Weather on July 3

San Mateo, CA

55 Years of Data

Avg High
72°F
Avg Low
54°F
Warmest
2024
74°F avg
Coldest
1999
57°F avg

About This Date

July 3rd in San Mateo, CA typically brings pleasant summer weather, with average highs around 72°F and lows near 54°F. Over 55 years of records, the warmest July 3rd was in 2024 (74°F average), while the coldest was 1999 (57°F) — a 17°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 July 3rd in San Mateo, CA? Great weather for outdoor activities.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
202565°54°59°
2024warmest86°62°74°
202373°58°65°
202265°56°60°
202175°61°68°
202068°55°62°
201971°55°63°
201875°51°63°
201779°54°66°
201674°54°64°
201572°58°65°
201473°57°65°
201380°58°69°
201269°55°62°
201184°56°70°
201079°54°66°
200967°55°61°
200874°55°64°
200767°55°61°
200666°53°60°
200568°55°62°
200474°55°64°
200367°52°59°
200268°53°61°
200187°59°73°
200061°53°57°
1999coldest63°52°57°
199869°54°61°
199771°56°63°
199671°55°63°
199569°57°63°
199473°53°63°
199375°52°63°
199272°58°65°
199174°54°64°
199069°52°60°
198968°56°62°
198866°53°60°
198769°56°62°
198670°54°62°
198576°52°64°
198483°54°68°
198381°51°66°
198268°53°61°
198171°53°62°
198065°54°59°
197965°53°59°
197878°53°66°
197778°49°63°
197671°54°62°
197567°52°59°
197474°51°62°
197350°
197273°56°64°
197171°51°61°
55 years of data from BURLINGAME

Browse Weather History

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