Weather on October 15

San Diego, CA

55 Years of Data

Avg High
74°F
Avg Low
62°F
Warmest
1997
75°F avg
Coldest
2025
62°F avg

About This Date

October 15th in San Diego, CA typically brings pleasant fall weather, with average highs around 74°F and lows near 62°F. Over 55 years of records, the warmest October 15th was in 1997 (75°F average), while the coldest was 2025 (62°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 15th dates historically. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

Planning for October 15th in San Diego, CA? Great weather for outdoor activities.

YearHighLowAvgPrecipSnow
2025coldest68°56°62°
202470°66°68°
202378°58°68°
202273°64°69°0.05"
202185°53°69°
202086°63°74°
201976°57°66°
201881°62°71°
201790°60°75°
201674°65°69°
201579°72°75°
201477°68°73°
201376°57°66°
201277°64°71°
201169°62°66°
201069°66°68°
200973°65°69°
200886°57°72°
200765°62°63°
200666°62°64°
200568°62°65°
200470°64°67°
200372°65°68°
200266°62°64°
200175°60°68°
200071°56°63°
199969°63°66°
199866°62°64°
1997warmest90°61°75°
199670°61°65°
199571°64°68°
199468°59°64°0.03"
199373°61°67°
199274°66°70°
199171°63°67°
199073°65°69°
198970°62°66°
198871°59°65°
198772°65°68°
198675°57°66°
198591°58°74°
198475°65°70°
198373°64°69°
198281°61°71°
198169°61°65°
198068°62°65°
197976°65°70°
197876°61°68°
197773°62°68°
197673°67°70°
197585°57°71°
197487°58°72°
197371°58°64°
197275°58°66°
197168°60°64°
55 years of data from SAN DIEGO INTL AP

Browse Weather History

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