Weather on March 21

Shreveport, LA

55 Years of Data

Avg High
69°F
Avg Low
47°F
Warmest
2026
76°F avg
Coldest
2010
36°F avg

About This Date

March 21st in Shreveport, LA typically brings mild spring weather, with average highs around 69°F and lows near 47°F. Over 56 years of records, the warmest March 21st was in 2026 (76°F average), while the coldest was 2010 (36°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 32% of March 21st dates historically, with the wettest March 21st recording 3.56" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.

Planning for March 21st in Shreveport, LA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest89°63°76°
202571°34°52°
202466°56°61°0.03"
202369°50°60°
202272°54°63°3.15"
202169°40°54°
202057°50°54°0.51"
201976°45°60°
201871°44°58°
201785°62°73°
201662°35°49°
201558°53°55°1.65"
201477°42°60°
201357°43°50°0.03"
201263°52°57°2.46"
201181°57°69°
2010coldest40°33°36°0.03"
200978°46°62°
200873°45°59°
200779°60°69°
200657°41°49°
200565°54°59°1.6"
200472°51°61°1.04"
200362°51°57°
200267°46°56°
200169°38°53°
200066°51°59°0.58"
199971°43°57°
199862°37°50°
199774°42°58°
199665°30°47°
199582°49°65°
199477°48°63°
199365°53°59°0.13"
199259°45°52°0.05"
199178°65°71°
199073°36°54°
198957°39°48°0.94"
198880°50°65°
198784°48°66°
198654°34°44°
198557°51°54°0.56"
198474°41°57°
198353°35°44°
198270°50°60°3.56"
198161°49°55°0.46"
198067°38°52°
197969°62°66°0.58"
197878°52°65°0.76"
197778°48°63°
197672°43°57°
197577°59°68°
197456°38°47°
197365°48°56°
197279°54°66°
197161°41°51°
56 years of data from SHREVEPORT DWTN AP

Browse Weather History

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

March 21st Weather in Shreveport, LA - 55 Years of History