10-day forecast for Union, PA: 46° to 83°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Sunday, August 9
79° · 0.34 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0981° / 65°0
Morning67°feels 68°
Afternoon76°feels 76°
Evening72°feels 72°
Overnight67°feels 68°
81 °
Union, Sunday, 9 August
Mostly clear. High 81°, low 65°.
Pressure30.06 inHg
Wind6.6 mph W
Humidity47%
Visibility6.2 mi
Dew point58°
Mon, 1083° / 63°0.26
Morning66°feels 67°
Afternoon80°feels 82°
Evening66°feels 66°
Overnight65°feels 65°
83 °
Union, Monday, 10 August
Rain. High 83°, low 63°.
Pressure30.00 inHg
Wind5.3 mph SW
Humidity94%
Visibility6.2 mi
Dew point67°
Tue, 1179° / 62°0.34
Morning63°feels 64°
Afternoon79°feels 79°
Evening68°feels 69°
Overnight66°feels 66°
79 °
Union, Tuesday, 11 August
Rain. High 79°, low 62°.
Pressure29.97 inHg
Wind7.5 mph W
Humidity72%
Visibility6.2 mi
Dew point64°
Wed, 1271° / 62°0.11
Morning64°feels 65°
Afternoon69°feels 70°
Evening67°feels 68°
Overnight62°feels 63°
71 °
Union, Wednesday, 12 August
Light rain. High 71°, low 62°.
Pressure29.83 inHg
Wind2.6 mph W
Humidity99%
Visibility3.0 mi
Dew point66°
Thu, 1367° / 59°0.06
Morning63°feels 63°
Afternoon62°feels 61°
Evening61°feels 60°
Overnight60°feels 59°
67 °
Union, Thursday, 13 August
Light rain. High 67°, low 59°.
Pressure29.91 inHg
Wind9.7 mph NW
Humidity82%
Visibility—
Dew point56°
Fri, 1470° / 48°0
Morning58°feels 56°
Afternoon68°feels 67°
Evening56°feels 55°
Overnight50°feels 50°
70 °
Union, Friday, 14 August
Clear. High 70°, low 48°.
Pressure30.00 inHg
Wind10.1 mph NW
Humidity40%
Visibility—
Dew point43°
Sat, 1570° / 46°0
Morning57°feels 56°
Afternoon68°feels 67°
Evening57°feels 56°
Overnight52°feels 51°
70 °
Union, Saturday, 15 August
Clear. High 70°, low 46°.
Pressure30.24 inHg
Wind10.7 mph N
Humidity37%
Visibility—
Dew point40°
Sun, 1675° / 49°0
Morning60°feels 59°
Afternoon73°feels 72°
Evening61°feels 60°
Overnight57°feels 56°
75 °
Union, Sunday, 16 August
Partly cloudy. High 75°, low 49°.
Pressure30.30 inHg
Wind2.4 mph S
Humidity38%
Visibility—
Dew point45°
Mon, 1777° / 52°0
Morning62°feels 61°
Afternoon75°feels 74°
Evening65°feels 65°
Overnight62°feels 61°
77 °
Union, Monday, 17 August
Overcast. High 77°, low 52°.
Pressure30.09 inHg
Wind8 mph SW
Humidity40%
Visibility—
Dew point48°
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.