Weather on August 21

North Las Vegas, NV

55 Years of Data

Avg High
102°F
Avg Low
73°F
Warmest
2025
98°F avg
Coldest
1983
76°F avg

About This Date

August 21st in North Las Vegas, NV typically brings hot summer weather, with average highs around 102°F and lows near 73°F — a 29°F daily swing. Over 55 years of records, the warmest August 21st was in 2025 (98°F average), while the coldest was 1983 (76°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 9% of August 21st dates historically. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.

Planning for August 21st in North Las Vegas, NV? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
2.0°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest110°86°98°
2024108°83°95°
202388°72°80°
2022105°85°95°
2021100°78°89°
2020110°85°97°
2019108°78°93°
2018105°85°95°
201792°70°81°0.2"
2016100°80°90°
2015108°
2014100°73°87°
2013105°83°94°
2012100°81°90°
2011104°77°91°
2010108°77°92°
2009108°80°94°
2008104°73°89°
2007105°73°89°
2006106°76°91°
2005101°77°89°
2004103°74°88°0.03"
200396°79°87°
2002102°79°90°
200198°77°88°
2000104°68°86°
199995°77°86°
1998109°75°92°
1997105°76°90°
1996103°71°87°
199598°78°88°
1994104°79°91°
1993101°77°89°
1992110°82°96°
1991104°75°90°
199093°63°78°
198999°62°80°
198891°70°80°
198796°69°83°0.15"
1986104°77°91°
1985105°67°86°
198491°69°80°
1983coldest93°59°76°
1982111°72°91°
1981108°66°87°
1980106°56°81°
197998°57°78°
1978106°66°86°
1977108°68°88°
1976108°65°86°
197593°62°78°0.08"
1974103°56°79°
197397°67°82°0.03"
1972105°59°82°
1971100°72°86°
55 years of data from N LAS VEGAS

Browse Weather History

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

August 21st Weather in North Las Vegas, NV - 55 Years of History