10-day forecast for Irwin, SC: 66° to 99°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Tuesday, August 11
81° · 0.55 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1098° / 74°0.02
Morning76°feels 77°
Afternoon93°feels 92°
Evening76°feels 77°
Overnight76°feels 76°
98 °
Irwin, Monday, 10 August
Light rain. High 98°, low 74°.
Pressure30.09 inHg
Wind7.2 mph W
Humidity41%
Visibility6.2 mi
Dew point67°
Tue, 1199° / 71°0
Morning75°feels 76°
Afternoon98°feels 100°
Evening87°feels 89°
Overnight73°feels 74°
99 °
Irwin, Tuesday, 11 August
Light rain. High 99°, low 71°.
Pressure30.03 inHg
Wind4.2 mph NW
Humidity43%
Visibility6.2 mi
Dew point67°
Wed, 1299° / 72°0.06
Morning77°feels 78°
Afternoon99°feels 101°
Evening84°feels 87°
Overnight76°feels 77°
99 °
Irwin, Wednesday, 12 August
Light rain. High 99°, low 72°.
Pressure29.91 inHg
Wind8.4 mph W
Humidity39%
Visibility6.2 mi
Dew point66°
Thu, 1394° / 71°0.09
Morning79°feels 80°
Afternoon93°feels 95°
Evening83°feels 86°
Overnight78°feels 78°
94 °
Irwin, Thursday, 13 August
Light rain. High 94°, low 71°.
Pressure29.88 inHg
Wind7.3 mph NW
Humidity38%
Visibility—
Dew point62°
Fri, 1485° / 74°0.02
Morning77°feels 78°
Afternoon83°feels 85°
Evening76°feels 78°
Overnight74°feels 75°
85 °
Irwin, Friday, 14 August
Light rain. High 85°, low 74°.
Pressure30.06 inHg
Wind5.8 mph W
Humidity49%
Visibility—
Dew point62°
Sat, 1574° / 68°0.09
Morning71°feels 72°
Afternoon72°feels 73°
Evening71°feels 71°
Overnight68°feels 69°
74 °
Irwin, Saturday, 15 August
Light rain. High 74°, low 68°.
Pressure30.21 inHg
Wind7.1 mph NE
Humidity76%
Visibility—
Dew point64°
Sun, 1687° / 66°0
Morning74°feels 74°
Afternoon83°feels 83°
Evening76°feels 76°
Overnight73°feels 73°
87 °
Irwin, Sunday, 16 August
Overcast. High 87°, low 66°.
Pressure30.18 inHg
Wind4.6 mph E
Humidity48%
Visibility—
Dew point60°
Mon, 1781° / 71°0.55
Morning73°feels 74°
Afternoon79°feels 80°
Evening76°feels 78°
Overnight73°feels 75°
81 °
Irwin, Monday, 17 August
Rain. High 81°, low 71°.
Pressure30.09 inHg
Wind8.6 mph S
Humidity78%
Visibility—
Dew point71°
Tue, 1889° / 70°0.36
Morning74°feels 76°
Afternoon80°feels 84°
Evening80°feels 80°
Overnight76°feels 78°
89 °
Irwin, Tuesday, 18 August
Rain. High 89°, low 70°.
Pressure29.97 inHg
Wind7.8 mph SW
Humidity76%
Visibility—
Dew point71°
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 Irwin, 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.