10-day forecast for Union, PA: 52° to 87°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Monday, August 10
82° · 0.24 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0984° / 69°0.02
Morning72°feels 73°
Afternoon84°feels 83°
Evening73°feels 73°
Overnight71°feels 72°
84 °
Union, Sunday, 9 August
Light rain. High 84°, low 69°.
Pressure30.03 inHg
Wind7.3 mph NW
Humidity50%
Visibility6.2 mi
Dew point62°
Mon, 1085° / 68°0.01
Morning72°feels 72°
Afternoon82°feels 82°
Evening75°feels 75°
Overnight70°feels 70°
85 °
Union, Monday, 10 August
Light rain. High 85°, low 68°.
Pressure30.00 inHg
Wind1.2 mph SW
Humidity76%
Visibility6.2 mi
Dew point66°
Tue, 1187° / 67°0.07
Morning71°feels 72°
Afternoon86°feels 87°
Evening76°feels 76°
Overnight70°feels 71°
87 °
Union, Tuesday, 11 August
Light rain. High 87°, low 67°.
Pressure29.91 inHg
Wind7.1 mph NW
Humidity60%
Visibility6.2 mi
Dew point66°
Wed, 1282° / 66°0.24
Morning68°feels 69°
Afternoon82°feels 84°
Evening72°feels 73°
Overnight68°feels 69°
82 °
Union, Wednesday, 12 August
Rain. High 82°, low 66°.
Pressure29.74 inHg
Wind6 mph NW
Humidity87%
Visibility6.2 mi
Dew point67°
Thu, 1377° / 57°0.02
Morning69°feels 69°
Afternoon75°feels 74°
Evening64°feels 63°
Overnight58°feels 58°
77 °
Union, Thursday, 13 August
Light rain. High 77°, low 57°.
Pressure29.83 inHg
Wind11.5 mph NW
Humidity34%
Visibility—
Dew point45°
Fri, 1476° / 52°0
Morning62°feels 60°
Afternoon72°feels 71°
Evening62°feels 61°
Overnight56°feels 56°
76 °
Union, Friday, 14 August
Clear. High 76°, low 52°.
Pressure30.03 inHg
Wind8.8 mph NW
Humidity34%
Visibility—
Dew point42°
Sat, 1576° / 52°0
Morning62°feels 62°
Afternoon73°feels 73°
Evening62°feels 62°
Overnight58°feels 57°
76 °
Union, Saturday, 15 August
Clear. High 76°, low 52°.
Pressure30.15 inHg
Wind10.2 mph NW
Humidity37%
Visibility—
Dew point45°
Sun, 1677° / 52°0
Morning64°feels 63°
Afternoon75°feels 74°
Evening63°feels 62°
Overnight60°feels 59°
77 °
Union, Sunday, 16 August
Overcast. High 77°, low 52°.
Pressure30.18 inHg
Wind4.1 mph NW
Humidity37%
Visibility—
Dew point46°
Mon, 1770° / 58°0.13
Morning64°feels 63°
Afternoon67°feels 67°
Evening64°feels 65°
Overnight63°feels 64°
70 °
Union, Monday, 17 August
Light rain. High 70°, low 58°.
Pressure30.09 inHg
Wind9 mph SE
Humidity86%
Visibility—
Dew point62°
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 Union, PA 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.