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Allegheny County (Pittsburgh)
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United States weather

10 day weather forecast for Allegheny County

Sunday, October 19th, 2025, at 05:01 PM
today
Special Weather Statement
Moderate rain
26° 13°
tomorrow
Moderate rain
15° 9°
Tuesday
Sunny
16° 6°
Wednesday
Patchy rain possible
11° 8°
Thursday
Partly cloudy
12° 6°
Friday
Sunny
14° 4°
Saturday
Patchy rain possible
14° 9°
 More Details See
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Allegheny County Weather Pages

Allegheny County weather forecast

The weather forecast for Allegheny County for today indicates warm conditions with temperatures around 26 °F.

Rain is expected on Sunday, Monday, and Wednesday.

Wind speeds are expected to be strong, averaging around 28 km/h.

On Monday, a notable cooling trend with temperatures reaching 15°C, and heavy rain with a 87% probability, accumulating nearly 10.25mm.

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
Sun. 19
26°
13°
Weather Alert
Moderate rain
15.8 mm
Mon. 20
15°
9°
Moderate rain
10.3 mm
Tue. 21
16°
6°
Sunny
0 mm
Wed. 22
11°
8°
Patchy rain possible
0.1 mm
Thu. 23
12°
6°
Partly cloudy
0 mm
Fri. 24
14°
4°
Sunny
0 mm
Sat. 25
14°
9°
Patchy rain possible
0.5 mm
Sun. 26
15°
11°
Patchy rain possible
0.7 mm
Mon. 27
18°
10°
Mist
0 mm
Tue. 28
16°
13°
Patchy rain possible
2.5 mm
Wed. 29
16°
13°
Patchy rain possible
0.7 mm
Thu. 30
11°
9°
Moderate rain
5.2 mm
Fri. 31
12°
6°
Partly cloudy
0.1 mm
Sat. 1
12°
5°
Patchy rain possible
2.2 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
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Mist
23°
2
Mist
23°
3
Fog
25°
4
Overcast
26°
5
Overcast
26°
6
Light rain shower
23°
7
Patchy light drizzle
18°
8
Light rain shower
17°
9
Light drizzle
16°
10
Sunny
16°
11
Sunny
18°
12
Patchy rain possible
18°
13
Overcast
20°
14
Overcast
16°
15
Patchy rain possible
13°
16
Light rain shower
13°
17
Patchy rain possible
14°
18
Overcast
20°
19
Weather Alert Moderate rain
26°
20
Moderate rain
15°
21
Sunny
16°
22
Patchy rain possible
11°
23
Partly cloudy
12°
24
Sunny
14°
25
Patchy rain possible
14°
26
Patchy rain possible
15°
27
Mist
18°
28
Patchy rain possible
16°
29
Patchy rain possible
16°
30
Moderate rain
11°
31
Partly cloudy
12°
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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