10-day forecast for Hummelstown, PA: 53° to 87°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Sunday, August 9
87° · 0.55 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 68°0.01
Morning73°feels 73°
Afternoon77°feels 76°
Evening81°feels 84°
Overnight71°feels 71°
86 °
Hummelstown, Monday, 10 August
Light rain. High 86°, low 68°.
Pressure30.00 inHg
Wind6.7 mph W
Humidity52%
Visibility6.2 mi
Dew point65°
Tue, 1187° / 68°0.55
Morning69°feels 70°
Afternoon87°feels 88°
Evening76°feels 76°
Overnight71°feels 73°
87 °
Hummelstown, Tuesday, 11 August
Heavy rain. High 87°, low 68°.
Pressure29.91 inHg
Wind12.6 mph NW
Humidity57%
Visibility6.2 mi
Dew point66°
Wed, 1286° / 67°0.04
Morning70°feels 71°
Afternoon80°feels 83°
Evening76°feels 76°
Overnight70°feels 71°
86 °
Hummelstown, Wednesday, 12 August
Light rain. High 86°, low 67°.
Pressure29.80 inHg
Wind9.7 mph NW
Humidity69%
Visibility6.2 mi
Dew point67°
Thu, 1382° / 63°0.15
Morning73°feels 74°
Afternoon80°feels 79°
Evening69°feels 68°
Overnight69°feels 70°
82 °
Hummelstown, Thursday, 13 August
Light rain. High 82°, low 63°.
Pressure29.80 inHg
Wind14.9 mph NW
Humidity36%
Visibility—
Dew point51°
Fri, 1478° / 56°0
Morning65°feels 64°
Afternoon74°feels 73°
Evening66°feels 65°
Overnight59°feels 58°
78 °
Hummelstown, Friday, 14 August
Partly cloudy. High 78°, low 56°.
Pressure30.03 inHg
Wind11.6 mph NW
Humidity38%
Visibility—
Dew point46°
Sat, 1577° / 53°0
Morning63°feels 62°
Afternoon74°feels 73°
Evening65°feels 64°
Overnight59°feels 58°
77 °
Hummelstown, Saturday, 15 August
Mostly clear. High 77°, low 53°.
Pressure30.15 inHg
Wind12.4 mph NW
Humidity36%
Visibility—
Dew point44°
Sun, 1679° / 53°0
Morning65°feels 63°
Afternoon77°feels 76°
Evening68°feels 67°
Overnight60°feels 58°
79 °
Hummelstown, Sunday, 16 August
Overcast. High 79°, low 53°.
Pressure30.15 inHg
Wind4.9 mph SW
Humidity35%
Visibility—
Dew point46°
Mon, 1778° / 55°0
Morning67°feels 66°
Afternoon76°feels 76°
Evening67°feels 67°
Overnight63°feels 63°
78 °
Hummelstown, Monday, 17 August
Partly cloudy. High 78°, low 55°.
Pressure30.00 inHg
Wind6.7 mph SE
Humidity49%
Visibility—
Dew point55°
Tue, 1885° / 60°0.01
Morning71°feels 71°
Afternoon83°feels 83°
Evening73°feels 73°
Overnight67°feels 67°
85 °
Hummelstown, Tuesday, 18 August
Light rain. High 85°, low 60°.
Pressure30.00 inHg
Wind7.9 mph E
Humidity44%
Visibility—
Dew point58°
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 Hummelstown, 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.