10-day forecast for Chatham, MA: 64° to 93°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
93°
Best day: Sunday, August 9
73° · 0.15 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0993° / 72°0
Morning79°feels 79°
Afternoon93°feels 105°
Evening81°feels 84°
Overnight74°feels 75°
93 °
Chatham, Sunday, 9 August
Clear. High 93°, low 72°.
Pressure29.91 inHg
Wind6.2 mph SW
Humidity69%
Visibility6.2 mi
Dew point68°
Mon, 1080° / 71°0.01
Morning77°feels 78°
Afternoon80°feels 80°
Evening74°feels 75°
Overnight74°feels 74°
80 °
Chatham, Monday, 10 August
Light rain. High 80°, low 71°.
Pressure30.00 inHg
Wind7.7 mph S
Humidity65%
Visibility6.2 mi
Dew point64°
Tue, 1180° / 74°0
Morning75°feels 76°
Afternoon80°feels 80°
Evening77°feels 77°
Overnight75°feels 76°
80 °
Chatham, Tuesday, 11 August
Overcast. High 80°, low 74°.
Pressure29.80 inHg
Wind10.1 mph W
Humidity61%
Visibility6.2 mi
Dew point64°
Wed, 1273° / 64°0.15
Morning69°feels 70°
Afternoon67°feels 68°
Evening66°feels 66°
Overnight73°feels 73°
73 °
Chatham, Wednesday, 12 August
Light rain. High 73°, low 64°.
Pressure29.74 inHg
Wind20.8 mph E
Humidity89%
Visibility6.2 mi
Dew point62°
Thu, 1378° / 64°0.09
Morning66°feels 67°
Afternoon74°feels 74°
Evening76°feels 77°
Overnight66°feels 66°
78 °
Chatham, Thursday, 13 August
Light rain. High 78°, low 64°.
Pressure29.74 inHg
Wind17.3 mph NW
Humidity77%
Visibility—
Dew point64°
Fri, 1473° / 64°0
Morning65°feels 64°
Afternoon68°feels 67°
Evening72°feels 72°
Overnight68°feels 68°
73 °
Chatham, Friday, 14 August
Overcast. High 73°, low 64°.
Pressure29.91 inHg
Wind15.2 mph SW
Humidity54%
Visibility—
Dew point49°
Sat, 1569° / 66°0
Morning67°feels 66°
Afternoon68°feels 68°
Evening68°feels 68°
Overnight67°feels 67°
69 °
Chatham, Saturday, 15 August
Clear. High 69°, low 66°.
Pressure30.09 inHg
Wind13.2 mph N
Humidity67%
Visibility—
Dew point56°
Sun, 1670° / 67°0.02
Morning67°feels 67°
Afternoon70°feels 69°
Evening70°feels 69°
Overnight68°feels 67°
70 °
Chatham, Sunday, 16 August
Light rain. High 70°, low 67°.
Pressure30.27 inHg
Wind10.2 mph SW
Humidity55%
Visibility—
Dew point53°
Mon, 1774° / 67°0
Morning69°feels 69°
Afternoon74°feels 74°
Evening73°feels 73°
Overnight71°feels 71°
74 °
Chatham, Monday, 17 August
Overcast. High 74°, low 67°.
Pressure30.24 inHg
Wind15.7 mph S
Humidity55%
Visibility—
Dew point56°
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, MA 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.