10-day forecast for Penn, PA: 47° to 85°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Sunday, August 9
84° · 0.24 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1082° / 64°0
Morning68°feels 69°
Afternoon78°feels 78°
Evening75°feels 76°
Overnight67°feels 66°
82 °
Penn, Monday, 10 August
Light rain. High 82°, low 64°.
Pressure30.00 inHg
Wind5.6 mph SW
Humidity56%
Visibility6.2 mi
Dew point62°
Tue, 1184° / 62°0.24
Morning66°feels 67°
Afternoon83°feels 82°
Evening69°feels 68°
Overnight68°feels 69°
84 °
Penn, Tuesday, 11 August
Rain. High 84°, low 62°.
Pressure29.88 inHg
Wind9.6 mph NW
Humidity39%
Visibility6.2 mi
Dew point54°
Wed, 1282° / 63°0.04
Morning66°feels 66°
Afternoon79°feels 79°
Evening71°feels 72°
Overnight65°feels 64°
82 °
Penn, Wednesday, 12 August
Light rain. High 82°, low 63°.
Pressure29.77 inHg
Wind7.3 mph W
Humidity61%
Visibility6.2 mi
Dew point63°
Thu, 1377° / 56°0.01
Morning68°feels 68°
Afternoon75°feels 74°
Evening63°feels 62°
Overnight63°feels 64°
77 °
Penn, Thursday, 13 August
Light rain. High 77°, low 56°.
Pressure29.80 inHg
Wind12.7 mph NW
Humidity33%
Visibility—
Dew point44°
Fri, 1470° / 48°0
Morning58°feels 57°
Afternoon67°feels 65°
Evening60°feels 58°
Overnight54°feels 53°
70 °
Penn, Friday, 14 August
Partly cloudy. High 70°, low 48°.
Pressure30.06 inHg
Wind11.2 mph N
Humidity45%
Visibility—
Dew point44°
Sat, 1572° / 47°0
Morning59°feels 58°
Afternoon70°feels 69°
Evening59°feels 58°
Overnight52°feels 51°
72 °
Penn, Saturday, 15 August
Clear. High 72°, low 47°.
Pressure30.15 inHg
Wind11.9 mph NW
Humidity38%
Visibility—
Dew point43°
Sun, 1675° / 48°0
Morning61°feels 60°
Afternoon72°feels 71°
Evening60°feels 59°
Overnight56°feels 55°
75 °
Penn, Sunday, 16 August
Overcast. High 75°, low 48°.
Pressure30.15 inHg
Wind4.7 mph NE
Humidity38%
Visibility—
Dew point45°
Mon, 1777° / 55°0
Morning63°feels 62°
Afternoon71°feels 70°
Evening67°feels 66°
Overnight64°feels 63°
77 °
Penn, Monday, 17 August
Overcast. High 77°, low 55°.
Pressure30.00 inHg
Wind5 mph SW
Humidity52%
Visibility—
Dew point51°
Tue, 1880° / 56°0
Morning67°feels 67°
Afternoon78°feels 78°
Evening68°feels 68°
Overnight65°feels 64°
80 °
Penn, Tuesday, 18 August
Mostly clear. High 80°, low 56°.
Pressure30.00 inHg
Wind4.6 mph SW
Humidity42%
Visibility—
Dew point53°
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 Penn, 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.