10-day forecast for Union, PA: 50° to 85°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Sunday, August 9
85° · 0.2 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0985° / 68°0.01
Morning72°feels 74°
Afternoon82°feels 82°
Evening73°feels 73°
Overnight69°feels 70°
85 °
Union, Sunday, 9 August
Light rain. High 85°, low 68°.
Pressure30.00 inHg
Wind6.7 mph W
Humidity45%
Visibility6.2 mi
Dew point61°
Mon, 1080° / 67°0.04
Morning70°feels 70°
Afternoon70°feels 71°
Evening72°feels 73°
Overnight68°feels 68°
80 °
Union, Monday, 10 August
Light rain. High 80°, low 67°.
Pressure30.03 inHg
Wind5.6 mph SW
Humidity78%
Visibility6.2 mi
Dew point63°
Tue, 1185° / 68°0.2
Morning70°feels 71°
Afternoon85°feels 87°
Evening74°feels 74°
Overnight71°feels 72°
85 °
Union, Tuesday, 11 August
Light rain. High 85°, low 68°.
Pressure29.91 inHg
Wind5.6 mph W
Humidity81%
Visibility6.2 mi
Dew point71°
Wed, 1281° / 66°0.01
Morning67°feels 68°
Afternoon81°feels 83°
Evening70°feels 71°
Overnight66°feels 67°
81 °
Union, Wednesday, 12 August
Light rain. High 81°, low 66°.
Pressure29.77 inHg
Wind8.2 mph W
Humidity69%
Visibility6.2 mi
Dew point65°
Thu, 1384° / 63°0.07
Morning72°feels 72°
Afternoon81°feels 81°
Evening70°feels 70°
Overnight66°feels 67°
84 °
Union, Thursday, 13 August
Light rain. High 84°, low 63°.
Pressure29.77 inHg
Wind9.4 mph NW
Humidity46%
Visibility—
Dew point58°
Fri, 1473° / 54°0.01
Morning62°feels 62°
Afternoon71°feels 70°
Evening60°feels 59°
Overnight55°feels 55°
73 °
Union, Friday, 14 August
Light rain. High 73°, low 54°.
Pressure30.00 inHg
Wind11.3 mph NW
Humidity46%
Visibility—
Dew point49°
Sat, 1577° / 50°0
Morning62°feels 61°
Afternoon74°feels 73°
Evening65°feels 64°
Overnight59°feels 58°
77 °
Union, Saturday, 15 August
Mostly clear. High 77°, low 50°.
Pressure30.12 inHg
Wind7.9 mph SW
Humidity37%
Visibility—
Dew point45°
Sun, 1674° / 54°0.04
Morning64°feels 64°
Afternoon72°feels 72°
Evening62°feels 61°
Overnight57°feels 57°
74 °
Union, Sunday, 16 August
Light rain. High 74°, low 54°.
Pressure30.15 inHg
Wind5.3 mph NW
Humidity58%
Visibility—
Dew point56°
Mon, 1775° / 51°0
Morning62°feels 61°
Afternoon72°feels 71°
Evening56°feels 56°
Overnight54°feels 53°
75 °
Union, Monday, 17 August
Overcast. High 75°, low 51°.
Pressure30.18 inHg
Wind8.5 mph SW
Humidity35%
Visibility—
Dew point43°
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.