10-day forecast for Union, PA: 46° to 82°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Sunday, August 9
77° · 0.27 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0981° / 65°0.01
Morning68°feels 69°
Afternoon81°feels 81°
Evening70°feels 70°
Overnight67°feels 68°
81 °
Union, Sunday, 9 August
Light rain. High 81°, low 65°.
Pressure30.06 inHg
Wind6.8 mph NW
Humidity57%
Visibility6.2 mi
Dew point61°
Mon, 1080° / 63°0.02
Morning67°feels 67°
Afternoon80°feels 80°
Evening69°feels 70°
Overnight63°feels 63°
80 °
Union, Monday, 10 August
Light rain. High 80°, low 63°.
Pressure29.97 inHg
Wind10 mph SW
Humidity61%
Visibility6.2 mi
Dew point61°
Tue, 1182° / 62°0.27
Morning66°feels 67°
Afternoon81°feels 82°
Evening66°feels 66°
Overnight64°feels 65°
82 °
Union, Tuesday, 11 August
Rain. High 82°, low 62°.
Pressure29.91 inHg
Wind5.7 mph NW
Humidity56%
Visibility6.2 mi
Dew point61°
Wed, 1277° / 61°0.27
Morning64°feels 64°
Afternoon75°feels 75°
Evening66°feels 67°
Overnight64°feels 65°
77 °
Union, Wednesday, 12 August
Rain. High 77°, low 61°.
Pressure29.77 inHg
Wind2.1 mph NW
Humidity95%
Visibility6.2 mi
Dew point65°
Thu, 1369° / 51°0
Morning63°feels 62°
Afternoon67°feels 66°
Evening57°feels 56°
Overnight53°feels 52°
69 °
Union, Thursday, 13 August
Light rain. High 69°, low 51°.
Pressure29.85 inHg
Wind13.2 mph N
Humidity45%
Visibility—
Dew point46°
Fri, 1469° / 46°0.02
Morning57°feels 56°
Afternoon67°feels 66°
Evening55°feels 55°
Overnight52°feels 51°
69 °
Union, Friday, 14 August
Light rain. High 69°, low 46°.
Pressure30.03 inHg
Wind9 mph NW
Humidity43%
Visibility—
Dew point44°
Sat, 1569° / 49°0
Morning59°feels 58°
Afternoon68°feels 67°
Evening59°feels 58°
Overnight53°feels 52°
69 °
Union, Saturday, 15 August
Clear. High 69°, low 49°.
Pressure30.21 inHg
Wind10.9 mph NW
Humidity48%
Visibility—
Dew point47°
Sun, 1673° / 49°0
Morning61°feels 60°
Afternoon71°feels 70°
Evening60°feels 60°
Overnight56°feels 55°
73 °
Union, Sunday, 16 August
Overcast. High 73°, low 49°.
Pressure30.18 inHg
Wind2.8 mph NW
Humidity43%
Visibility—
Dew point47°
Mon, 1773° / 54°0
Morning64°feels 63°
Afternoon71°feels 71°
Evening62°feels 62°
Overnight59°feels 59°
73 °
Union, Monday, 17 August
Overcast. High 73°, low 54°.
Pressure30.06 inHg
Wind11.2 mph S
Humidity62%
Visibility—
Dew point58°
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.