10-day forecast for Chatham, PA: 45° to 82°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Sunday, August 9
79° · 0.2 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1082° / 64°0.07
Morning68°feels 69°
Afternoon76°feels 76°
Evening75°feels 76°
Overnight64°feels 64°
82 °
Chatham, Monday, 10 August
Light rain. High 82°, low 64°.
Pressure30.00 inHg
Wind5.2 mph S
Humidity94%
Visibility6.2 mi
Dew point63°
Tue, 1179° / 59°0.2
Morning66°feels 66°
Afternoon79°feels 78°
Evening65°feels 65°
Overnight69°feels 70°
79 °
Chatham, Tuesday, 11 August
Rain. High 79°, low 59°.
Pressure29.91 inHg
Wind9.1 mph NW
Humidity52%
Visibility6.2 mi
Dew point57°
Wed, 1268° / 59°0.05
Morning64°feels 64°
Afternoon68°feels 68°
Evening66°feels 67°
Overnight59°feels 59°
68 °
Chatham, Wednesday, 12 August
Light rain. High 68°, low 59°.
Pressure29.83 inHg
Wind4.7 mph SW
Humidity72%
Visibility6.2 mi
Dew point58°
Thu, 1371° / 55°0
Morning60°feels 60°
Afternoon70°feels 68°
Evening60°feels 59°
Overnight63°feels 63°
71 °
Chatham, Thursday, 13 August
Clear. High 71°, low 55°.
Pressure29.88 inHg
Wind16.1 mph NW
Humidity42%
Visibility—
Dew point46°
Fri, 1469° / 47°0
Morning58°feels 56°
Afternoon67°feels 66°
Evening56°feels 55°
Overnight51°feels 49°
69 °
Chatham, Friday, 14 August
Clear. High 69°, low 47°.
Pressure30.06 inHg
Wind11.1 mph N
Humidity43%
Visibility—
Dew point44°
Sat, 1568° / 45°0
Morning56°feels 54°
Afternoon65°feels 64°
Evening56°feels 55°
Overnight49°feels 49°
68 °
Chatham, Saturday, 15 August
Overcast. High 68°, low 45°.
Pressure30.24 inHg
Wind11.7 mph N
Humidity46%
Visibility—
Dew point44°
Sun, 1662° / 47°0
Morning54°feels 53°
Afternoon57°feels 56°
Evening57°feels 56°
Overnight55°feels 54°
62 °
Chatham, Sunday, 16 August
Overcast. High 62°, low 47°.
Pressure30.15 inHg
Wind4.5 mph SE
Humidity83%
Visibility—
Dew point51°
Mon, 1772° / 54°0
Morning61°feels 60°
Afternoon69°feels 69°
Evening63°feels 62°
Overnight55°feels 54°
72 °
Chatham, Monday, 17 August
Overcast. High 72°, low 54°.
Pressure29.94 inHg
Wind8.1 mph N
Humidity53%
Visibility—
Dew point51°
Tue, 1876° / 52°0
Morning63°feels 62°
Afternoon74°feels 73°
Evening65°feels 65°
Overnight62°feels 61°
76 °
Chatham, Tuesday, 18 August
Overcast. High 76°, low 52°.
Pressure29.97 inHg
Wind4.7 mph NW
Humidity45%
Visibility—
Dew point50°
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 Chatham, 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.