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Shaded-relief atlas plate of Union, Pennsylvania: rivers, roads, the city limits and where the water drains.
PENNSYLVANIA · LEBANON COUNTY

Union

2,910 people, 520 ft above sea level in Lebanon County.

520 ftElevation, city center
2,910People, 2024 estimate
30 sq miLand area
Sunny 70°
Sunny now Dew point 58° · Calm · high 70°
City of Union River Interstate 2 miles
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The Union plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Union

NWS forecast and National Blend of Models · updated 4:00 PM EDT
RIGHT NOW Muir Army Air Field / Indiantown (KMUI) · 4:55 PM
Sunny
70° Sunny Feels like 70° · high of 70° near 5 PM
WindCalmno gusts
Humidity64%rising to 93% by morning
Pressure30.00 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 58° · Comfortableabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Partly cloudy
Friday, about 3 PMin about 69 hours · 32% chance · showers
LIKELY AMOUNT0–0.2 inmost likely 0.02; 1 in 10 over 0.5
LAST RAINSept. 280.29 in · 1 dry day
ALERTS & OUTLOOKS
No watches or warnings for Lebanon County
NWS State College and the Storm Prediction Center · checked 5:48 PM
SUN & MOON
↑ 7:00 AM6:52 PM ↓
11 h 52 m of daylight, 3 minutes less than yesterday
Waning gibbous, 88% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
29
GOODAir quality index · ozone
Tomorrow: 53, moderate. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
FRIDAY, OCT. 2
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
partly cloudy day
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
partly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
partly cloudy day
mostly sunny
partly cloudy day
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy day
partly cloudy day
showers day
TEMPERATURE °F
70°
58°
76°
63°
77°
64°
CHANCE OF RAIN
32% · 0.00 in Friday afternoon 50%
WIND, MPH
3
0
0
0
0
0
3
6
0
0
0
0
0
0
2
6
5
3
0
0
0
2
6
9
HOW IT FEELS · DEW POINT
Sticky: dew points 56 to 64°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 80° / 62°
TUE Sept. 29 Partly cloudy Partly cloudy
70° 58°
0% rain — NW 3 A
WED Sept. 30 Partly cloudy; warmer Partly cloudy; warmer
78° 62°
0% rain — SW 2 A
THU Oct. 1 Partly cloudy Partly cloudy
80° 63°
0% rain — SSW 3 B
FRI Oct. 2 Chance of showers Chance of showers
83° 56°
30% rain up to 0.2″ NW 9 B
SAT Oct. 3 Chance of showers; cooler Chance of showers; cooler
70° 52°
30% rain up to 0.1″ NE 3 B
SUN Oct. 4 Chance of showers Chance of showers
67° 52°
40% rain up to 0.8″ S 3 C
MON Oct. 5 Mostly sunny Mostly sunny
66° 43°
10% rain — NNW 8 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Union about 5,000 feet above the ground was over the Atlantic off the Carolinas three days ago, and over the Great Lakes a day ago, about 1,440 miles back along its path. Near the ground the air came from the Maritimes; at 10,000 feet, from the Atlantic off the Carolinas. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

MILE7
ON THE NETWORK

Around Union on the Forecast Network

Neighboring plates

Lancaster PA · 31 MI 31 miles southeast Reading PA · 34 MI 34 miles east Philadelphia PA · 81 MI 81 miles east Washington DC · 110 MI 110 miles south New York NY · 138 MI 138 miles east Hempstead NY · 155 MI 155 miles east
FORECASTCITY
Atlas plate of Union, Pennsylvania. Explore the plate
PENNSYLVANIA · LEBANON

Union

2,910 people, 520 ft above sea level in Lebanon County.

520 ftElevation
2,910People
30 sq miLand
Sunny 70°
SunnyDew point 58°
1

Today in Union

NEXT 15 HOURS
Now partly cloudy day 70° 0%
8p partly cloudy night 65° 1%
11p partly cloudy night 62° 0%
2a partly cloudy night 60° 2%
5a partly cloudy night 59° 0%
8a partly cloudy day 59° 0%
Partly cloudy
NEXT RAINFriday about 3 PM · 32%
→
Tue0%
Partly cloudy Partly cloudy
58
70
A
Wed0%
Partly cloudy; warmer Partly cloudy; warmer
62
78
A
Thu0%
Partly cloudy Partly cloudy
63
80
B
Fri30%
Chance of showers Chance of showers
56
83
B
Sat30%
Chance of showers; cooler Chance of showers; cooler
52
70
B
Sun40%
Chance of showers Chance of showers
52
67
C
Mon10%
Mostly sunny Mostly sunny
43
66
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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