Weather on March 17

Pomona, CA

55 Years of Data

Avg High
72°F
Avg Low
46°F
Warmest
2026
80°F avg
Coldest
1977
46°F avg

About This Date

March 17th in Pomona, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 46°F — a 26°F daily swing. Over 53 years of records, the warmest March 17th was in 2026 (80°F average), while the coldest was 1977 (46°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 11% of March 17th dates historically, with the wettest March 17th recording 5.16" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

Planning for March 17th in Pomona, CA? Great weather for outdoor activities.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest96°65°80°
202564°44°54°
202469°44°57°
202368°40°54°
202279°50°64°
202168°37°53°
202055°39°47°
201981°53°67°
201858°41°49°
201783°55°69°
201679°54°66°
201580°55°68°
201477°50°64°
201371°46°59°
201254°40°47°3.45"
201173°50°62°
201085°50°67°
200983°48°65°
200870°42°56°
200780°50°65°
200657°42°50°0.08"
200570°45°57°
200492°51°71°
200382°43°62°
200256°37°46°
200173°46°60°
200076°51°63°
199958°40°49°
199571°57°64°
199477°46°62°
199377°55°66°
199263°43°53°
199165°41°53°
199077°45°61°
198974°43°58°
198876°41°58°
198769°37°53°
198664°35°50°
198572°37°54°
198470°45°57°
198363°49°56°0.89"
198255°45°50°5.16"
198172°45°58°
198079°47°63°
197962°42°52°
197886°53°70°
1977coldest56°36°46°1.55"
197682°54°68°
197558°36°47°0.23"
197481°51°66°
197371°39°55°
197279°50°64°
197183°42°62°
53 years of data from POMONA/FAIRPLEX

Browse Weather History

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