10-day forecast for Union, PA: 52° to 89°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Sunday, August 9
70°
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0985° / 70°0.01
Morning73°feels 74°
Afternoon85°feels 84°
Evening75°feels 75°
Overnight72°feels 73°
85 °
Union, Sunday, 9 August
Light rain. High 85°, low 70°.
Pressure30.03 inHg
Wind6.9 mph NW
Humidity44%
Visibility6.2 mi
Dew point61°
Mon, 1086° / 69°0.02
Morning72°feels 73°
Afternoon82°feels 83°
Evening78°feels 79°
Overnight71°feels 71°
86 °
Union, Monday, 10 August
Light rain. High 86°, low 69°.
Pressure30.00 inHg
Wind3.9 mph SW
Humidity66%
Visibility6.2 mi
Dew point65°
Tue, 1189° / 68°0.06
Morning71°feels 72°
Afternoon88°feels 89°
Evening76°feels 77°
Overnight69°feels 70°
89 °
Union, Tuesday, 11 August
Light rain. High 89°, low 68°.
Pressure29.91 inHg
Wind5.9 mph NW
Humidity53%
Visibility6.2 mi
Dew point65°
Wed, 1284° / 66°0.11
Morning68°feels 69°
Afternoon84°feels 86°
Evening76°feels 76°
Overnight69°feels 70°
84 °
Union, Wednesday, 12 August
Light rain. High 84°, low 66°.
Pressure29.74 inHg
Wind7.4 mph NW
Humidity64%
Visibility6.2 mi
Dew point66°
Thu, 1379° / 59°0.01
Morning70°feels 71°
Afternoon77°feels 77°
Evening66°feels 65°
Overnight61°feels 60°
79 °
Union, Thursday, 13 August
Light rain. High 79°, low 59°.
Pressure29.83 inHg
Wind11.6 mph NW
Humidity31%
Visibility—
Dew point44°
Fri, 1477° / 52°0
Morning63°feels 62°
Afternoon76°feels 74°
Evening67°feels 66°
Overnight59°feels 58°
77 °
Union, Friday, 14 August
Clear. High 77°, low 52°.
Pressure30.03 inHg
Wind9.4 mph NW
Humidity33%
Visibility—
Dew point43°
Sat, 1579° / 52°0
Morning64°feels 63°
Afternoon76°feels 75°
Evening64°feels 64°
Overnight59°feels 58°
79 °
Union, Saturday, 15 August
Clear. High 79°, low 52°.
Pressure30.18 inHg
Wind10.4 mph N
Humidity33%
Visibility—
Dew point44°
Sun, 1679° / 52°0
Morning64°feels 64°
Afternoon77°feels 77°
Evening67°feels 66°
Overnight61°feels 60°
79 °
Union, Sunday, 16 August
Overcast. High 79°, low 52°.
Pressure30.18 inHg
Wind3.1 mph SE
Humidity38%
Visibility—
Dew point49°
Mon, 1770° / 59°0.02
Morning67°feels 66°
Afternoon70°feels 70°
Evening65°feels 66°
Overnight65°feels 66°
70 °
Union, Monday, 17 August
Light rain. High 70°, low 59°.
Pressure30.09 inHg
Wind9.1 mph S
Humidity68%
Visibility—
Dew point59°
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.