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Weather on May 18

Broken Arrow, OK

55 Years of Data

Avg High
81°F
Avg Low
59°F
Warmest
2026
84°F avg
Coldest
2002
57°F avg

About This Date

May 18th in Broken Arrow, OK typically brings warm spring weather, with average highs around 81°F and lows near 59°F. Over 56 years of records, the warmest May 18th was in 2026 (84°F average), while the coldest was 2002 (57°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 25% of May 18th dates historically, with the wettest May 18th recording 4.32" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for May 18th in Broken Arrow, OK? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest89°78°84°
202575°64°70°1.4"
202488°62°75°
202382°56°69°
202292°69°80°
202179°65°72°
202077°52°64°
201976°57°66°3.1"
201888°65°76°
201788°64°76°2.62"
201669°52°60°
201586°64°75°
201476°47°61°
201387°69°78°0.18"
201288°64°76°
201170°54°62°0.56"
201075°53°64°
200976°48°62°
200886°58°72°
200777°46°62°
200684°57°71°
200585°65°75°
200488°71°79°
200383°57°70°
2002coldest68°46°57°
200181°61°71°
200080°55°68°
199973°51°62°2.34"
199885°55°70°
199791°66°79°
199689°71°80°
199580°57°69°1.75"
199483°56°69°
199384°61°72°0.84"
199272°64°68°1.32"
199183°64°73°
199077°49°63°0.64"
198968°59°64°4.24"
198891°54°72°
198787°64°76°
198662°54°58°
198578°52°65°
198485°55°70°
198373°48°61°
198282°57°70°
198179°55°67°
198079°56°67°1.68"
197986°64°75°
197869°59°64°0.25"
197783°63°73°
197674°45°59°
197587°53°70°
197484°70°77°
197378°51°65°
197290°64°77°4.32"
197188°68°78°
56 years of data from BIXBY

Broken Arrow, OK Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

20°40°60°80°100°JFMAMJJASOND
Avg high Avg low

Broken Arrow, OK Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"7.3"14.6"JFMAMJJASOND2.9"0"
Rain (in) Snow (in)

Broken Arrow, OK Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Broken Arrow, OK

Broken Arrow, OK has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

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

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