Weather on March 21

Reno, NV

55 Years of Data

Avg High
58°F
Avg Low
33°F
Warmest
2026
67°F avg
Coldest
2000
25°F avg

About This Date

March 21st in Reno, NV typically brings cool spring weather, with average highs around 58°F and lows near 33°F — a 25°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (67°F average), while the coldest was 2000 (25°F) — a 42°F range across recorded history. Precipitation has occurred on 25% of recorded March 21st dates, with snow falling 13% of the time (heaviest snowfall: 5"). The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.

The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.

Planning for March 21st in Reno, NV? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest77°57°67°
202553°37°45°
202466°42°54°
202336°30°33°0.13"
202263°32°47°
202151°27°39°
202054°29°41°
201953°36°44°0.03"
201856°41°48°0.79"
201752°38°45°0.84"
201654°31°42°0.03"0.1"
201566°42°54°
201464°38°51°
201355°33°44°
201266°42°54°
201142°29°35°0.13"0.4"
201061°44°52°
200957°31°44°0.38"0.7"
200855°30°43°
200748°31°39°
200644°24°34°
200550°34°42°0.05"
200480°47°63°
200362°35°49°
200268°40°54°
200172°47°59°
2000coldest40°10°25°
199954°28°41°
199868°42°55°
199762°47°54°
199671°30°51°
199543°33°38°
199462°42°52°
199367°30°48°
199264°30°47°
199148°31°39°
199073°35°54°
198961°33°47°
198861°38°49°
198739°31°35°0.18"0.3"
198668°35°52°
198549°29°39°
198458°32°45°
198347°30°38°0.3"0.2"
198250°29°39°
198158°30°44°0.03"
198045°29°37°0.36"1.6"
197951°20°35°
197853°37°45°0.43"
197767°22°44°
197665°18°41°
197551°27°39°1.5"5"
197463°22°42°
197343°27°35°
197271°39°55°
197171°25°48°
56 years of data from RENO WFO

Browse Weather History

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