Weather on August 18

Edmond, OK

55 Years of Data

Avg High
94°F
Avg Low
70°F
Warmest
1978
91°F avg
Coldest
1981
70°F avg

About This Date

August 18th in Edmond, OK typically brings hot summer weather, with average highs around 94°F and lows near 70°F. Over 55 years of records, the warmest August 18th was in 1978 (91°F average), while the coldest was 1981 (70°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 18th dates historically, with the wettest August 18th recording 4.17" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.

Planning for August 18th in Edmond, OK? Stay hydrated and seek shade during peak afternoon hours.

Cooling Trend
0.3°F per decade on this date
YearHighLowAvgPrecipSnow
2025103°74°88°
2024105°74°89°
202394°68°81°
202287°64°76°0.03"
202188°68°78°0.03"
202088°63°75°
201995°74°84°0.05"
201889°68°79°
201793°70°81°
201692°69°80°
201595°74°84°0.03"
201499°70°84°0.56"
201383°63°73°
201277°64°71°3.51"
2011104°75°90°
201089°68°79°
200981°65°73°4.17"
200880°62°71°
200792°74°83°
2006101°74°87°
200594°72°83°0.76"
200489°69°79°
2003104°76°90°
200292°76°84°
200193°67°80°1.55"
2000101°69°85°
1999104°61°82°
1998104°74°89°
199786°72°79°0.13"
199690°66°78°
199598°72°85°
1994104°68°86°0.05"
1993103°74°88°
199278°64°71°0.15"
1991100°64°82°
199096°71°84°
198986°68°77°
198896°73°85°
198792°71°81°
198697°71°84°
1985100°74°87°
1984105°72°88°
198398°73°86°
198298°78°88°
1981coldest80°59°70°
198097°72°84°
197994°75°84°
1978warmest102°81°91°
197782°61°71°
197699°70°84°
197592°65°78°0.15"
197495°68°82°
197392°69°80°
197292°74°83°
197191°71°81°
55 years of data from LAKE HEFNER 2

Browse Weather History

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