NOAA GHCND · LIVE

Weather on March 14

Costa Mesa, CA

55 Years of Data

Avg High
69°F
Avg Low
51°F
Warmest
2015
76°F avg
Coldest
1975
52°F avg

About This Date

March 14th in Costa Mesa, CA typically brings mild spring weather, with average highs around 69°F and lows near 51°F. Over 56 years of records, the warmest March 14th was in 2015 (76°F average), while the coldest was 1975 (52°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 14th dates historically, with the wettest March 14th recording 2.67" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.

Planning for March 14th in Costa Mesa, CA? Great weather for outdoor activities.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202675°58°66°
202555°50°53°0.3"
202472°54°63°
202362°56°59°2.67"
202273°53°63°
202162°54°58°
202065°59°62°
201973°49°61°
201865°57°61°0.03"
201778°53°66°
201666°55°61°0.1"
2015warmest91°61°76°
201470°52°61°
201370°52°61°
201265°49°57°
201169°52°60°
201068°45°56°
200962°54°58°
200864°54°59°
200766°55°61°
200664°43°53°
200576°57°66°
200468°55°62°
200367°58°62°
200263°45°54°
200163°51°57°
200070°50°60°
199963°48°55°
199871°51°61°1.73"
199774°52°63°
199666°46°56°1.91"
199579°53°66°
199485°55°70°
199374°60°67°
199270°55°62°
199164°43°53°0.23"
199066°39°53°
198970°52°61°
198879°44°61°
198766°49°57°
198664°46°55°0.48"
198566°54°60°
198468°55°62°0.3"
198372°53°62°0.56"
198261°54°57°1.22"
198167°41°54°
198074°49°61°
197969°52°60°
197870°48°59°
197767°43°55°
197675°45°60°
1975coldest62°41°52°0.64"
197472°50°61°
197369°40°54°
197268°54°61°
197166°44°55°
56 years of data from SANTA ANA JOHN WAYNE AP

Costa Mesa, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

Costa Mesa, CA Monthly Precipitation

Average rainfall per month, in inches.

0"5.4"10.8"JFMAMJJASOND
Rain (in)

Costa Mesa, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Costa Mesa, CA

Most pleasant months in Costa Mesa, CA: June, July.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

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

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery