Weather on March 21

Pittsburgh, PA

55 Years of Data

Avg High
52°F
Avg Low
33°F
Warmest
2012
66°F avg
Coldest
2013
23°F avg

About This Date

March 21st in Pittsburgh, PA typically brings cool spring weather, with average highs around 52°F and lows near 33°F. Over 44 years of records, the warmest March 21st was in 2012 (66°F average), while the coldest was 2013 (23°F) — a 43°F range across recorded history. Rain or other precipitation has occurred on about 43% of March 21st dates historically, with the wettest March 21st recording 2.77" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

Planning for March 21st in Pittsburgh, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Cooling Trend
0.3°F per decade on this date
YearHighLowAvgPrecipSnow
202662°43°52°
202551°31°41°
202442°23°33°
202357°29°43°
202265°38°51°
202165°36°50°
202039°30°35°
201952°40°46°0.08"
201832°26°29°0.89"
201760°37°49°
201642°26°34°
201555°34°44°
201446°30°38°0.13"
2013coldest28°18°23°
2012warmest76°56°66°
201172°45°58°0.13"
201073°44°59°
200947°23°35°
200845°25°35°
200766°31°49°
200632°21°27°
200538°32°35°
200447°22°34°0.23"
200365°41°53°0.08"
200250°19°35°
200141°37°39°2.77"
200042°37°40°1.17"
199951°33°42°0.15"
199850°36°43°1.09"
199768°40°54°
199634°20°27°0.84"
199555°49°52°0.61"
199454°36°45°0.2"
199344°37°41°0.03"
199240°31°35°0.08"
197968°37°53°
197868°39°54°0.36"
197759°32°46°
197663°34°48°0.99"
197557°32°45°
197444°29°36°1.57"
197344°24°34°
197273°37°55°0.03"
197143°27°35°
44 years of data from PITTSBURGH WSO CITY

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

March 21st Weather in Pittsburgh, PA - 55 Years of History