10-day forecast for Summit, PA: 50° to 88°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
79° · 0.76 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0988° / 66°0
Morning68°feels 69°
Afternoon85°feels 85°
Evening80°feels 80°
Overnight72°feels 73°
88 °
Summit, Sunday, 9 August
Mostly clear. High 88°, low 66°.
Pressure30.03 inHg
Wind3.2 mph SW
Humidity64%
Visibility6.2 mi
Dew point66°
Mon, 1081° / 67°0.53
Morning70°feels 71°
Afternoon81°feels 85°
Evening75°feels 76°
Overnight73°feels 74°
81 °
Summit, Monday, 10 August
Rain. High 81°, low 67°.
Pressure29.94 inHg
Wind14.4 mph S
Humidity91%
Visibility6.2 mi
Dew point69°
Tue, 1179° / 64°0.76
Morning66°feels 67°
Afternoon75°feels 76°
Evening67°feels 68°
Overnight67°feels 68°
79 °
Summit, Tuesday, 11 August
Heavy rain. High 79°, low 64°.
Pressure29.91 inHg
Wind6.8 mph SW
Humidity83%
Visibility6.2 mi
Dew point69°
Wed, 1278° / 62°0.05
Morning66°feels 67°
Afternoon78°feels 79°
Evening68°feels 69°
Overnight62°feels 63°
78 °
Summit, Wednesday, 12 August
Light rain. High 78°, low 62°.
Pressure29.80 inHg
Wind6 mph W
Humidity78%
Visibility6.2 mi
Dew point67°
Thu, 1366° / 54°0.05
Morning64°feels 65°
Afternoon62°feels 62°
Evening59°feels 59°
Overnight56°feels 55°
66 °
Summit, Thursday, 13 August
Light rain. High 66°, low 54°.
Pressure29.94 inHg
Wind16.1 mph N
Humidity78%
Visibility—
Dew point56°
Fri, 1468° / 50°0.03
Morning59°feels 58°
Afternoon66°feels 65°
Evening57°feels 57°
Overnight53°feels 53°
68 °
Summit, Friday, 14 August
Light rain. High 68°, low 50°.
Pressure30.06 inHg
Wind10.5 mph NW
Humidity53%
Visibility—
Dew point49°
Sat, 1569° / 51°0
Morning59°feels 58°
Afternoon68°feels 67°
Evening59°feels 59°
Overnight56°feels 55°
69 °
Summit, Saturday, 15 August
Partly cloudy. High 69°, low 51°.
Pressure30.30 inHg
Wind8.6 mph N
Humidity49%
Visibility—
Dew point47°
Sun, 1674° / 53°0
Morning61°feels 61°
Afternoon72°feels 71°
Evening65°feels 64°
Overnight60°feels 59°
74 °
Summit, Sunday, 16 August
Overcast. High 74°, low 53°.
Pressure30.30 inHg
Wind6 mph S
Humidity48%
Visibility—
Dew point50°
Mon, 1778° / 55°0
Morning62°feels 62°
Afternoon72°feels 71°
Evening67°feels 67°
Overnight65°feels 65°
78 °
Summit, Monday, 17 August
Overcast. High 78°, low 55°.
Pressure30.09 inHg
Wind9.5 mph SW
Humidity59%
Visibility—
Dew point56°
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.