Weather on March 21

Clarksville, TN

55 Years of Data

Avg High
63°F
Avg Low
39°F
Warmest
2026
71°F avg
Coldest
1986
30°F avg

About This Date

March 21st in Clarksville, TN typically brings mild spring weather, with average highs around 63°F and lows near 39°F. Over 56 years of records, the warmest March 21st was in 2026 (71°F average), while the coldest was 1986 (30°F) — a 41°F range across recorded history. Rain or other precipitation has occurred on about 36% of March 21st dates historically, with the wettest March 21st recording 7.67" of rain. The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest88°55°71°
202564°36°50°0.03"
202464°45°54°
202357°40°48°1.09"
202274°45°59°0.03"
202170°41°55°
202050°37°44°
201957°34°45°
201851°29°40°
201773°50°62°0.64"
201655°32°44°
201566°46°56°
201472°34°53°
201341°21°31°
201283°56°69°
201180°56°68°
201053°41°47°2.84"
200961°31°46°
200873°38°55°
200781°53°67°
200644°38°41°
200566°35°51°
200450°34°42°
200357°46°52°
200253°26°40°
200162°42°52°0.03"
200055°37°46°
199958°35°46°
199846°35°41°0.03"
199780°40°60°
199642°29°35°
199574°41°57°
199468°37°53°0.03"
199360°42°51°
199262°31°46°
199178°63°70°0.05"
199066°25°45°
198942°30°36°0.51"
198869°40°54°0.08"
198771°33°52°
1986coldest40°21°30°
198566°40°53°1.19"
198446°33°40°0.18"
198347°28°37°0.08"
198268°30°49°
198156°31°43°
198060°40°50°1.68"
197972°55°63°0.18"
197873°48°61°0.05"
197759°36°47°
197679°47°63°1.91"
197573°43°58°
197463°37°50°7.67"
197360°35°48°0.46"
197278°51°65°
197149°27°38°
56 years of data from CLARKSVILLE WWTP

Browse Weather History

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

March 21st Weather in Clarksville, TN - 55 Years of History