Weather on March 21

Irving, TX

55 Years of Data

Avg High
71°F
Avg Low
48°F
Warmest
2026
76°F avg
Coldest
2010
39°F avg

About This Date

March 21st in Irving, TX typically brings pleasant spring weather, with average highs around 71°F and lows near 48°F. Over 56 years of records, the warmest March 21st was in 2026 (76°F average), while the coldest was 2010 (39°F) — a 37°F range across recorded history. Precipitation has occurred on 18% of recorded March 21st dates, with snow falling 2% of the time. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

Planning for March 21st in Irving, TX? Great weather for outdoor activities.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest91°61°76°
202578°43°60°
202465°54°59°0.79"
202369°50°60°0.1"
202273°53°63°2.24"
202170°43°56°
202058°40°49°0.43"
201977°44°61°
201875°46°61°
201787°63°75°
201666°34°50°
201563°53°58°0.15"
201482°53°68°
201370°51°60°
201264°50°57°
201182°64°73°
2010coldest47°32°39°0.03"0.1"
200978°53°66°
200879°51°65°
200778°66°72°
200657°39°48°
200580°58°69°0.23"
200469°49°59°
200363°49°56°
200264°36°50°
200173°40°56°
200067°55°61°1.27"
199973°43°58°
199862°34°48°
199788°59°73°
199671°32°52°
199578°55°67°
199471°51°61°
199368°49°58°
199263°54°58°
199182°63°72°
199074°51°62°
198947°35°41°1.47"
198880°53°67°
198779°57°68°
198660°36°48°
198560°51°56°
198474°39°56°
198352°35°43°
198267°48°57°1.65"
198179°53°66°
198071°40°55°
197974°62°68°
197881°58°69°
197766°49°57°
197673°45°59°
197578°60°69°
197450°31°40°
197358°39°48°
197280°55°68°
197173°45°59°
56 years of data from DALLAS HENSLEY FLD NAS

Browse Weather History

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