SOUTH PARK, PA 15129 Weather Forecast & Current Conditions

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ALLEGHENY CO. ARPT, PA
Current Weather

11:53 AM EDT MAY 23, 2026
Overcast
55°F
Feels Like: 51°F
Dewpoint: 52°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: SE at 13 mph
Pressure: 30.14 inches
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SOUTH PARK, PA 15129
Weather Forecast

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Snow Depth pages
THIS AFTERNOON
Considerable cloudiness with a chance of showers with a slight chance of thunderstorms. Highs in the lower 60s. Southeast winds around 15 mph with gusts up to 30 mph. Chance of rain 50 percent.
TONIGHT
Considerable cloudiness with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.
SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. More humid with highs in the upper 70s. Southeast winds around 5 mph. Chance of rain 50 percent.
SUNDAY NIGHT
Considerable cloudiness. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Warm with lows around 60. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent.
MEMORIAL DAY
Mostly cloudy. A chance of showers in the morning. Highs around 80. Northwest winds around 5 mph. Chance of rain 50 percent.
MONDAY NIGHT
Mostly cloudy. Warm with lows around 60.
TUESDAY
Considerable cloudiness in the morning, then becoming partly sunny. Warm with highs in the lower 80s.
TUESDAY NIGHT
Mostly cloudy. Warm with lows in the mid 60s.
WEDNESDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. Warm with highs in the lower 80s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers. Warm with lows in the lower 60s. Chance of rain 50 percent.
THURSDAY
Partly sunny with a chance of showers. Warm with highs in the lower 80s. Chance of rain 40 percent.
THURSDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 30 percent.
FRIDAY
Mostly sunny. Highs in the mid 70s.

Visible Weather Satellite
SOUTH PARK, PA 15129
Infrared Weather Satellite
SOUTH PARK, PA 15129
NEXRAD Weather Radar
SOUTH PARK, PA 15129

ALLEGHENY CO. ARPT, PA 3 hourly weather forecast

weather forecast created  7:00 AM CDT  5/23/2026
Saturday
23 MAY 2026
SOUTH PARK, PA 15129 weather forecast Day 1, 12 hours 2 PM 59° 56° Mostly Cloudy 20%
RAIN
.01–.1 in
0% Thunder
( 17% severe)
SE   15 83% 54°
High 63° SOUTH PARK, PA 15129 weather forecast Day 1, 15 hours 5 PM 62° 60° Mostly Cloudy SE   16 72% 53°
Mostly Cloudy

Rain Likely

SOUTH PARK, PA 15129 weather forecast Day 1, 18 hours 8 PM 60° 57° Mostly Cloudy 51%
RAIN
.1–.25 in
0% Thunder
( 20% severe)
SE   15 69% 50°
SOUTH PARK, PA 15129 weather forecast Day 1, 21 hours 11 PM 59° 57° Mostly Cloudy SE   13 72% 50°
Sunday
24 MAY 2026
SOUTH PARK, PA 15129 weather forecast Day 2, 0 hours 2 AM 58° 56° Mostly Cloudy 76%
RAIN
.25–.5 in
0% Thunder
( 14% severe)
SSE   10 83% 53°
Low 55° SOUTH PARK, PA 15129 weather forecast Day 2, 3 hours 5 AM 59° 57° Mostly Cloudy SE   9 83% 54°
High 77° SOUTH PARK, PA 15129 weather forecast Day 2, 6 hours 8 AM 61° 60° Mostly Cloudy 42%
RAIN
.5–1 in
0% Thunder
( 13% severe)
SSE   7 87% 57°

Mostly Cloudy

Rain Likely

SOUTH PARK, PA 15129 weather forecast Day 2, 9 hours 11 AM 68° 68° Mostly Cloudy S   6 78% 61°
SOUTH PARK, PA 15129 weather forecast Day 2, 12 hours 2 PM 74° 74° Mostly Cloudy 57%
RAIN
***
0% Thunder
( 39% severe)
S   5 76% 66°
SOUTH PARK, PA 15129 weather forecast Day 2, 15 hours 5 PM 76° 78° Mostly Cloudy SSW   5 71% 66°
SOUTH PARK, PA 15129 weather forecast Day 2, 18 hours 8 PM 73° 73° Mostly Cloudy 42%
RAIN
.01–.1 in
0% Thunder
( 24% severe)
SE   3 73% 64°
SOUTH PARK, PA 15129 weather forecast Day 2, 21 hours 11 PM 67° 67° Mostly Cloudy SSE   3 81% 61°
Monday
25 MAY 2026
SOUTH PARK, PA 15129 weather forecast Day 3, 0 hours 2 AM 64° 65° Mostly Cloudy 47%
RAIN
1–2 in
0% Thunder
( 6% severe)
SSE   3 90% 61°
Low 61° SOUTH PARK, PA 15129 weather forecast Day 3, 3 hours 5 AM 63° 64° Mostly Cloudy S   3 90% 60°
High 79° SOUTH PARK, PA 15129 weather forecast Day 3, 6 hours 8 AM 65° 65° Mostly Cloudy 26%
RAIN
.01–.1 in
0% Thunder
( 10% severe)
WNW   3 90% 62°

Mostly Cloudy

Chance of Rain

SOUTH PARK, PA 15129 weather forecast Day 3, 9 hours 11 AM 72° 72° Mostly Cloudy W   3 73% 63°
SOUTH PARK, PA 15129 weather forecast Day 3, 15 hours 2 PM 77° 79° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 18% severe)
  CALM 64% 64°
SOUTH PARK, PA 15129 weather forecast Day 3, 18 hours 5 PM 78° 80° Mostly Cloudy N   3 58% 62°
SOUTH PARK, PA 15129 weather forecast Day 3, 21 hours 8 PM 75° 75° Mostly Cloudy     NNE   2 64% 62°

ALLEGHENY CO. ARPT, PA extended weather forecast

Tuesday
26 MAY 2026
Wednesday
27 MAY 2026
Thursday
28 MAY 2026
Friday
29 MAY 2026
Saturday
30 MAY 2026
Low 61° Low 64° Low 62° Low 62° Low 63°
High 82° High 80° High 80° High 80° High 78°
SOUTH PARK, PA 15129 weather forecast Day 4 SOUTH PARK, PA 15129 weather forecast Day 5 SOUTH PARK, PA 15129 weather forecast Day 6 SOUTH PARK, PA 15129 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
19% Rain
Mostly Cloudy
38% Rain
Overcast
62% Rain
Mostly Cloudy
54% Rain
Overcast
60% Rain
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