10-day forecast for Union, PA: 50° to 86°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Tuesday, August 18
86° · 0.78 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1082° / 66°0.02
Morning71°feels 71°
Afternoon78°feels 78°
Evening77°feels 78°
Overnight69°feels 69°
82 °
Union, Monday, 10 August
Light rain. High 82°, low 66°.
Pressure29.97 inHg
Wind4.3 mph SW
Humidity58%
Visibility6.2 mi
Dew point65°
Tue, 1186° / 64°0.78
Morning67°feels 68°
Afternoon84°feels 84°
Evening73°feels 73°
Overnight69°feels 70°
86 °
Union, Tuesday, 11 August
Heavy rain. High 86°, low 64°.
Pressure29.91 inHg
Wind11.3 mph NW
Humidity59%
Visibility6.2 mi
Dew point64°
Wed, 1282° / 63°0.01
Morning67°feels 67°
Afternoon81°feels 83°
Evening75°feels 76°
Overnight65°feels 65°
82 °
Union, Wednesday, 12 August
Light rain. High 82°, low 63°.
Pressure29.77 inHg
Wind9.1 mph W
Humidity70%
Visibility6.2 mi
Dew point66°
Thu, 1380° / 58°0
Morning71°feels 72°
Afternoon78°feels 77°
Evening66°feels 64°
Overnight66°feels 67°
80 °
Union, Thursday, 13 August
Light rain. High 80°, low 58°.
Pressure29.80 inHg
Wind13.8 mph NW
Humidity34%
Visibility—
Dew point47°
Fri, 1476° / 52°0
Morning63°feels 62°
Afternoon73°feels 72°
Evening62°feels 61°
Overnight56°feels 55°
76 °
Union, Friday, 14 August
Mostly clear. High 76°, low 52°.
Pressure30.03 inHg
Wind9.9 mph N
Humidity36%
Visibility—
Dew point44°
Sat, 1576° / 50°0
Morning61°feels 60°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight55°feels 53°
76 °
Union, Saturday, 15 August
Mostly clear. High 76°, low 50°.
Pressure30.15 inHg
Wind12.6 mph N
Humidity36%
Visibility—
Dew point43°
Sun, 1677° / 50°0
Morning62°feels 61°
Afternoon75°feels 74°
Evening64°feels 63°
Overnight57°feels 56°
77 °
Union, Sunday, 16 August
Overcast. High 77°, low 50°.
Pressure30.15 inHg
Wind5.2 mph E
Humidity39%
Visibility—
Dew point47°
Mon, 1781° / 56°0
Morning66°feels 65°
Afternoon79°feels 79°
Evening69°feels 69°
Overnight64°feels 64°
81 °
Union, Monday, 17 August
Mostly clear. High 81°, low 56°.
Pressure30.00 inHg
Wind2.8 mph SE
Humidity41%
Visibility—
Dew point52°
Tue, 1883° / 58°0
Morning68°feels 68°
Afternoon81°feels 81°
Evening72°feels 71°
Overnight66°feels 66°
83 °
Union, Tuesday, 18 August
Mostly clear. High 83°, low 58°.
Pressure30.03 inHg
Wind3.8 mph NE
Humidity43%
Visibility—
Dew point55°
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.