Carnegie, PA Weather Forecast
Local 7-day forecast
Patchy Fog then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Carnegie, PA in one place.
Patchy fog and a slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81. West wind 1 to 7 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Carnegie, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 12, 2026 12:38 AM EDT.
The active forecast window currently covers Aug 12 to Aug 18, 2026 for Carnegie, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 12 to Aug 18, 2026
- Latest sync
- Aug 12, 2026 12:38 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Carnegie
Sunday looks like the warmest upcoming period in Carnegie at 84 degrees F.
Friday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Sunday at about 3 to 12 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 12, 2026 12:38 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 3am, then patchy fog. Mostly cloudy, with a low around 66. Southwest wind 2 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Patchy fog before 7am, then a chance of rain showers and patchy fog between 7am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. Southwest wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 1am, then patchy fog and showers and thunderstorms likely. Mostly cloudy, with a low around 65. West wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Patchy fog and a chance of showers and thunderstorms before 8am, then patchy fog and a slight chance of showers and thunderstorms between 8am and 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 81.
A chance of rain showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then patchy fog. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Patchy fog before 9am. Mostly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 12
|
Patchy Fog then Slight Chance Showers And Thunderstorms
|
81°F |
1 to 7 mph
W
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms
|
66°F |
2 to 7 mph
SW
|
|
Thursday
Aug 13
|
Showers And Thunderstorms Likely
|
82°F |
1 to 7 mph
SW
|
|
Thursday Night
Aug 13
|
Showers And Thunderstorms Likely
|
65°F |
1 to 6 mph
W
|
|
Friday
Aug 14
|
Patchy Fog
|
82°F |
2 to 8 mph
N
|
|
Friday Night
Aug 14
|
Partly Cloudy
|
58°F |
3 to 8 mph
N
|
|
Saturday
Aug 15
|
Mostly Sunny
|
81°F |
5 mph
NE
|
|
Saturday Night
Aug 15
|
Partly Cloudy then Chance Rain Showers
|
63°F |
3 mph
E
|
|
Sunday
Aug 16
|
Showers And Thunderstorms Likely
|
84°F |
3 to 12 mph
S
|
|
Sunday Night
Aug 16
|
Showers And Thunderstorms Likely
|
68°F |
7 to 10 mph
W
|
|
Monday
Aug 17
|
Chance Rain Showers
|
82°F |
8 to 12 mph
NW
|
|
Monday Night
Aug 17
|
Chance Showers And Thunderstorms then Patchy Fog
|
61°F |
2 to 10 mph
NW
|
|
Tuesday
Aug 18
|
Patchy Fog then Mostly Sunny
|
82°F |
1 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Carnegie.
