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Allegheny County (Pittsburgh)
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United States weather

10 day weather forecast for Allegheny County

Friday, June 19th, 2026, at 08:45 PM
today
Sunny
27° 15°
tomorrow
Patchy rain possible
23° 11°
Sunday
Patchy rain possible
25° 11°
Monday
Heavy rain
18° 14°
Tuesday
Patchy rain possible
25° 14°
Wednesday
Sunny
25° 11°
Thursday
Patchy rain possible
26° 13°
 More Details See
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Allegheny County Weather Pages

Allegheny County weather forecast

The weather forecast for Allegheny County over the next 3 days indicates very wet conditions with temperatures ranging from 23 °F to 27 °F.

Rain is expected from Saturday until Tuesday.

Wind speeds are expected to be breezy, averaging around 19 km/h.

On Monday, a notable cooling trend with temperatures reaching 18°C, and heavy rain with a 94% probability, accumulating nearly 41.25mm.

Weather today
Allegheny County weather forecast

Allegheny County 14 days weather forecast

This weeks weather in Allegheny County. Click on a date for detailed forecasts
Fri. 19
27°
15°
Sunny
0 mm
Sat. 20
23°
11°
Patchy rain possible
1.9 mm
Sun. 21
25°
11°
Patchy rain possible
0.2 mm
Mon. 22
18°
14°
Heavy rain
41.3 mm
Tue. 23
25°
14°
Patchy rain possible
0.2 mm
Wed. 24
25°
11°
Sunny
0 mm
Thu. 25
26°
13°
Patchy rain possible
0.1 mm
Fri. 26
27°
13°
Sunny
0 mm
Sat. 27
30°
15°
Moderate rain
6.8 mm
Sun. 28
29°
20°
Patchy rain possible
3.7 mm
Mon. 29
30°
20°
Patchy rain possible
1 mm
Tue. 30
33°
19°
Partly cloudy
0 mm
Wed. 1
32°
19°
Patchy rain possible
4.3 mm
Thu. 2
30°
19°
Patchy rain possible
3.1 mm
Further Ahead
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Access Allegheny County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Allegheny County long range weather forecast

30 day weather forecast for Allegheny County
May
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
25°
2
Sunny
25°
3
Sunny
29°
4
Sunny
30°
5
Overcast
29°
6
Moderate or heavy rain shower
27°
7
Partly cloudy
24°
8
Patchy rain possible
24°
9
Moderate rain at times
26°
10
Cloudy
24°
11
Patchy rain possible
28°
12
Moderate or heavy rain shower
26°
13
Sunny
27°
14
Moderate or heavy rain shower
25°
15
Cloudy
23°
16
Moderate or heavy rain shower
25°
17
Overcast
28°
18
Sunny
30°
19
Sunny
27°
20
Patchy rain possible
23°
21
Patchy rain possible
25°
22
Heavy rain
18°
23
Patchy rain possible
25°
24
Sunny
25°
25
Patchy rain possible
26°
26
Sunny
27°
27
Moderate rain
30°
28
Patchy rain possible
29°
29
Patchy rain possible
30°
30
Partly cloudy
33°
Important Notice
Our Allegheny County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Allegheny County

The chart displays the expected rainfall values (in mm) over the next 14 days in Allegheny County, highlighting variations in precipitation levels for specific dates. ☔

Allegheny County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Allegheny County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Location coordinates Where is Allegheny County?

Get accurate weather forecasts for Allegheny County, located at latitude 40.441 and longitude -79.996. Stay updated with localized weather information tailored for Allegheny County.

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