Weather on March 15

Mcallen, TX

55 Years of Data

Avg High
81°F
Avg Low
60°F
Warmest
2025
85°F avg
Coldest
1988
53°F avg

About This Date

March 15th in Mcallen, TX typically brings warm spring weather, with average highs around 81°F and lows near 60°F. Over 56 years of records, the warmest March 15th was in 2025 (85°F average), while the coldest was 1988 (53°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 15th dates historically, with the wettest March 15th recording 4.83" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.

Planning for March 15th in Mcallen, TX? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
202690°65°77°
2025warmest100°70°85°
202490°75°82°
202372°65°68°0.03"
202282°59°71°
202173°63°68°
202088°73°80°
201972°51°61°0.79"
201886°67°76°
201779°54°66°
201691°67°79°
201578°0.03"
201482°57°70°
201382°57°70°
201289°72°80°
201185°66°75°
201079°61°70°
200964°48°56°
2008103°66°84°
200791°69°80°
200679°60°69°
200569°59°64°
200478°66°72°4.83"
200371°62°67°1.96"
200292°70°81°
200183°57°70°
200082°60°71°3.81"
199976°46°61°
199869°59°64°
199791°53°72°2.11"
199692°66°79°
199586°56°71°
199474°62°68°3.89"
199364°41°53°
199282°48°65°
199173°62°68°
199087°61°74°
198969°65°67°
1988coldest60°47°53°0.13"
198773°51°62°
198691°61°76°
198564°56°60°1.22"
198481°71°76°
198382°64°73°1.37"
198288°71°79°
198176°52°64°
198080°54°67°
197982°69°76°
197884°53°69°
197788°65°76°
197665°54°59°
197574°47°60°
197485°64°74°
197388°68°78°
197282°60°71°
1971100°56°78°
56 years of data from MCALLEN

Browse Weather History

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

March 15th Weather in Mcallen, TX - 55 Years of History