Weather on March 20

Modesto, CA

55 Years of Data

Avg High
69°F
Avg Low
47°F
Warmest
2026
72°F avg
Coldest
1973
48°F avg

About This Date

March 20th in Modesto, CA typically brings mild spring weather, with average highs around 69°F and lows near 47°F. Over 56 years of records, the warmest March 20th was in 2026 (72°F average), while the coldest was 1973 (48°F) — a 24°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 2.13" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.

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

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest91°53°72°
202565°46°55°
202476°44°60°
202362°48°55°
202271°47°59°
202159°39°49°
202065°40°52°
201963°49°56°0.1"
201859°51°55°0.28"
201770°56°63°0.66"
201677°52°64°
201579°47°63°
201479°51°65°
201374°54°64°0.05"
201265°42°53°
201151°45°48°1.45"
201075°45°60°
200976°51°63°
200867°47°57°
200765°54°59°0.86"
200656°43°49°0.79"
200561°51°56°0.1"
200483°49°66°
200365°50°57°
200272°40°56°
200181°54°67°
200065°45°55°
199961°44°52°0.18"
199871°52°61°
199776°56°66°
199677°52°64°
199563°49°56°1.3"
199473°46°60°
199370°50°60°
199269°52°60°
199157°45°51°1.12"
199076°51°63°
198975°50°63°
198881°49°65°
198762°34°48°
198680°46°63°
198570°46°58°
198483°50°66°
198359°47°53°2.13"
198262°37°50°
198158°42°50°0.41"
198066°43°54°
197966°48°57°
197875°53°64°
197771°40°55°
197669°42°56°
197558°39°48°
197474°45°59°
1973coldest57°40°48°0.03"
197279°46°62°
197177°41°59°
56 years of data from MODESTO AP

Browse Weather History

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