Weather on March 18

Carlsbad, CA

55 Years of Data

Avg High
65°F
Avg Low
50°F
Warmest
2026
73°F avg
Coldest
2002
50°F avg

About This Date

March 18th in Carlsbad, CA typically brings mild spring weather, with average highs around 65°F and lows near 50°F. Over 56 years of records, the warmest March 18th was in 2026 (73°F average), while the coldest was 2002 (50°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 18th dates historically, with the wettest March 18th recording 3.38" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest84°62°73°
202560°50°55°
202473°49°61°0.03"
202371°48°60°
202270°50°60°
202160°47°53°
202057°47°52°0.79"
201969°54°61°
201859°46°53°
201768°55°62°
201666°57°62°
201569°60°65°
201467°56°61°
201362°55°59°
201256°46°51°0.13"
201165°48°56°
201065°53°59°
200972°50°61°0.03"
200865°46°55°
200759°53°56°
200656°49°52°0.1"
200562°51°57°0.18"
200461°53°57°
200362°47°54°
2002coldest58°43°50°0.15"
200169°52°60°
200069°51°60°
199959°46°53°0.03"
199866°53°60°
199767°49°58°
199659°55°57°
199564°58°61°
199476°54°65°
199363°58°60°
199262°48°55°
199161°41°51°
199061°43°52°
198960°45°52°
198865°44°54°
198760°45°52°
198662°44°53°
198558°45°51°0.18"
198468°46°57°
198362°54°58°1.35"
198264°45°54°3.38"
198164°48°56°
198066°44°55°0.2"
197960°47°53°1.52"
197890°49°69°
197763°45°54°
197665°49°57°
197566°49°57°
197465°52°58°
197365°43°54°
197264°54°59°
197164°48°56°
56 years of data from CARLSBAD MCCLELLAN PALOMAR AP

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