Weather on March 21

Edmond, OK

55 Years of Data

Avg High
67°F
Avg Low
41°F
Warmest
2026
78°F avg
Coldest
1974
30°F avg

About This Date

March 21st in Edmond, OK typically brings mild spring weather, with average highs around 67°F and lows near 41°F — a 26°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (78°F average), while the coldest was 1974 (30°F) — a 48°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 21st dates historically, with the wettest March 21st recording 4.22" of rain. The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.

Planning for March 21st in Edmond, OK? Great weather for outdoor activities.

Warming Trend
1.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest101°56°78°
202571°49°60°
202462°52°57°0.51"
202371°44°58°0.41"
202263°49°56°4.22"
202169°46°58°
202054°29°41°0.51"
201966°37°52°
201867°33°50°
201781°55°68°
201668°32°50°
201567°42°54°
201473°51°62°
201361°38°49°
201264°43°53°1.5"
201175°63°69°
201044°27°35°
200971°54°62°
200876°50°63°
200773°64°69°
200653°33°43°0.23"
200573°42°58°1.63"
200475°43°59°
200348°37°43°0.05"
200261°31°46°
200165°29°47°
200076°36°56°
199960°47°53°
199848°22°35°
199793°56°74°
199657°19°38°
199587°49°68°
199468°40°54°
199362°38°50°
199274°44°59°
199182°55°69°
199076°50°63°
198948°27°37°
198886°40°63°
198776°47°61°
198660°29°44°
198550°45°47°0.03"
198463°33°48°
198345°25°35°
198256°37°46°
198171°50°61°
198068°30°49°0.25"
197971°47°59°
197875°38°56°
197761°36°48°
197666°30°48°
197579°56°67°
1974coldest44°16°30°0.64"
197361°29°45°
197270°45°57°0.76"
197172°33°52°
56 years of data from LAKE HEFNER 2

Browse Weather History

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