10-day forecast for Union, PA: 54° to 87°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Sunday, August 16
87° · 1.56 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0984° / 68°0.04
Morning70°feels 72°
Afternoon81°feels 81°
Evening74°feels 75°
Overnight71°feels 73°
84 °
Union, Sunday, 9 August
Light rain. High 84°, low 68°.
Pressure30.09 inHg
Wind4.6 mph W
Humidity51%
Visibility6.2 mi
Dew point61°
Mon, 1087° / 65°1.56
Morning67°feels 68°
Afternoon79°feels 79°
Evening75°feels 77°
Overnight67°feels 68°
87 °
Union, Monday, 10 August
Heavy rain. High 87°, low 65°.
Pressure30.03 inHg
Wind11.4 mph SW
Humidity82%
Visibility5.8 mi
Dew point68°
Tue, 1180° / 64°0.12
Morning66°feels 67°
Afternoon80°feels 80°
Evening66°feels 67°
Overnight65°feels 66°
80 °
Union, Tuesday, 11 August
Rain. High 80°, low 64°.
Pressure29.97 inHg
Wind5.6 mph SW
Humidity70%
Visibility6.2 mi
Dew point67°
Wed, 1278° / 65°0.13
Morning68°feels 69°
Afternoon72°feels 73°
Evening73°feels 74°
Overnight66°feels 67°
78 °
Union, Wednesday, 12 August
Light rain. High 78°, low 65°.
Pressure29.83 inHg
Wind8.5 mph W
Humidity84%
Visibility6.2 mi
Dew point69°
Thu, 1374° / 60°0.03
Morning66°feels 66°
Afternoon72°feels 71°
Evening63°feels 62°
Overnight60°feels 60°
74 °
Union, Thursday, 13 August
Light rain. High 74°, low 60°.
Pressure29.97 inHg
Wind11.1 mph NW
Humidity46%
Visibility—
Dew point50°
Fri, 1476° / 54°0
Morning63°feels 62°
Afternoon74°feels 74°
Evening66°feels 66°
Overnight60°feels 59°
76 °
Union, Friday, 14 August
Clear. High 76°, low 54°.
Pressure30.06 inHg
Wind5.1 mph W
Humidity42%
Visibility—
Dew point49°
Sat, 1577° / 54°0
Morning63°feels 62°
Afternoon74°feels 74°
Evening66°feels 65°
Overnight60°feels 60°
77 °
Union, Saturday, 15 August
Partly cloudy. High 77°, low 54°.
Pressure30.24 inHg
Wind5.6 mph NW
Humidity43%
Visibility—
Dew point49°
Sun, 1680° / 55°0
Morning64°feels 64°
Afternoon78°feels 78°
Evening67°feels 67°
Overnight62°feels 62°
80 °
Union, Sunday, 16 August
Partly cloudy. High 80°, low 55°.
Pressure30.15 inHg
Wind3.7 mph E
Humidity41%
Visibility—
Dew point51°
Mon, 1775° / 60°0.03
Morning67°feels 66°
Afternoon73°feels 73°
Evening64°feels 65°
Overnight64°feels 64°
75 °
Union, Monday, 17 August
Light rain. High 75°, low 60°.
Pressure30.03 inHg
Wind4.9 mph N
Humidity57%
Visibility—
Dew point57°
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.