10-day forecast for Chatham Port, MA: 65° to 86°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Monday, August 10
74° · 0.15 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 70°0
Morning75°feels 76°
Afternoon85°feels 90°
Evening77°feels 78°
Overnight71°feels 71°
86 °
Chatham Port, Monday, 10 August
Mostly clear. High 86°, low 70°.
Pressure29.97 inHg
Wind7.3 mph SE
Humidity64%
Visibility6.2 mi
Dew point63°
Tue, 1179° / 71°0.06
Morning75°feels 76°
Afternoon79°feels 79°
Evening75°feels 75°
Overnight73°feels 74°
79 °
Chatham Port, Tuesday, 11 August
Light rain. High 79°, low 71°.
Pressure29.77 inHg
Wind7.4 mph W
Humidity70%
Visibility6.2 mi
Dew point67°
Wed, 1277° / 69°0.09
Morning72°feels 73°
Afternoon75°feels 75°
Evening69°feels 70°
Overnight71°feels 71°
77 °
Chatham Port, Wednesday, 12 August
Light rain. High 77°, low 69°.
Pressure29.80 inHg
Wind4.9 mph SE
Humidity59%
Visibility6.2 mi
Dew point60°
Thu, 1378° / 69°0.09
Morning69°feels 70°
Afternoon78°feels 78°
Evening77°feels 77°
Overnight69°feels 70°
78 °
Chatham Port, Thursday, 13 August
Light rain. High 78°, low 69°.
Pressure29.74 inHg
Wind7.4 mph W
Humidity62%
Visibility6.2 mi
Dew point62°
Fri, 1471° / 67°0
Morning68°feels 67°
Afternoon70°feels 69°
Evening70°feels 69°
Overnight68°feels 67°
71 °
Chatham Port, Friday, 14 August
Clear. High 71°, low 67°.
Pressure30.03 inHg
Wind21.6 mph NW
Humidity45%
Visibility—
Dew point47°
Sat, 1569° / 66°0
Morning67°feels 67°
Afternoon69°feels 68°
Evening69°feels 68°
Overnight66°feels 66°
69 °
Chatham Port, Saturday, 15 August
Overcast. High 69°, low 66°.
Pressure30.18 inHg
Wind12 mph N
Humidity52%
Visibility—
Dew point51°
Sun, 1674° / 67°0.14
Morning69°feels 69°
Afternoon74°feels 74°
Evening73°feels 73°
Overnight72°feels 73°
74 °
Chatham Port, Sunday, 16 August
Light rain. High 74°, low 67°.
Pressure30.06 inHg
Wind33.5 mph S
Humidity64%
Visibility—
Dew point60°
Mon, 1774° / 65°0.15
Morning72°feels 73°
Afternoon67°feels 67°
Evening68°feels 68°
Overnight68°feels 68°
74 °
Chatham Port, Monday, 17 August
Rain. High 74°, low 65°.
Pressure29.77 inHg
Wind27.6 mph SW
Humidity80%
Visibility—
Dew point61°
Tue, 1877° / 66°0
Morning68°feels 68°
Afternoon74°feels 74°
Evening74°feels 75°
Overnight71°feels 71°
77 °
Chatham Port, Tuesday, 18 August
Overcast. High 77°, low 66°.
Pressure30.09 inHg
Wind14.9 mph SW
Humidity58%
Visibility—
Dew point57°
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 Port, 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.