Allegheny County (Pittsburgh)
March
Weather in Allegheny County, Pennsylvania 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 6 snowy days.
According to Allegheny County snow forecast for March 2026, 1 snowy day is expected until the end of the month at Monday, March 30.So far, March 2026 in Allegheny County is slightly warmer than the historical average by 0.6 °F.
The forecast for the next days in Allegheny County predicts temperatures to be around 11 °F, close to the historical average.
In general, the average temperature in Allegheny County at the beginning of March is 11.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 11.1 °F by the end of March.
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Snow Forecast ❄️
Temperatures
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10
Dry days
15
Rainy days
6
Snow days
11°/2°
Temperatures
19 km/h
Avg max wind
68 %
Avg humidity
Allegheny County Weather March
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Temperatures trend during March in Allegheny County
See the weather trend as well as the moving average line
March weather in Allegheny County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Mar. 1 |  Overcast | 10° /-3° | 2.4 mm | 0 cm | |
| Mar. 2 |  Light rain shower | 7° /-1° | 0.7 mm | 0 cm | |
| Mar. 3 |  Heavy rain | 10° /1° | 18.2 mm | 0.8 cm | |
| Mar. 4 |  Light snow | 11° /2° | 7 mm | 0 cm | |
| Mar. 5 |  Moderate or heavy rain shower | 16° /5° | 11.5 mm | 0 cm | |
| Mar. 6 | Overcast | 14° /5° | 2.4 mm | 0 cm | |
| Mar. 7 | Overcast | 14° /3° | 3.7 mm | 0 cm | |
| Mar. 8 |  Cloudy | 11° /2° | 14.2 mm | 0 cm | |
| Mar. 9 | Overcast | 13° /2° | 5.4 mm | 0 cm | |
| Mar. 10 | Light rain shower | 11° /3° | 3.6 mm | 0.9 cm | |
| Mar. 11 |  Light snow showers | 13° /4° | 3.7 mm | 0.1 cm | |
| Mar. 12 |  Heavy snow | 9° /1° | 5 mm | 1.5 cm | |
| Mar. 13 | Overcast | 13° /4° | 1.1 mm | 0.8 cm | |
| Mar. 14 | Light snow showers | 11° /2° | 0.3 mm | 0.1 cm | |
| Mar. 15 | Overcast | 15° /3° | 6.1 mm | 0 cm | |
| Mar. 16 | Overcast | 15° /2° | 6.4 mm | 0 cm | |
| Mar. 17 | Overcast | 8° /0° | 3.3 mm | 0.6 cm | |
| Mar. 18 |  Sunny | 4° /-7° | 0 mm | 0 cm | |
| Mar. 19 | Patchy rain possible | 7° /0° | 0.3 mm | 0 cm | |
| Mar. 20 |  Fog | 11° /6° | 0 mm | 0 cm | |
| Mar. 21 |  Partly cloudy | 16° /3° | 0 mm | 0 cm | |
| Mar. 22 | Patchy rain possible | 23° /9° | 1.1 mm | 0 cm | |
| Mar. 23 | Sunny | 6° /-1° | 0 mm | 0 cm | |
| Mar. 24 | Sunny | 13° /-2° | 0 mm | 0 cm | |
| Mar. 25 | Patchy rain possible | 7° /4° | 4.9 mm | 0 cm | |
| Mar. 26 | Patchy rain possible | 22° /5° | 0.2 mm | 0 cm | |
| Mar. 27 | Patchy rain possible | 14° /5° | 1.8 mm | 0 cm | |
| Mar. 28 | Partly cloudy | 6° /-1° | 0 mm | 0 cm | |
| Mar. 29 | Patchy rain possible | 14° /2° | 1.4 mm | 0 cm | |
| Mar. 30 | Patchy rain possible | 8° /2° | 0.4 mm | 0.1 cm | |
| Mar. 31 | Cloudy | 7° /-1° | 0 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.
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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 2°.
How much rainfall should be expected in Allegheny County during March?
Significant rainfall exceeding 122.6 mm is expected in Allegheny County during March, occurring over more than 15 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 3.63333 cm during March, occurring over 6 days.
What are the typical wind conditions in Allegheny County during March?
The average wind speed in Allegheny County during March is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Allegheny County snow forecast March 2026
Track daily snowfall levels and discover Allegheny County’s snowy potential this March ❄️
On average, Allegheny County sees 6 snowy days during March, with approximately 3.6 cm of total snowfall.
March rainfall patterns in Allegheny County
Explore the daily rainfall trends and prepare for Allegheny Countys March weather 💧
Typically, Allegheny County has 15 rainy days in March with a total of 122.6 mm of rainfall.
UV exposure in Allegheny County during March
Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
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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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