10-day forecast for South Union, KY: 66° to 93°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Monday, August 10
87° · 1.71 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0990° / 73°0.02
Morning78°feels 80°
Afternoon90°feels 97°
Evening75°feels 76°
Overnight75°feels 76°
90 °
South Union, Sunday, 9 August
Light rain. High 90°, low 73°.
Pressure30.06 inHg
Wind8.6 mph S
Humidity63%
Visibility6.2 mi
Dew point73°
Mon, 1091° / 72°0
Morning78°feels 79°
Afternoon90°feels 98°
Evening81°feels 86°
Overnight74°feels 75°
91 °
South Union, Monday, 10 August
Clear. High 91°, low 72°.
Pressure30.09 inHg
Wind10.3 mph SW
Humidity60%
Visibility6.2 mi
Dew point72°
Tue, 1193° / 74°0.02
Morning78°feels 80°
Afternoon92°feels 100°
Evening80°feels 80°
Overnight75°feels 76°
93 °
South Union, Tuesday, 11 August
Light rain. High 93°, low 74°.
Pressure30.00 inHg
Wind13.2 mph SW
Humidity58%
Visibility6.2 mi
Dew point73°
Wed, 1290° / 68°0.52
Morning74°feels 75°
Afternoon92°feels 100°
Evening72°feels 72°
Overnight77°feels 78°
90 °
South Union, Wednesday, 12 August
Rain. High 90°, low 68°.
Pressure29.88 inHg
Wind12.8 mph SW
Humidity60%
Visibility6.2 mi
Dew point73°
Thu, 1383° / 69°0.04
Morning73°feels 75°
Afternoon80°feels 84°
Evening80°feels 83°
Overnight74°feels 75°
83 °
South Union, Thursday, 13 August
Light rain. High 83°, low 69°.
Pressure30.00 inHg
Wind6.7 mph SW
Humidity74%
Visibility—
Dew point70°
Fri, 1487° / 70°1.71
Morning74°feels 76°
Afternoon80°feels 84°
Evening77°feels 78°
Overnight70°feels 71°
87 °
South Union, Friday, 14 August
Heavy rain. High 87°, low 70°.
Pressure30.00 inHg
Wind10.1 mph NE
Humidity84%
Visibility—
Dew point74°
Sat, 1574° / 67°0.13
Morning68°feels 69°
Afternoon72°feels 73°
Evening72°feels 73°
Overnight68°feels 69°
74 °
South Union, Saturday, 15 August
Light rain. High 74°, low 67°.
Pressure30.24 inHg
Wind9.4 mph E
Humidity91%
Visibility—
Dew point69°
Sun, 1692° / 66°0.09
Morning74°feels 77°
Afternoon87°feels 96°
Evening84°feels 92°
Overnight76°feels 78°
92 °
South Union, Sunday, 16 August
Light rain. High 92°, low 66°.
Pressure30.06 inHg
Wind10.2 mph S
Humidity64%
Visibility—
Dew point72°
Mon, 1789° / 75°0.04
Morning80°feels 84°
Afternoon87°feels 97°
Evening80°feels 85°
Overnight76°feels 78°
89 °
South Union, Monday, 17 August
Light rain. High 89°, low 75°.
Pressure30.00 inHg
Wind7 mph NE
Humidity65%
Visibility—
Dew point74°
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 South Union, KY 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.