Weather on March 21

Garland, TX

55 Years of Data

Avg High
69°F
Avg Low
46°F
Warmest
2026
75°F avg
Coldest
2010
36°F avg

About This Date

March 21st in Garland, TX typically brings mild spring weather, with average highs around 69°F and lows near 46°F. Over 56 years of records, the warmest March 21st was in 2026 (75°F average), while the coldest was 2010 (36°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 27% of March 21st dates historically, with the wettest March 21st recording 5.08" of rain. The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest89°60°75°
202575°46°61°
202465°52°58°4.57"
202365°48°56°0.23"
202271°55°63°5.08"
202167°44°55°
202059°39°49°0.38"
201975°48°62°
201871°40°55°
201783°61°72°
201664°33°49°
201562°52°57°0.13"
201479°51°65°
201369°51°60°
201265°51°58°
201181°63°72°
2010coldest43°29°36°0.74"
200976°55°65°
200874°49°61°
200776°65°70°0.03"
200674°40°57°
200578°52°65°0.1"
200483°51°67°
200358°44°51°
200253°33°43°0.1"
200162°37°50°
200076°48°62°
199958°41°49°
199856°37°46°
199772°42°57°
199652°24°38°
199578°49°63°
199480°52°66°
199357°45°51°
199264°45°54°
199169°58°63°
199060°44°52°
198981°33°57°0.97"
198881°47°64°
198780°52°66°
198657°37°47°
198570°49°59°0.05"
198469°38°53°
198354°
198280°55°68°
198171°42°57°
198070°46°58°
197976°62°69°0.64"
197875°42°59°0.43"
197766°38°52°
197680°46°63°
197577°53°65°
197457°33°45°0.38"
197359°45°52°
197278°58°68°0.81"
197162°38°50°
56 years of data from RICHARDSON

Browse Weather History

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

March 21st Weather in Garland, TX - 55 Years of History