10-day forecast for Summit, WA: 37° 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° · 0.05 in
Worst day: Tuesday, October 20
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1362° / 38°0
Morning43°feels 43°
Afternoon61°feels 59°
Evening51°feels 49°
Overnight38°feels 38°
62 °
Summit, Tuesday, 13 October
Overcast. High 62°, low 38°.
Pressure30.21 inHg
Wind1 mph S
Humidity59%
Visibility6.2 mi
Dew point42°
Wed, 1465° / 45°0
Morning48°feels 48°
Afternoon64°feels 63°
Evening58°feels 57°
Overnight46°feels 44°
65 °
Summit, Wednesday, 14 October
Overcast. High 65°, low 45°.
Pressure30.30 inHg
Wind2.5 mph SW
Humidity64%
Visibility6.2 mi
Dew point50°
Thu, 1569° / 47°0
Morning47°feels 46°
Afternoon67°feels 66°
Evening60°feels 59°
Overnight50°feels 49°
69 °
Summit, Thursday, 15 October
Clear. High 69°, low 47°.
Pressure30.30 inHg
Wind2.6 mph N
Humidity70%
Visibility6.2 mi
Dew point50°
Fri, 1671° / 47°0
Morning47°feels 47°
Afternoon71°feels 70°
Evening69°feels 68°
Overnight50°feels 49°
71 °
Summit, Friday, 16 October
Clear. High 71°, low 47°.
Pressure30.12 inHg
Wind1.3 mph SW
Humidity63%
Visibility6.2 mi
Dew point52°
Sat, 1763° / 52°0.02
Morning58°feels 57°
Afternoon60°feels 60°
Evening61°feels 60°
Overnight53°feels 51°
63 °
Summit, Saturday, 17 October
Light rain. High 63°, low 52°.
Pressure30.12 inHg
Wind7.7 mph SW
Humidity77%
Visibility—
Dew point52°
Sun, 1859° / 43°0
Morning47°feels 46°
Afternoon55°feels 53°
Evening57°feels 55°
Overnight47°feels 47°
59 °
Summit, Sunday, 18 October
Partly cloudy. High 59°, low 43°.
Pressure30.03 inHg
Wind3.3 mph N
Humidity63%
Visibility—
Dew point40°
Mon, 1954° / 43°0.01
Morning47°feels 46°
Afternoon52°feels 49°
Evening52°feels 51°
Overnight44°feels 44°
54 °
Summit, Monday, 19 October
Light rain. High 54°, low 43°.
Pressure29.83 inHg
Wind16.3 mph S
Humidity54%
Visibility—
Dew point35°
Tue, 2059° / 47°0.05
Morning49°feels 48°
Afternoon55°feels 53°
Evening55°feels 54°
Overnight47°feels 47°
59 °
Summit, Tuesday, 20 October
Light rain. High 59°, low 47°.
Pressure29.91 inHg
Wind3 mph W
Humidity64%
Visibility—
Dew point41°
Wed, 2158° / 41°0
Morning45°feels 44°
Afternoon52°feels 50°
Evening55°feels 53°
Overnight44°feels 44°
58 °
Summit, Wednesday, 21 October
Partly cloudy. High 58°, low 41°.
Pressure30.12 inHg
Wind4 mph N
Humidity74%
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 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.