Weather on March 27

San Mateo, CA

55 Years of Data

Avg High
64°F
Avg Low
48°F
Warmest
2026
67°F avg
Coldest
1972
49°F avg

About This Date

March 27th in San Mateo, CA typically brings mild spring weather, with average highs around 64°F and lows near 48°F. Over 56 years of records, the warmest March 27th was in 2026 (67°F average), while the coldest was 1972 (49°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 29% of March 27th dates historically, with the wettest March 27th recording 2.59" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

Planning for March 27th in San Mateo, CA? Great weather for outdoor activities.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest80°54°67°
202563°54°58°0.2"
202458°48°53°0.41"
202362°40°51°
202265°50°57°0.36"
202177°46°62°
202059°47°53°
201962°54°58°0.1"
201872°49°60°
201761°51°56°
201662°51°57°
201563°52°57°
201465°54°59°
201364°50°57°
201259°52°55°1.55"
201157°45°51°0.05"
201069°45°57°
200973°50°62°
200856°44°50°
200756°46°51°
200660°44°52°0.51"
200563°48°55°1.32"
200462°52°57°0.18"
200362°47°54°
200272°46°59°
200165°47°56°
200056°48°52°
199957°43°50°
199859°47°53°0.48"
199764°48°56°
199666°51°59°0.03"
199564°42°53°
199468°50°59°
199356°48°52°0.86"
199269°54°61°
199159°41°50°
199063°45°54°
198963°51°57°
198869°45°57°
198771°47°59°
198677°54°65°
198559°43°51°0.28"
198470°45°57°
198358°48°53°1.32"
198260°46°53°
198163°45°54°
198061°44°52°
197960°49°54°2.59"
197870°53°61°
197766°45°55°
197661°44°52°
197558°45°51°
197463°51°57°0.64"
197359°47°53°
1972coldest60°38°49°
197169°42°56°
56 years of data from BURLINGAME

Browse Weather History

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