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Weather on March 18

Temecula, CA

55 Years of Data

Avg High
71°F
Avg Low
45°F
Warmest
2026
80°F avg
Coldest
1982
44°F avg

About This Date

March 18th in Temecula, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 45°F — a 26°F daily swing. Over 52 years of records, the warmest March 18th was in 2026 (80°F average), while the coldest was 1982 (44°F) — a 36°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 5.94" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

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

Warming Trend
1.6°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest94°67°80°
202566°43°55°
202477°49°63°0.15"
202376°51°64°
202279°52°66°
202169°44°56°
202053°41°47°0.41"
201977°52°64°
201862°42°52°
201779°47°63°
201674°46°60°
201573°56°64°
201478°52°65°
201366°49°58°
201251°39°45°1.12"
201166°47°56°
201072°52°62°
200984°57°70°
200868°46°57°
200761°47°54°
200653°39°46°
200559°43°51°
200484°52°68°
200364°42°53°
200259°36°47°
200179°53°66°
200082°56°69°
199964°41°53°
199872°50°61°
199791°51°71°
199677°47°62°
199570°53°61°
199471°52°61°
199385°53°69°
199275°41°58°
199167°34°50°
199083°41°62°
198980°40°60°
198877°35°56°
198768°39°54°
198666°32°49°0.36"
198559°41°50°
198480°37°59°
198354°44°49°1.02"
1982coldest54°35°44°5.94"
198173°43°58°
198067°41°54°
197955°47°51°0.03"
197764°31°47°
197675°37°56°
197573°35°54°
197475°48°62°
52 years of data from FALLBROOK 5 NE

Temecula, 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°100°JFMAMJJASOND
Avg high Avg low

Temecula, CA Monthly Precipitation

Average rainfall per month, in inches.

0"5.8"11.6"JFMAMJJASOND
Rain (in)

Temecula, 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 Temecula, CA

Most pleasant months in Temecula, CA: June.

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.

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