Weather on August 21

Edinburg, TX

55 Years of Data

Avg High
97°F
Avg Low
76°F
Warmest
2018
92°F avg
Coldest
1992
78°F avg

About This Date

August 21st in Edinburg, TX typically brings hot summer weather, with average highs around 97°F and lows near 76°F. Over 55 years of records, the warmest August 21st was in 2018 (92°F average), while the coldest was 1992 (78°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 21st dates historically, with the wettest August 21st recording 2.29" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.

Planning for August 21st in Edinburg, TX? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2025101°75°88°
2024102°80°91°
202399°80°89°
202294°78°86°0.05"
202199°78°88°
202099°76°87°
2019102°79°90°
2018warmest103°81°92°
201799°78°88°
201698°78°88°
201583°74°78°2.29"
201499°79°89°
201395°75°85°
201299°77°88°
2011100°76°88°
201099°79°89°
2009101°81°91°
200893°69°81°0.05"
200797°77°87°
200699°75°87°
2005100°78°89°
200499°79°89°
200398°77°88°
200299°79°89°
200199°79°89°
200099°76°87°
199998°77°88°
199897°77°87°
1997103°77°90°
199685°76°80°0.13"
199596°75°86°
1994102°77°90°
199397°73°85°
1992coldest85°71°78°
199199°77°88°
199098°77°88°
198996°74°85°
198893°77°85°
198797°75°86°0.03"
1986102°78°90°
1985102°76°89°
198498°76°87°
198398°75°87°
198290°73°81°0.15"
1981101°76°88°
198096°
197997°75°86°
197899°71°85°0.76"
197799°76°87°
197695°70°82°
197592°74°83°0.33"
197499°72°85°
197395°73°84°
197294°71°82°
197197°73°85°
55 years of data from EDINBURG

Browse Weather History

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

August 21st Weather in Edinburg, TX - 55 Years of History