10-day forecast for Orrstown, PA: 53° to 89°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Wednesday, August 12
89° · 0.3 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 70°0.08
Morning74°feels 74°
Afternoon81°feels 81°
Evening80°feels 80°
Overnight71°feels 72°
87 °
Orrstown, Monday, 10 August
Light rain. High 87°, low 70°.
Pressure30.00 inHg
Wind7.2 mph W
Humidity51%
Visibility6.2 mi
Dew point66°
Tue, 1189° / 67°0.3
Morning69°feels 70°
Afternoon87°feels 88°
Evening77°feels 77°
Overnight69°feels 70°
89 °
Orrstown, Tuesday, 11 August
Heavy rain. High 89°, low 67°.
Pressure29.94 inHg
Wind10.9 mph NW
Humidity55%
Visibility6.2 mi
Dew point65°
Wed, 1288° / 65°0.02
Morning70°feels 71°
Afternoon85°feels 87°
Evening75°feels 76°
Overnight69°feels 69°
88 °
Orrstown, Wednesday, 12 August
Light rain. High 88°, low 65°.
Pressure29.80 inHg
Wind10.8 mph W
Humidity61%
Visibility6.2 mi
Dew point66°
Thu, 1382° / 65°0.22
Morning73°feels 73°
Afternoon80°feels 79°
Evening69°feels 68°
Overnight69°feels 70°
82 °
Orrstown, Thursday, 13 August
Rain. High 82°, low 65°.
Pressure29.85 inHg
Wind15.1 mph NW
Humidity33%
Visibility—
Dew point48°
Fri, 1477° / 56°0
Morning65°feels 64°
Afternoon75°feels 74°
Evening65°feels 64°
Overnight62°feels 61°
77 °
Orrstown, Friday, 14 August
Overcast. High 77°, low 56°.
Pressure30.06 inHg
Wind11.1 mph NW
Humidity36%
Visibility—
Dew point46°
Sat, 1577° / 54°0
Morning64°feels 63°
Afternoon74°feels 73°
Evening65°feels 64°
Overnight60°feels 59°
77 °
Orrstown, Saturday, 15 August
Clear. High 77°, low 54°.
Pressure30.18 inHg
Wind10.6 mph NW
Humidity32%
Visibility—
Dew point41°
Sun, 1675° / 53°0
Morning64°feels 63°
Afternoon74°feels 73°
Evening65°feels 64°
Overnight60°feels 59°
75 °
Orrstown, Sunday, 16 August
Overcast. High 75°, low 53°.
Pressure30.15 inHg
Wind6.8 mph SW
Humidity33%
Visibility—
Dew point42°
Mon, 1780° / 57°0
Morning68°feels 67°
Afternoon77°feels 78°
Evening69°feels 69°
Overnight65°feels 66°
80 °
Orrstown, Monday, 17 August
Overcast. High 80°, low 57°.
Pressure29.97 inHg
Wind4.2 mph E
Humidity46%
Visibility—
Dew point55°
Tue, 1885° / 61°0
Morning71°feels 70°
Afternoon83°feels 82°
Evening72°feels 72°
Overnight68°feels 68°
85 °
Orrstown, Tuesday, 18 August
Mostly clear. High 85°, low 61°.
Pressure30.00 inHg
Wind4.3 mph NW
Humidity36%
Visibility—
Dew point52°
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 Orrstown, 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.