Hazardous Weather Conditions
Current conditions at
Pittsburgh - Allegheny County Airport (KAGC)
Lat: 40.36°NLon: 79.92°WElev: 1237ft.
Overcast with Haze
7°F
-14°C
| Humidity | 76% |
| Wind Speed | W 15 G 25 mph |
| Barometer | 30.16 in (1024.5 mb) |
| Dewpoint | 1°F (-17°C) |
| Visibility | 4.00 mi |
| Wind Chill | -10°F (-23°C) |
| Last update | 27 Jan 12:53 am EST |
Extended Forecast for
Castle Shannon PA
Cold Weather Advisory January 27, 07:00pm until January 28, 11:00am
Extreme Cold Warning January 27, 01:17am until January 27, 11:00am
NOW until 11:00am Tue
Extreme Cold Warning
Overnight
Low: 0 °F
Partly Cloudy
Tuesday
High: 18 °F
Chance Snow
Tuesday Night
Low: -1 °F
Chance Snow
then Partly
CloudyWednesday
High: 13 °F
Cold
Wednesday Night
Low: 2 °F
Mostly Cloudy
Thursday
High: 16 °F
Slight Chance
SnowThursday Night
Low: -8 °F
Mostly Cloudy
Friday
High: 12 °F
Cold
Detailed Forecast
Overnight
Partly cloudy, with a low around 0. Wind chill values as low as -18. Southwest wind around 14 mph.
Tuesday
A chance of snow, mainly after 4pm. Mostly cloudy, with a high near 18. Wind chill values as low as -18. Southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow before 7pm. Mostly cloudy, with a low around -1. Wind chill values as low as -14. West wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Partly sunny and cold, with a high near 13. Wind chill values as low as -15. Southwest wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 2. West wind around 9 mph.
Thursday
A slight chance of snow before 1pm. Partly sunny, with a high near 16. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around -8.
Friday
Partly sunny and cold, with a high near 12.
Friday Night
Partly cloudy, with a low around -8.
Saturday
Mostly cloudy and cold, with a high near 14.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 24.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Castle Shannon PA
40.37°N 80.02°W (Elev. 1109 ft)
40.37°N 80.02°W (Elev. 1109 ft)
12:16 am EST Jan 27, 2026
1am EST Jan 27, 2026-6pm EST Feb 2, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
