10-day forecast for Summit, OR: 50° to 88°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Monday, August 17
82°
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0985° / 51°0
Morning57°feels 55°
Afternoon82°feels 80°
Evening75°feels 75°
Overnight55°feels 54°
85 °
Summit, Sunday, 9 August
Mostly clear. High 85°, low 51°.
Pressure30.03 inHg
Wind0.7 mph W
Humidity26%
Visibility6.2 mi
Dew point43°
Mon, 1086° / 51°0
Morning61°feels 59°
Afternoon85°feels 83°
Evening67°feels 67°
Overnight53°feels 52°
86 °
Summit, Monday, 10 August
Clear. High 86°, low 51°.
Pressure30.06 inHg
Wind1.8 mph NE
Humidity28%
Visibility6.2 mi
Dew point45°
Tue, 1185° / 54°0
Morning64°feels 63°
Afternoon85°feels 83°
Evening66°feels 66°
Overnight55°feels 54°
85 °
Summit, Tuesday, 11 August
Clear. High 85°, low 54°.
Pressure30.06 inHg
Wind1.2 mph W
Humidity36%
Visibility6.2 mi
Dew point51°
Wed, 1282° / 53°0
Morning60°feels 60°
Afternoon79°feels 78°
Evening62°feels 62°
Overnight56°feels 56°
82 °
Summit, Wednesday, 12 August
Mostly clear. High 82°, low 53°.
Pressure30.06 inHg
Wind2.6 mph W
Humidity49%
Visibility6.2 mi
Dew point55°
Thu, 1382° / 50°0
Morning64°feels 63°
Afternoon79°feels 77°
Evening62°feels 61°
Overnight55°feels 54°
82 °
Summit, Thursday, 13 August
Clear. High 82°, low 50°.
Pressure29.94 inHg
Wind6.2 mph W
Humidity31%
Visibility—
Dew point45°
Fri, 1484° / 51°0
Morning66°feels 65°
Afternoon81°feels 79°
Evening63°feels 63°
Overnight58°feels 57°
84 °
Summit, Friday, 14 August
Clear. High 84°, low 51°.
Pressure29.94 inHg
Wind6.7 mph W
Humidity29%
Visibility—
Dew point46°
Sat, 1583° / 56°0
Morning67°feels 67°
Afternoon80°feels 79°
Evening62°feels 62°
Overnight57°feels 56°
83 °
Summit, Saturday, 15 August
Overcast. High 83°, low 56°.
Pressure29.97 inHg
Wind7.7 mph W
Humidity37%
Visibility—
Dew point51°
Sun, 1687° / 54°0
Morning69°feels 68°
Afternoon83°feels 81°
Evening65°feels 64°
Overnight59°feels 58°
87 °
Summit, Sunday, 16 August
Clear. High 87°, low 54°.
Pressure30.00 inHg
Wind6.2 mph W
Humidity26%
Visibility—
Dew point45°
Mon, 1788° / 55°0
Morning72°feels 70°
Afternoon84°feels 82°
Evening62°feels 62°
Overnight57°feels 56°
88 °
Summit, Monday, 17 August
Clear. High 88°, low 55°.
Pressure29.97 inHg
Wind8.3 mph W
Humidity28%
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, OR 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.