Weather on March 20

Riverside, CA

55 Years of Data

Avg High
74°F
Avg Low
48°F
Warmest
2026
82°F avg
Coldest
1991
48°F avg

About This Date

March 20th in Riverside, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 48°F — a 26°F daily swing. Over 56 years of records, the warmest March 20th was in 2026 (82°F average), while the coldest was 1991 (48°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 18% of March 20th dates historically, with the wettest March 20th recording 2.54" 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 20th in Riverside, CA? Great weather for outdoor activities.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest102°63°82°
202576°48°62°
202474°49°61°
202362°51°57°
202272°52°62°0.05"
202168°50°59°
202064°46°55°0.03"
201965°49°57°
201876°50°63°
201771°53°62°
201679°51°65°
201586°53°70°
201483°46°64°
201373°51°62°
201274°39°56°
201162°50°56°
201085°49°67°
200977°44°61°
200870°45°57°
200768°48°58°
200658°43°50°0.05"
200564°49°56°0.03"
200493°49°71°
200366°43°54°
200289°41°65°
200188°55°71°
200067°50°58°
199960°44°52°0.05"
199873°46°60°
199796°57°77°
199686°50°68°
199569°56°62°
199471°54°62°
199375°54°64°
199265°49°57°2.54"
1991coldest54°42°48°1.98"
199088°54°71°
198979°51°65°
198888°45°66°
198765°36°50°
198682°42°62°
198577°44°61°
198490°50°70°
198361°46°53°
198263°37°50°
198161°49°55°0.61"
198073°43°58°
197961°45°53°0.08"
197871°51°61°
197770°39°54°
197668°45°56°
197575°49°62°
197463°53°58°
197368°44°56°1.19"
197277°52°64°
197176°39°57°
56 years of data from RIVERSIDE CITRUS EXP

Browse Weather History

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

March 20th Weather in Riverside, CA - 55 Years of History