10-day forecast for Union, PA: 30° to 69°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Tuesday, October 20
55° · 0.62 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2165° / 33°0
Morning37°feels 33°
Afternoon63°feels 60°
Evening47°feels 43°
Overnight36°feels 31°
65 °
Union, Wednesday, 21 October
Clear. High 65°, low 33°.
Pressure30.27 inHg
Wind3 mph N
Humidity48%
Visibility6.2 mi
Dew point36°
Thu, 2263° / 30°0
Morning36°feels 31°
Afternoon62°feels 60°
Evening53°feels 51°
Overnight32°feels 27°
63 °
Union, Thursday, 22 October
Clear. High 63°, low 30°.
Pressure30.12 inHg
Wind8.7 mph N
Humidity50%
Visibility6.2 mi
Dew point39°
Fri, 2356° / 40°0
Morning40°feels 35°
Afternoon55°feels 52°
Evening45°feels 43°
Overnight46°feels 42°
56 °
Union, Friday, 23 October
Mostly clear. High 56°, low 40°.
Pressure30.45 inHg
Wind6.7 mph N
Humidity49%
Visibility6.2 mi
Dew point32°
Sat, 2455° / 36°0
Morning36°feels 36°
Afternoon55°feels 53°
Evening53°feels 51°
Overnight38°feels 38°
55 °
Union, Saturday, 24 October
Clear. High 55°, low 36°.
Pressure30.59 inHg
Wind2.6 mph S
Humidity59%
Visibility6.2 mi
Dew point37°
Sun, 2559° / 37°0
Morning41°feels 41°
Afternoon51°feels 51°
Evening56°feels 55°
Overnight43°feels 43°
59 °
Union, Sunday, 25 October
Clear. High 59°, low 37°.
Pressure30.59 inHg
Wind5.5 mph S
Humidity68%
Visibility—
Dew point38°
Mon, 2665° / 39°0
Morning44°feels 43°
Afternoon57°feels 55°
Evening62°feels 61°
Overnight48°feels 47°
65 °
Union, Monday, 26 October
Clear. High 65°, low 39°.
Pressure30.33 inHg
Wind3.2 mph SW
Humidity66%
Visibility—
Dew point42°
Tue, 2765° / 47°0
Morning51°feels 51°
Afternoon59°feels 58°
Evening60°feels 59°
Overnight49°feels 47°
65 °
Union, Tuesday, 27 October
Overcast. High 65°, low 47°.
Pressure30.21 inHg
Wind5.6 mph NE
Humidity69%
Visibility—
Dew point47°
Wed, 2854° / 43°0.06
Morning45°feels 43°
Afternoon51°feels 49°
Evening52°feels 51°
Overnight52°feels 51°
54 °
Union, Wednesday, 28 October
Light rain. High 54°, low 43°.
Pressure30.30 inHg
Wind12.8 mph SE
Humidity79%
Visibility—
Dew point43°
Thu, 2955° / 39°0.62
Morning51°feels 49°
Afternoon44°feels 37°
Evening46°feels 40°
Overnight42°feels 38°
55 °
Union, Thursday, 29 October
Rain. High 55°, low 39°.
Pressure29.91 inHg
Wind15.1 mph SE
Humidity82%
Visibility—
Dew point39°
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.