Weather on March 20

Concord, CA

55 Years of Data

Avg High
67°F
Avg Low
46°F
Warmest
2026
73°F avg
Coldest
1975
46°F avg

About This Date

March 20th in Concord, CA typically brings mild spring weather, with average highs around 67°F and lows near 46°F. Over 56 years of records, the warmest March 20th was in 2026 (73°F average), while the coldest was 1975 (46°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 25% of March 20th dates historically, with the wettest March 20th recording 1.45" of rain. The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.

Planning for March 20th in Concord, CA? Great weather for outdoor activities.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest89°57°73°
202564°44°54°
202471°46°59°
202359°46°53°
202270°41°55°
202163°41°52°
202065°42°53°
201963°47°55°0.74"
201856°50°53°1.3"
201764°53°59°1.14"
201671°52°61°0.2"
201573°48°61°
201477°48°63°
201362°49°55°0.08"
201266°48°57°
201156°45°50°0.64"
201071°44°58°
200972°50°61°
200863°42°52°
200764°50°57°
200653°44°49°0.89"
200563°52°57°0.03"
200482°47°64°
200364°48°56°
200266°41°54°
200180°56°68°
200068°45°56°
199960°44°52°0.46"
199868°55°62°
199775°52°63°
199679°48°63°
199558°52°55°1.45"
199468°42°55°
199371°49°60°
199264°47°55°
199156°42°49°0.61"
199077°46°62°
198976°44°60°
198879°55°67°
198760°44°52°0.3"
198672°43°57°
198569°39°54°
198477°46°62°
198357°51°54°
198263°48°55°
198155°41°48°0.2"
198063°46°54°
197968°45°56°
197870°51°60°
197770°42°56°
197669°36°52°
1975coldest58°35°46°
197476°40°58°
197355°39°47°0.89"
197270°41°55°
197176°35°55°
56 years of data from CONCORD BUCHANAN FLD

Browse Weather History

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