10-day forecast for Westport, MA: 57° to 89°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
70° · 1.51 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 68°0
Morning75°feels 76°
Afternoon87°feels 89°
Evening77°feels 79°
Overnight72°feels 72°
88 °
Westport, Monday, 10 August
Clear. High 88°, low 68°.
Pressure29.97 inHg
Wind7 mph SW
Humidity51%
Visibility6.2 mi
Dew point60°
Tue, 1183° / 69°0
Morning74°feels 75°
Afternoon78°feels 79°
Evening77°feels 77°
Overnight74°feels 75°
83 °
Westport, Tuesday, 11 August
Light rain. High 83°, low 69°.
Pressure29.80 inHg
Wind8.3 mph W
Humidity69%
Visibility6.2 mi
Dew point67°
Wed, 1279° / 65°0
Morning70°feels 70°
Afternoon79°feels 79°
Evening71°feels 72°
Overnight66°feels 65°
79 °
Westport, Wednesday, 12 August
Overcast. High 79°, low 65°.
Pressure29.83 inHg
Wind6.4 mph SW
Humidity44%
Visibility6.2 mi
Dew point54°
Thu, 1382° / 67°0.07
Morning74°feels 75°
Afternoon80°feels 80°
Evening80°feels 80°
Overnight71°feels 72°
82 °
Westport, Thursday, 13 August
Light rain. High 82°, low 67°.
Pressure29.65 inHg
Wind16.5 mph W
Humidity65%
Visibility—
Dew point65°
Fri, 1477° / 62°0
Morning65°feels 64°
Afternoon73°feels 71°
Evening75°feels 74°
Overnight65°feels 64°
77 °
Westport, Friday, 14 August
Clear. High 77°, low 62°.
Pressure29.94 inHg
Wind15.7 mph W
Humidity42%
Visibility—
Dew point46°
Sat, 1577° / 59°0
Morning63°feels 62°
Afternoon73°feels 72°
Evening75°feels 74°
Overnight62°feels 61°
77 °
Westport, Saturday, 15 August
Clear. High 77°, low 59°.
Pressure30.03 inHg
Wind12.5 mph NW
Humidity42%
Visibility—
Dew point46°
Sun, 1676° / 57°0
Morning63°feels 62°
Afternoon75°feels 74°
Evening71°feels 70°
Overnight65°feels 65°
76 °
Westport, Sunday, 16 August
Mostly clear. High 76°, low 57°.
Pressure30.15 inHg
Wind10.6 mph SW
Humidity38%
Visibility—
Dew point46°
Mon, 1770° / 66°1.51
Morning69°feels 69°
Afternoon70°feels 70°
Evening67°feels 67°
Overnight67°feels 68°
70 °
Westport, Monday, 17 August
Heavy rain. High 70°, low 66°.
Pressure30.03 inHg
Wind16.4 mph SE
Humidity68%
Visibility—
Dew point59°
Tue, 1875° / 64°0.34
Morning67°feels 67°
Afternoon70°feels 70°
Evening74°feels 74°
Overnight67°feels 67°
75 °
Westport, Tuesday, 18 August
Rain. High 75°, low 64°.
Pressure29.91 inHg
Wind15 mph N
Humidity77%
Visibility—
Dew point61°
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 Westport, 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.