10-day forecast for Swansea, SC: 72° to 101°, with precipitation expected on 8 days. The table below breaks each day into morning, afternoon, evening and overnight.
100°
Best day: Friday, August 14
96° · 1.45 in
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1092° / 74°0.17
Morning76°feels 78°
Afternoon92°feels 95°
Evening84°feels 88°
Overnight75°feels 76°
92 °
Swansea, Monday, 10 August
Rain. High 92°, low 74°.
Pressure30.12 inHg
Wind7.8 mph W
Humidity53%
Visibility6.2 mi
Dew point72°
Tue, 1197° / 74°0
Morning77°feels 78°
Afternoon96°feels 99°
Evening89°feels 92°
Overnight76°feels 77°
97 °
Swansea, Tuesday, 11 August
Mostly clear. High 97°, low 74°.
Pressure30.03 inHg
Wind8.7 mph W
Humidity45%
Visibility6.2 mi
Dew point67°
Wed, 12100° / 75°0.09
Morning77°feels 78°
Afternoon98°feels 101°
Evening92°feels 95°
Overnight79°feels 79°
100 °
Swansea, Wednesday, 12 August
Light rain. High 100°, low 75°.
Pressure29.94 inHg
Wind11.7 mph W
Humidity45%
Visibility6.2 mi
Dew point68°
Thu, 1397° / 74°0.04
Morning76°feels 78°
Afternoon95°feels 100°
Evening86°feels 90°
Overnight74°feels 76°
97 °
Swansea, Thursday, 13 August
Light rain. High 97°, low 74°.
Pressure29.91 inHg
Wind8.6 mph W
Humidity39%
Visibility—
Dew point65°
Fri, 14100° / 78°0.01
Morning85°feels 87°
Afternoon97°feels 103°
Evening84°feels 88°
Overnight80°feels 80°
100 °
Swansea, Friday, 14 August
Light rain. High 100°, low 78°.
Pressure30.00 inHg
Wind19.2 mph N
Humidity35%
Visibility—
Dew point65°
Sat, 1594° / 74°0.17
Morning82°feels 85°
Afternoon92°feels 99°
Evening77°feels 79°
Overnight75°feels 76°
94 °
Swansea, Saturday, 15 August
Rain. High 94°, low 74°.
Pressure30.12 inHg
Wind6.6 mph NE
Humidity49%
Visibility—
Dew point70°
Sun, 1691° / 74°0.17
Morning80°feels 83°
Afternoon87°feels 94°
Evening83°feels 89°
Overnight76°feels 78°
91 °
Swansea, Sunday, 16 August
Rain. High 91°, low 74°.
Pressure30.12 inHg
Wind9.4 mph SE
Humidity60%
Visibility—
Dew point71°
Mon, 17101° / 74°0.11
Morning83°feels 86°
Afternoon95°feels 102°
Evening80°feels 84°
Overnight75°feels 76°
101 °
Swansea, Monday, 17 August
Light rain. High 101°, low 74°.
Pressure29.94 inHg
Wind20.2 mph NE
Humidity43%
Visibility—
Dew point68°
Tue, 1896° / 72°1.45
Morning80°feels 84°
Afternoon92°feels 99°
Evening72°feels 73°
Overnight73°feels 74°
96 °
Swansea, Tuesday, 18 August
Heavy rain. High 96°, low 72°.
Pressure29.88 inHg
Wind20.2 mph N
Humidity47%
Visibility—
Dew point69°
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 Swansea, SC 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.