Weather on March 18

Garden Grove, CA

55 Years of Data

Avg High
73°F
Avg Low
51°F
Warmest
2026
77°F avg
Coldest
1982
52°F avg

About This Date

March 18th in Garden Grove, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 51°F. Over 55 years of records, the warmest March 18th was in 2026 (77°F average), while the coldest was 1982 (52°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 13% of March 18th dates historically, with the wettest March 18th recording 2.03" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.

Planning for March 18th in Garden Grove, CA? Great weather for outdoor activities.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest92°62°77°
202570°47°58°
202476°51°63°0.23"
202377°50°64°
202280°53°67°
202170°48°59°
202063°46°54°
201979°55°67°
201865°46°55°
201777°55°66°
201675°58°66°
201572°62°67°
201474°56°65°
201364°56°60°
201261°43°52°0.71"
201172°49°60°
201086°55°71°
200987°52°69°
200873°43°58°
200767°54°60°
200661°43°52°
200566°55°61°0.08"
200473°55°64°
200374°45°59°
200268°41°55°0.3"
200180°49°64°
200080°48°64°
199966°48°57°
199875°59°67°
199783°50°66°
199673°56°64°
199573°60°67°
199476°56°66°
199372°57°64°
199267°51°59°
199170°50°60°
199078°46°62°
198973°47°60°
198885°48°66°
198767°49°58°
198674°45°59°
198566°46°56°0.33"
198481°49°65°
198363°49°56°1.65"
1982coldest59°44°52°2.03"
198172°51°61°
198073°51°62°
197964°47°55°
197888°64°76°
197767°43°55°
197674°52°63°
197571°44°58°
197470°57°63°
197370°43°56°
197175°46°61°
55 years of data from SANTA ANA FIRE STN

Browse Weather History

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

March 18th Weather in Garden Grove, CA - 55 Years of History