday, 19 October
Light rain. High 59°, low 46°.
Pressure30.09 inHg
Wind10.4 mph SW
Humidity80%
Visibility—
Dew point48°
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 Summit, 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.