10-day forecast for Marion, SC: 69° to 102°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
102°
Best day: Tuesday, August 11
100° · 0.8 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 74°0.15
Morning77°feels 79°
Afternoon93°feels 96°
Evening86°feels 90°
Overnight76°feels 78°
94 °
Marion, Monday, 10 August
Rain. High 94°, low 74°.
Pressure30.09 inHg
Wind8.7 mph W
Humidity43%
Visibility6.2 mi
Dew point69°
Tue, 11102° / 76°0.01
Morning80°feels 84°
Afternoon100°feels 103°
Evening87°feels 91°
Overnight76°feels 77°
102 °
Marion, Tuesday, 11 August
Light rain. High 102°, low 76°.
Pressure29.97 inHg
Wind3.6 mph W
Humidity38%
Visibility6.2 mi
Dew point68°
Wed, 12102° / 76°0.03
Morning78°feels 79°
Afternoon101°feels 105°
Evening92°feels 94°
Overnight77°feels 78°
102 °
Marion, Wednesday, 12 August
Light rain. High 102°, low 76°.
Pressure29.88 inHg
Wind7.8 mph W
Humidity39%
Visibility6.2 mi
Dew point68°
Thu, 1398° / 77°0
Morning85°feels 86°
Afternoon96°feels 100°
Evening86°feels 90°
Overnight84°feels 86°
98 °
Marion, Thursday, 13 August
Light rain. High 98°, low 77°.
Pressure29.85 inHg
Wind10.8 mph W
Humidity35%
Visibility—
Dew point64°
Fri, 14100° / 72°0.8
Morning86°feels 90°
Afternoon96°feels 102°
Evening77°feels 78°
Overnight74°feels 76°
100 °
Marion, Friday, 14 August
Heavy rain. High 100°, low 72°.
Pressure29.97 inHg
Wind20 mph NW
Humidity37%
Visibility—
Dew point67°
Sat, 1590° / 69°0
Morning76°feels 78°
Afternoon89°feels 92°
Evening81°feels 84°
Overnight76°feels 78°
90 °
Marion, Saturday, 15 August
Light rain. High 90°, low 69°.
Pressure30.12 inHg
Wind6.9 mph N
Humidity47%
Visibility—
Dew point65°
Sun, 1687° / 74°0.05
Morning78°feels 79°
Afternoon85°feels 86°
Evening78°feels 78°
Overnight74°feels 75°
87 °
Marion, Sunday, 16 August
Light rain. High 87°, low 74°.
Pressure30.12 inHg
Wind9.3 mph S
Humidity44%
Visibility—
Dew point61°
Mon, 1786° / 70°0.38
Morning77°feels 80°
Afternoon84°feels 91°
Evening76°feels 78°
Overnight74°feels 76°
86 °
Marion, Monday, 17 August
Light rain. High 86°, low 70°.
Pressure29.97 inHg
Wind11.5 mph S
Humidity67%
Visibility—
Dew point72°
Tue, 1890° / 72°0.18
Morning79°feels 83°
Afternoon88°feels 95°
Evening79°feels 79°
Overnight76°feels 77°
90 °
Marion, Tuesday, 18 August
Rain. High 90°, low 72°.
Pressure29.94 inHg
Wind8.9 mph E
Humidity56%
Visibility—
Dew point70°
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 Marion, 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.