Weather on March 15

Tempe, AZ

55 Years of Data

Avg High
78°F
Avg Low
47°F
Warmest
2026
77°F avg
Coldest
1973
45°F avg

About This Date

March 15th in Tempe, AZ typically brings pleasant spring weather, with average highs around 78°F and lows near 47°F — a 31°F daily swing. Over 56 years of records, the warmest March 15th was in 2026 (77°F average), while the coldest was 1973 (45°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 0.81" 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 March 15th in Tempe, AZ? Great weather for outdoor activities.

Warming Trend
1.8°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest92°62°77°
202567°43°55°0.28"
202474°0.64"
202355°0.81"
202287°43°65°
202174°44°59°
202078°50°64°
201979°38°58°
201853°
201793°53°73°
201686°45°65°
201589°51°70°
201483°45°64°
201354°
201287°43°65°
201186°47°66°
201078°42°60°
200979°43°61°
200881°44°62°
200793°48°71°
200675°39°57°
200570°50°60°
200488°57°72°
200381°55°68°
200266°41°54°
200177°52°64°
200084°53°69°
199985°54°69°
199858°49°53°0.43"
199789°52°70°
199670°46°58°0.13"
199588°53°70°
199486°42°64°
199380°47°63°
199280°55°68°
199162°42°52°0.2"
199036°73°54°
198986°50°68°
198877°41°59°
198778°51°65°0.81"
198670°44°57°
198575°51°63°0.25"
198480°53°67°
198372°48°60°
198270°46°58°0.48"
198170°38°54°
198079°43°61°
197980°43°61°
197877°41°59°
197770°29°49°
197680°36°58°
197564°35°50°0.38"
197486°44°65°
1973coldest55°35°45°0.05"
197288°45°66°
197173°33°53°
56 years of data from TEMPE ASU

Browse Weather History

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

March 15th Weather in Tempe, AZ - 55 Years of History