10-day forecast for Summit, PA: 45° to 83°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Sunday, August 9
81° · 1.16 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0983° / 63°0
Morning65°feels 66°
Afternoon80°feels 80°
Evening71°feels 71°
Overnight65°feels 66°
83 °
Summit, Sunday, 9 August
Clear. High 83°, low 63°.
Pressure30.03 inHg
Wind6.5 mph NW
Humidity50%
Visibility6.2 mi
Dew point59°
Mon, 1078° / 62°0.17
Morning65°feels 65°
Afternoon73°feels 74°
Evening71°feels 72°
Overnight63°feels 63°
78 °
Summit, Monday, 10 August
Light rain. High 78°, low 62°.
Pressure30.00 inHg
Wind7.2 mph SW
Humidity93%
Visibility6.2 mi
Dew point66°
Tue, 1181° / 63°1.16
Morning64°feels 65°
Afternoon79°feels 79°
Evening66°feels 67°
Overnight65°feels 66°
81 °
Summit, Tuesday, 11 August
Heavy rain. High 81°, low 63°.
Pressure29.97 inHg
Wind5.3 mph W
Humidity92%
Visibility6.2 mi
Dew point65°
Wed, 1276° / 60°0.04
Morning62°feels 62°
Afternoon74°feels 74°
Evening66°feels 66°
Overnight60°feels 61°
76 °
Summit, Wednesday, 12 August
Light rain. High 76°, low 60°.
Pressure29.80 inHg
Wind5.8 mph W
Humidity73%
Visibility6.2 mi
Dew point63°
Thu, 1366° / 51°0.08
Morning60°feels 60°
Afternoon58°feels 57°
Evening56°feels 55°
Overnight53°feels 52°
66 °
Summit, Thursday, 13 August
Light rain. High 66°, low 51°.
Pressure29.88 inHg
Wind10.6 mph NW
Humidity78%
Visibility—
Dew point51°
Fri, 1462° / 45°0.02
Morning53°feels 53°
Afternoon60°feels 59°
Evening53°feels 51°
Overnight47°feels 46°
62 °
Summit, Friday, 14 August
Light rain. High 62°, low 45°.
Pressure30.03 inHg
Wind8.6 mph NW
Humidity55%
Visibility—
Dew point44°
Sat, 1567° / 45°0
Morning55°feels 54°
Afternoon65°feels 64°
Evening56°feels 55°
Overnight49°feels 49°
67 °
Summit, Saturday, 15 August
Clear. High 67°, low 45°.
Pressure30.24 inHg
Wind10 mph N
Humidity44%
Visibility—
Dew point42°
Sun, 1673° / 47°0
Morning59°feels 58°
Afternoon71°feels 70°
Evening59°feels 58°
Overnight55°feels 54°
73 °
Summit, Sunday, 16 August
Partly cloudy. High 73°, low 47°.
Pressure30.27 inHg
Wind2.8 mph E
Humidity39%
Visibility—
Dew point44°
Mon, 1777° / 50°0
Morning62°feels 61°
Afternoon74°feels 73°
Evening62°feels 61°
Overnight57°feels 56°
77 °
Summit, Monday, 17 August
Overcast. High 77°, low 50°.
Pressure30.09 inHg
Wind8.5 mph SW
Humidity39%
Visibility—
Dew point47°
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, PA 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.