10-day forecast for Chestnuthill, PA: 51° to 84°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
Best day: Sunday, August 9
84° · 0.54 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1083° / 67°0.04
Morning71°feels 71°
Afternoon80°feels 80°
Evening73°feels 74°
Overnight68°feels 68°
83 °
Chestnuthill, Monday, 10 August
Light rain. High 83°, low 67°.
Pressure30.00 inHg
Wind5.9 mph SW
Humidity47%
Visibility6.2 mi
Dew point61°
Tue, 1184° / 65°0.54
Morning68°feels 69°
Afternoon83°feels 82°
Evening70°feels 69°
Overnight70°feels 71°
84 °
Chestnuthill, Tuesday, 11 August
Heavy rain. High 84°, low 65°.
Pressure29.88 inHg
Wind11.9 mph NW
Humidity43%
Visibility6.2 mi
Dew point56°
Wed, 1281° / 64°0
Morning67°feels 67°
Afternoon79°feels 79°
Evening71°feels 72°
Overnight65°feels 65°
81 °
Chestnuthill, Wednesday, 12 August
Overcast. High 81°, low 64°.
Pressure29.77 inHg
Wind3.8 mph W
Humidity65%
Visibility6.2 mi
Dew point64°
Thu, 1378° / 59°0.02
Morning70°feels 70°
Afternoon76°feels 75°
Evening65°feels 64°
Overnight66°feels 67°
78 °
Chestnuthill, Thursday, 13 August
Light rain. High 78°, low 59°.
Pressure29.77 inHg
Wind13 mph NW
Humidity35%
Visibility—
Dew point47°
Fri, 1472° / 53°0
Morning61°feels 60°
Afternoon69°feels 68°
Evening57°feels 56°
Overnight54°feels 53°
72 °
Chestnuthill, Friday, 14 August
Clear. High 72°, low 53°.
Pressure30.00 inHg
Wind12.8 mph NW
Humidity38%
Visibility—
Dew point43°
Sat, 1573° / 51°0
Morning61°feels 59°
Afternoon71°feels 69°
Evening61°feels 60°
Overnight57°feels 55°
73 °
Chestnuthill, Saturday, 15 August
Clear. High 73°, low 51°.
Pressure30.12 inHg
Wind14.2 mph NW
Humidity36%
Visibility—
Dew point42°
Sun, 1675° / 51°0
Morning63°feels 62°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight58°feels 57°
75 °
Chestnuthill, Sunday, 16 August
Overcast. High 75°, low 51°.
Pressure30.12 inHg
Wind6.1 mph NW
Humidity34%
Visibility—
Dew point42°
Mon, 1777° / 56°0
Morning67°feels 66°
Afternoon75°feels 74°
Evening64°feels 64°
Overnight60°feels 60°
77 °
Chestnuthill, Monday, 17 August
Overcast. High 77°, low 56°.
Pressure30.00 inHg
Wind7.5 mph S
Humidity41%
Visibility—
Dew point49°
Tue, 1881° / 59°0.01
Morning69°feels 69°
Afternoon79°feels 79°
Evening67°feels 67°
Overnight63°feels 63°
81 °
Chestnuthill, Tuesday, 18 August
Light rain. High 81°, low 59°.
Pressure30.00 inHg
Wind4.5 mph SW
Humidity41%
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 Chestnuthill, 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.