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Carnegie, PA

74°F
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Carnegie

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74°
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Carnegie, PA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

August

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Mostly sunny and humid
85°
66°
27
Humid with a t-storm or two
82°
61°
28
Cloudy with a bit of rain
81°
60°
29
Partly sunny and less humid
82°
64°
30
Mostly sunny
85°
65°
31
Sunny and less humid
82°
63°
1
Sunshine
87°
66°
2
A shower and thunderstorm
87°
62°
3
Overcast, t-storms; humid
82°
61°
4
Partly sunny and less humid
81°
60°
5
Mostly sunny
82°
61°
6
Sunshine and some clouds
82°
62°
7
Times of clouds and sun
83°
61°
8
Humid with thunderstorms
80°
60°
9
Mostly sunny and less humid
84°
65°
10
Mostly sunny
87°
64°
11
A shower and t-storm; humid
81°
66°
12
Humid with clouds and sun
86°
66°
13
Couple of thunderstorms
87°
65°
14
A shower and t-storm; humid
84°
66°
15
A shower and t-storm; humid
86°
65°
16
A shower and t-storm; humid
87°
59°
17
Mostly cloudy and less humid
80°
60°
18
Mostly sunny
81°
64°
19
Clouds and sun
80°
60°
20
A shower and t-storm; humid
80°
57°
21
Mostly cloudy and less humid
78°
58°
22
Mostly sunny
80°
58°
23
Mostly sunny
86°
61°
24
Plenty of sun
87°
64°
25
Mostly sunny and very warm
88°
63°
26
A thunderstorm around
87°
57°
27
Humid with thunderstorms
80°
56°
28
Mostly sunny and less humid
79°
56°
29
Plenty of sunshine
79°
57°
30
Sunshine
84°
61°
31
Mostly sunny
84°
62°
1
Mostly sunny
85°
62°
2
Mostly sunny
85°
60°
3
Couple of thunderstorms
79°
59°
4
Sun and some clouds
84°
62°
5
A shower and t-storm; humid
80°
61°

Temperature Graph

°F
90° 82° 74° 66° 58° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

August Weather in Carnegie

Carnegie's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 56° and 66°. The average high for August is 83° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Carnegie. See also: September | October | November.

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Weather Near Carnegie:

  • Bethel Park, PA
  • Morgantown, WV
  • Pittsburgh, PA
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