Weather on March 17

Newport Beach, CA

55 Years of Data

Avg High
65°F
Avg Low
52°F
Warmest
2026
79°F avg
Coldest
1977
49°F avg

About This Date

March 17th in Newport Beach, CA typically brings mild spring weather, with average highs around 65°F and lows near 52°F. Over 56 years of records, the warmest March 17th was in 2026 (79°F average), while the coldest was 1977 (49°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 18% of March 17th dates historically, with the wettest March 17th recording 2.79" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest95°62°79°
202562°52°57°
202463°53°58°
202361°49°55°
202273°52°62°
202158°45°51°
202060°53°57°0.13"
201970°52°61°
201865°53°59°0.58"
201764°54°59°
201669°57°63°
201579°61°70°
201475°58°66°
201360°54°57°
201259°53°56°1.22"
201163°54°58°
201078°59°69°
200966°52°59°
200869°45°57°0.03"
200761°53°57°
200663°48°55°0.08"
200563°56°59°
200462°55°59°
200365°56°60°
200256°51°53°
200160°51°56°
200066°58°62°
199964°46°55°
199863°57°60°
199761°51°56°
199661°54°57°
199563°58°60°
199479°54°66°
199365°59°62°
199263°54°58°
199158°45°51°
199070°50°60°
198958°52°55°
198866°47°56°
198762°48°55°
198662°44°53°
198562°49°55°
198465°53°59°0.13"
198367°54°60°1.14"
198259°50°55°2.79"
198166°54°60°
198071°51°61°
197960°54°57°1.45"
197886°54°70°
1977coldest54°45°49°0.1"
197668°56°62°
197560°41°51°
197462°52°57°
197363°47°55°
197257°50°54°
197163°50°56°
56 years of data from NEWPORT BEACH HARBOR

Browse Weather History

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