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

Union

3,148 people, 580 ft above sea level in Adams County.

580 ftElevation, city center
3,148People, 2024 estimate
17 sq miLand area
Sunny 68°
Sunny now Dew point 61° · N 2 mph · high 67°
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 6:00 PM EDT
RIGHT NOW Carroll County Regional Jack B Poage Field (KDMW) · 6:35 PM
Sunny
68° Sunny Feels like 68° · high of 67° near 6 PM
WindN 2 mphno gusts
Humidity78%rising to 100% by morning
Pressure30.06 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 61° · Sticky69° by Friday: more humid
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Friday30% chance · showers
LIKELY AMOUNT—amounts come within 3 days
LAST RAINSept. 231.32 in · 6 dry days
ALERTS & OUTLOOKS
No watches or warnings for Adams County
NWS State College and the Storm Prediction Center · checked 6:47 PM
SUN & MOON
↑ 7:02 AM6:54 PM ↓
11 h 52 m of daylight, 3 minutes less than yesterday
Waning gibbous, 88% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
26
GOODAir quality index · ozone
Tomorrow: 50, good. 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
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
partly cloudy night
partly cloudy night
mostly clear night
partly cloudy night
partly cloudy day
mostly sunny
partly cloudy day
partly cloudy day
partly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
partly cloudy day
partly cloudy day
mostly sunny
mostly clear night
mostly clear night
mostly clear night
partly cloudy night
mostly sunny
partly cloudy day
partly cloudy day
partly cloudy day
TEMPERATURE °F
67°
57°
76°
63°
78°
64°
CHANCE OF RAIN
50%
WIND, MPH
1
0
0
0
0
2
5
5
3
3
3
2
2
3
4
5
4
3
3
3
3
5
7
7
HOW IT FEELS · DEW POINT
Sticky: dew points 57 to 69°

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
67° 57°
0% rain — NNW 1 A
WED Sept. 30 Partly cloudy; warmer Partly cloudy; warmer
77° 61°
0% rain — SW 3 A
THU Oct. 1 Partly cloudy Partly cloudy
80° 63°
0% rain — SW 4 B
FRI Oct. 2 Chance of showers Chance of showers
82° 58°
30% rain up to 0.1″ WNW 6 B
SAT Oct. 3 Chance of showers; cooler Chance of showers; cooler
67° 52°
40% rain up to 0.3″ ENE 2 C
SUN Oct. 4 Chance of showers Chance of showers
64° 52°
40% rain up to 0.8″ SW 2 C
MON Oct. 5 Mostly sunny Mostly sunny
64° 43°
10% rain — NW 5 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 1,540 miles back along its path. Near the ground the air came from the Atlantic off the Carolinas; at 10,000 feet, from the western Atlantic. Traced back 72 hours through NOAA’s hourly RAP analyses, nine paths at each of three heights.

MILE7
ON THE NETWORK

Around Union on the Forecast Network

Neighboring plates

Baltimore MD · 39 MI 39 miles southeast Columbia MD · 40 MI 40 miles south Washington DC · 59 MI 59 miles south Philadelphia PA · 103 MI 103 miles east Pittsburgh PA · 162 MI 162 miles west Newark NJ · 166 MI 166 miles northeast
FORECASTCITY
Atlas plate of Union, Pennsylvania. Explore the plate
PENNSYLVANIA · ADAMS

Union

3,148 people, 580 ft above sea level in Adams County.

580 ftElevation
3,148People
17 sq miLand
Sunny 68°
SunnyDew point 61°
1

Today in Union

NEXT 15 HOURS
Now partly cloudy day 67° 0%
9p partly cloudy night 63° 1%
12a mostly clear night 60° 0%
3a mostly clear night 59° 0%
6a partly cloudy night 58° 0%
9a mostly sunny 63° 0%
Rain
NEXT RAINFriday · 30%
→
Tue0%
Partly cloudy Partly cloudy
57
67
A
Wed0%
Partly cloudy; warmer Partly cloudy; warmer
61
77
A
Thu0%
Partly cloudy Partly cloudy
63
80
B
Fri30%
Chance of showers Chance of showers
58
82
B
Sat40%
Chance of showers; cooler Chance of showers; cooler
52
67
C
Sun40%
Chance of showers Chance of showers
52
64
C
Mon10%
Mostly sunny Mostly sunny
43
64
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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