Allegheny County (Pittsburgh)
March
Weather in Allegheny County for March 2026
Your guide to Allegheny County weather in March - trends and predictions
Allegheny County typically experiences moderate snowfall in March, with an average of 7 snowy days.
In general, the average temperature in Allegheny County at the beginning of March is 12.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 13.6 °F by the end of March.
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Snow Forecast ❄️
Temperatures
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12
Dry days
12
Rainy days
7
Snow days
11°/1°
Temperatures
18 km/h
Avg max wind
68 %
Avg humidity
Allegheny County Weather March
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  13° | 2  8° | 3  11° | 4  13° | 5 16° | 6 13° | 7 11° |
| 8  9° | 9 10° | 10 9° | 11  10° | 12  10° | 13  13° | 14 13° |
| 15 14° | 16 16° | 17  11° | 18 8° | 19 11° | 20  11° | 21 9° |
| 22 10° | 23  11° | 24 10° | 25  17° | 26 10° | 27  13° | 28 11° |
| 29  14° | 30 13° | 31 17° |
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Temperatures trend during March in Allegheny County
See the weather trend as well as the moving average line
March weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Mar. 1 | Overcast | 13° /-2° | 0.1 mm | 0 cm | |
| Mar. 2 | Light rain shower | 8° /0° | 0.9 mm | 0 cm | |
| Mar. 3 | Heavy rain | 11° /1° | 4.3 mm | 0 cm | |
| Mar. 4 | Light snow | 13° /2° | 0.4 mm | 0 cm | |
| Mar. 5 | Overcast | 16° /5° | 8.8 mm | 0 cm | |
| Mar. 6 | Overcast | 13° /3° | 3.1 mm | 0 cm | |
| Mar. 7 | Overcast | 11° /1° | 0.2 mm | 0 cm | |
| Mar. 8 | Cloudy | 9° /1° | 0.4 mm | 0 cm | |
| Mar. 9 | Overcast | 10° /1° | 7.2 mm | 0 cm | |
| Mar. 10 | Light rain shower | 9° /0° | 4.8 mm | 1.2 cm | |
| Mar. 11 | Light snow showers | 10° /1° | 0.2 mm | 0.1 cm | |
| Mar. 12 | Heavy snow | 10° /1° | 0.9 mm | 0.7 cm | |
| Mar. 13 | Moderate or heavy snow showers | 13° /5° | 1.5 mm | 1.1 cm | |
| Mar. 14 | Light snow showers | 13° /3° | 0.5 mm | 0.1 cm | |
| Mar. 15 | Overcast | 14° /3° | 8.2 mm | 0 cm | |
| Mar. 16 | Overcast | 16° /3° | 3.2 mm | 0 cm | |
| Mar. 17 | Light rain | 11° /1° | 3.4 mm | 0.1 cm | |
| Mar. 18 | Overcast | 8° /-2° | 0.2 mm | 0.1 cm | |
| Mar. 19 | Overcast | 11° /0° | 0.1 mm | 0 cm | |
| Mar. 20 | Sunny | 11° /-1° | 0.2 mm | 0 cm | |
| Mar. 21 | Overcast | 9° /-2° | 0 mm | 0 cm | |
| Mar. 22 | Light drizzle | 10° /1° | 0.3 mm | 0 cm | |
| Mar. 23 | Moderate or heavy rain with thunder | 11° /2° | 8.6 mm | 0 cm | |
| Mar. 24 | Light rain | 10° /1° | 8.2 mm | 0 cm | |
| Mar. 25 | Partly cloudy | 17° /2° | 3.8 mm | 0 cm | |
| Mar. 26 | Partly cloudy | 10° /3° | 1.9 mm | 0 cm | |
| Mar. 27 | Moderate rain | 13° /3° | 2.8 mm | 0 cm | |
| Mar. 28 | Overcast | 11° /3° | 0 mm | 0 cm | |
| Mar. 29 | Mist | 14° /4° | 5.5 mm | 0 cm | |
| Mar. 30 | Sunny | 13° /5° | 13.5 mm | 0 cm | |
| Mar. 31 | Light rain | 17° /4° | 29.7 mm | 0 cm | |
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Important Notice
Our weather forecast for Allegheny County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Allegheny County forecast closer to your planned date for the most up-to-date weather information.
Allegheny County in March - FAQ
What are the expected maximum and minimum temperatures in Allegheny County during March?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 1°.
How much rainfall should be expected in Allegheny County during March?
Significant rainfall exceeding 107.6 mm is expected in Allegheny County during March, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Allegheny County in March 2026?
Allegheny County experiences an average snowfall of 5.43667 cm during March, occurring over 7 days.
What are the typical wind conditions in Allegheny County during March?
The average wind speed in Allegheny County during March is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Allegheny County snow forecast March 2026
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March rainfall patterns in Allegheny County
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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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