10-day forecast for Summit, CA: 41° to 79°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Friday, October 16
50° · 0.17 in
Worst day: Wednesday, October 21
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1679° / 56°0
Morning62°feels 59°
Afternoon79°feels 79°
Evening65°feels 63°
Overnight57°feels 54°
79 °
Summit, Friday, 16 October
Clear. High 79°, low 56°.
Pressure30.18 inHg
Wind19.9 mph E
Humidity22%
Visibility6.2 mi
Dew point27°
Sat, 1774° / 58°0
Morning62°feels 60°
Afternoon74°feels 73°
Evening62°feels 59°
Overnight59°feels 57°
74 °
Summit, Saturday, 17 October
Clear. High 74°, low 58°.
Pressure30.15 inHg
Wind10.7 mph E
Humidity22%
Visibility6.2 mi
Dew point27°
Sun, 1875° / 54°0
Morning58°feels 55°
Afternoon75°feels 73°
Evening62°feels 60°
Overnight55°feels 53°
75 °
Summit, Sunday, 18 October
Clear. High 75°, low 54°.
Pressure30.03 inHg
Wind4.6 mph E
Humidity23%
Visibility6.2 mi
Dew point28°
Mon, 1973° / 53°0
Morning59°feels 56°
Afternoon71°feels 69°
Evening66°feels 64°
Overnight55°feels 52°
73 °
Summit, Monday, 19 October
Clear. High 73°, low 53°.
Pressure29.97 inHg
Wind9 mph NW
Humidity22%
Visibility—
Dew point28°
Tue, 2065° / 45°0
Morning53°feels 53°
Afternoon64°feels 62°
Evening58°feels 55°
Overnight46°feels 43°
65 °
Summit, Tuesday, 20 October
Overcast. High 65°, low 45°.
Pressure29.88 inHg
Wind11 mph S
Humidity29%
Visibility—
Dew point30°
Wed, 2150° / 41°0.17
Morning43°feels 40°
Afternoon47°feels 44°
Evening49°feels 45°
Overnight42°feels 38°
50 °
Summit, Wednesday, 21 October
Light rain. High 50°, low 41°.
Pressure29.88 inHg
Wind8.6 mph NW
Humidity77%
Visibility—
Dew point39°
Thu, 2258° / 41°0
Morning44°feels 40°
Afternoon54°feels 51°
Evening54°feels 51°
Overnight45°feels 41°
58 °
Summit, Thursday, 22 October
Clear. High 58°, low 41°.
Pressure30.06 inHg
Wind11.4 mph W
Humidity57%
Visibility—
Dew point37°
Fri, 2367° / 44°0
Morning49°feels 46°
Afternoon64°feels 61°
Evening62°feels 59°
Overnight49°feels 47°
67 °
Summit, Friday, 23 October
Clear. High 67°, low 44°.
Pressure30.12 inHg
Wind8.5 mph NW
Humidity30%
Visibility—
Dew point29°
Sat, 2466° / 52°0
Morning57°feels 54°
Afternoon64°feels 61°
Evening62°feels 58°
Overnight53°feels 49°
66 °
Summit, Saturday, 24 October
Clear. High 66°, low 52°.
Pressure30.30 inHg
Wind17 mph E
Humidity18%
Visibility—
Dew point19°
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, CA 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.