10-day forecast for Union, PA: 49° to 85°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Sunday, August 9
83° · 0.29 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1076° / 67°0.12
Morning69°feels 70°
Afternoon76°feels 78°
Evening73°feels 74°
Overnight67°feels 68°
76 °
Union, Monday, 10 August
Rain. High 76°, low 67°.
Pressure29.97 inHg
Wind11.1 mph SW
Humidity95%
Visibility6.2 mi
Dew point67°
Tue, 1183° / 60°0.29
Morning64°feels 65°
Afternoon82°feels 84°
Evening65°feels 66°
Overnight66°feels 67°
83 °
Union, Tuesday, 11 August
Rain. High 83°, low 60°.
Pressure29.91 inHg
Wind9.5 mph SW
Humidity67%
Visibility6.2 mi
Dew point66°
Wed, 1277° / 63°0.13
Morning67°feels 68°
Afternoon76°feels 76°
Evening67°feels 68°
Overnight66°feels 67°
77 °
Union, Wednesday, 12 August
Rain. High 77°, low 63°.
Pressure29.77 inHg
Wind10.1 mph W
Humidity75%
Visibility6.2 mi
Dew point65°
Thu, 1368° / 52°0.05
Morning59°feels 59°
Afternoon66°feels 65°
Evening58°feels 57°
Overnight53°feels 52°
68 °
Union, Thursday, 13 August
Light rain. High 68°, low 52°.
Pressure29.94 inHg
Wind13.4 mph NW
Humidity55%
Visibility—
Dew point49°
Fri, 1471° / 49°0
Morning60°feels 59°
Afternoon69°feels 68°
Evening59°feels 59°
Overnight54°feels 53°
71 °
Union, Friday, 14 August
Mostly clear. High 71°, low 49°.
Pressure30.06 inHg
Wind13.2 mph NW
Humidity44%
Visibility—
Dew point46°
Sat, 1571° / 52°0
Morning61°feels 60°
Afternoon69°feels 68°
Evening59°feels 58°
Overnight56°feels 55°
71 °
Union, Saturday, 15 August
Light rain. High 71°, low 52°.
Pressure30.27 inHg
Wind8.6 mph NW
Humidity48%
Visibility—
Dew point48°
Sun, 1676° / 52°0
Morning63°feels 62°
Afternoon74°feels 74°
Evening62°feels 61°
Overnight58°feels 57°
76 °
Union, Sunday, 16 August
Overcast. High 76°, low 52°.
Pressure30.18 inHg
Wind5.7 mph N
Humidity46%
Visibility—
Dew point52°
Mon, 1779° / 56°0
Morning66°feels 65°
Afternoon76°feels 76°
Evening64°feels 63°
Overnight59°feels 58°
79 °
Union, Monday, 17 August
Overcast. High 79°, low 56°.
Pressure30.03 inHg
Wind6.9 mph NW
Humidity44%
Visibility—
Dew point53°
Tue, 1882° / 55°0
Morning67°feels 66°
Afternoon79°feels 79°
Evening67°feels 67°
Overnight63°feels 63°
82 °
Union, Tuesday, 18 August
Mostly clear. High 82°, low 55°.
Pressure30.00 inHg
Wind4.2 mph SE
Humidity42%
Visibility—
Dew point54°
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.