10-day forecast for Southport, CT: 63° to 89°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
77° · 0.48 in
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 70°0.37
Morning74°feels 74°
Afternoon86°feels 87°
Evening73°feels 74°
Overnight72°feels 72°
86 °
Southport, Monday, 10 August
Heavy rain. High 86°, low 70°.
Pressure29.97 inHg
Wind2.3 mph W
Humidity46%
Visibility6.2 mi
Dew point59°
Tue, 1186° / 71°0
Morning72°feels 73°
Afternoon83°feels 84°
Evening77°feels 77°
Overnight72°feels 73°
86 °
Southport, Tuesday, 11 August
Overcast. High 86°, low 71°.
Pressure29.85 inHg
Wind4.6 mph NW
Humidity59%
Visibility6.2 mi
Dew point64°
Wed, 1279° / 71°0
Morning71°feels 71°
Afternoon78°feels 78°
Evening72°feels 73°
Overnight73°feels 73°
79 °
Southport, Wednesday, 12 August
Overcast. High 79°, low 71°.
Pressure29.77 inHg
Wind7.6 mph NE
Humidity59%
Visibility6.2 mi
Dew point59°
Thu, 1382° / 67°0
Morning70°feels 70°
Afternoon82°feels 82°
Evening79°feels 79°
Overnight68°feels 69°
82 °
Southport, Thursday, 13 August
Clear. High 82°, low 67°.
Pressure29.83 inHg
Wind8.1 mph NW
Humidity54%
Visibility6.2 mi
Dew point61°
Fri, 1473° / 64°0.02
Morning66°feels 65°
Afternoon69°feels 69°
Evening72°feels 71°
Overnight67°feels 67°
73 °
Southport, Friday, 14 August
Light rain. High 73°, low 64°.
Pressure30.09 inHg
Wind9.3 mph NW
Humidity63%
Visibility—
Dew point55°
Sat, 1577° / 63°0
Morning66°feels 66°
Afternoon74°feels 73°
Evening76°feels 76°
Overnight70°feels 70°
77 °
Southport, Saturday, 15 August
Partly cloudy. High 77°, low 63°.
Pressure30.18 inHg
Wind9 mph S
Humidity48%
Visibility—
Dew point51°
Sun, 1677° / 70°0.48
Morning71°feels 72°
Afternoon73°feels 74°
Evening77°feels 79°
Overnight76°feels 77°
77 °
Southport, Sunday, 16 August
Rain. High 77°, low 70°.
Pressure29.97 inHg
Wind21.3 mph S
Humidity91%
Visibility—
Dew point69°
Mon, 1779° / 64°0.03
Morning67°feels 68°
Afternoon73°feels 73°
Evening77°feels 77°
Overnight69°feels 69°
79 °
Southport, Monday, 17 August
Light rain. High 79°, low 64°.
Pressure29.88 inHg
Wind16.9 mph N
Humidity57%
Visibility—
Dew point55°
Tue, 1882° / 66°0
Morning69°feels 68°
Afternoon75°feels 75°
Evening81°feels 81°
Overnight73°feels 73°
82 °
Southport, Tuesday, 18 August
Overcast. High 82°, low 66°.
Pressure30.12 inHg
Wind15.9 mph S
Humidity54%
Visibility—
Dew point55°
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 Southport, CT 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.