Weather on March 8

San Marcos, CA

55 Years of Data

Avg High
69°F
Avg Low
46°F
Warmest
2026
72°F avg
Coldest
1974
47°F avg

About This Date

March 8th in San Marcos, CA typically brings mild spring weather, with average highs around 69°F and lows near 46°F. Over 56 years of records, the warmest March 8th was in 2026 (72°F average), while the coldest was 1974 (47°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 8th dates historically, with the wettest March 8th recording 4.04" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

Planning for March 8th in San Marcos, CA? Great weather for outdoor activities.

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest89°55°72°
202570°40°55°
202470°47°58°
202364°41°53°
202272°41°56°
202168°53°61°
202069°53°61°0.08"
201960°48°54°0.38"
201875°50°63°
201783°48°65°
201667°41°54°0.51"
201579°47°63°
201484°49°66°
201356°47°51°3.58"
201277°39°58°
201170°44°57°
201060°53°57°0.03"
200960°49°54°
200866°49°57°
200763°50°56°
200660°50°55°
200569°52°60°
200491°52°71°
200370°48°59°
200280°41°61°0.23"
200168°42°55°
200063°37°50°0.38"
199962°40°51°
199868°41°55°
199774°41°57°
199670°48°59°
199575°50°63°
199462°52°57°
199379°47°63°
199264°44°54°0.46"
199173°39°56°
199068°44°56°
198982°53°68°
198876°45°60°
198763°53°58°0.03"
198663°51°57°0.69"
198566°43°54°
198468°40°54°
198370°54°62°
198273°50°62°
198175°41°58°
198069°40°54°
197977°44°61°
197871°48°60°
197774°46°60°
197661°43°52°
197559°53°56°2.44"
1974coldest52°43°47°4.04"
197353°45°49°2.29"
197269°51°60°
197168°34°51°
56 years of data from ESCONDIDO #2

Browse Weather History

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

March 8th Weather in San Marcos, CA - 55 Years of History