FORECAST CITY
Sign in
Shaded-relief atlas plate of South Union, Pennsylvania: rivers, roads, the city limits and where the water drains.
PENNSYLVANIA · FAYETTE COUNTY

South Union

10,420 people, in Fayette County.

10,420People, 2024 estimate
17 sq miLand area
Sunny 68°
Sunny now Dew point 58° · N 3 mph · high 71°
City of South Union River Interstate 2 miles
Explore the plate Order a print

The South 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 South Union

NWS forecast and National Blend of Models · updated 1:00 PM EDT
RIGHT NOW Joseph A Hardy Connellsville Airport (KVVS) · 2:35 PM
Sunny
68° Sunny Feels like 68° · high of 71° near 3 PM
WindN 3 mphno gusts
Humidity69%falling to 71% this afternoon
Pressure30.10 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 9 AMin about 66 hours · 77% chance · showers
LIKELY AMOUNT0.3–0.7 inmost likely 0.4; 1 in 10 over 1.4
LAST RAINSept. 230.04 in · 6 dry days
ALERTS & OUTLOOKS
No watches or warnings for Fayette County
NWS Pittsburgh and the Storm Prediction Center · checked 2:51 PM
SUN & MOON
↑ 7:12 AM7:05 PM ↓
11 h 52 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
25
GOODAir quality index · ozone
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
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
partly cloudy day
partly cloudy day
mostly clear night
mostly clear night
mostly clear night
fog
partly cloudy day
mostly sunny
partly cloudy day
partly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
partly cloudy night
partly cloudy day
mostly sunny
mostly sunny
mostly sunny
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
showers day
showers day
TEMPERATURE °F
70°
54°
75°
64°
78°
66°
CHANCE OF RAIN
77% · 0.10 in Friday morning 50%
WIND, MPH
2
1
1
1
1
1
2
5
5
4
3
3
4
5
8
10
10
7
6
6
7
9
11
12
HOW IT FEELS · DEW POINT
Comfortable: dew points 54 to 63°

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
71° 54°
0% rain — NW 2 A
WED Sept. 30 Partly cloudy Partly cloudy
77° 64°
0% rain — WSW 4 A
THU Oct. 1 Partly cloudy Partly cloudy
80° 66°
0% rain — SW 8 B
FRI Oct. 2 Showers likely Showers likely
79° 55°
80% rain 0.3–0.7″ NNW 7 C
SAT Oct. 3 Chance of showers; cooler Chance of showers; cooler
68° 55°
40% rain up to 0.4″ E 5 B
SUN Oct. 4 Chance of showers Chance of showers
68° 48°
40% rain up to 0.6″ W 3 C
MON Oct. 5 Mostly sunny Mostly sunny
64° 41°
0% rain — N 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

MILE7
ON THE NETWORK

Around South Union on the Forecast Network

Neighboring plates

Hempfield PA · 29 MI 29 miles north Mount Lebanon PA · 39 MI 39 miles northwest Cleveland OH · 151 MI 151 miles northwest Washington DC · 159 MI 159 miles southeast Baltimore MD · 170 MI 170 miles east Columbus OH · 173 MI 173 miles west
FORECASTCITY
Atlas plate of South Union, Pennsylvania. Explore the plate
PENNSYLVANIA · FAYETTE

South Union

10,420 people, in Fayette County.

10,420People
17 sq miLand
Sunny 68°
SunnyDew point 58°
1

Today in South Union

NEXT 15 HOURS
Now mostly cloudy day 70° 0%
5p partly cloudy day 70° 0%
8p mostly clear night 64° 0%
11p mostly clear night 59° 0%
2a mostly clear night 56° 0%
5a fog 54° 0%
Partly cloudy
NEXT RAINFriday about 9 AM · 77%
→
Tue0%
Partly cloudy Partly cloudy
54
71
A
Wed0%
Partly cloudy Partly cloudy
64
77
A
Thu0%
Partly cloudy Partly cloudy
66
80
B
Fri80%
Showers likely Showers likely
55
79
C
Sat40%
Chance of showers; cooler Chance of showers; cooler
55
68
B
Sun40%
Chance of showers Chance of showers
48
68
C
Mon0%
Mostly sunny Mostly sunny
41
64
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
·