Weather on October 30

San Bernardino, CA

55 Years of Data

Avg High
76°F
Avg Low
50°F
Warmest
2025
73°F avg
Coldest
1971
49°F avg

About This Date

October 30th in San Bernardino, CA typically brings pleasant fall weather, with average highs around 76°F and lows near 50°F — a 26°F daily swing. Over 48 years of records, the warmest October 30th was in 2025 (73°F average), while the coldest was 1971 (49°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 13% of October 30th dates historically, with the wettest October 30th recording 2.67" of rain.

Planning for October 30th in San Bernardino, CA? Great weather for outdoor activities.

Warming Trend
1.0°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest93°54°73°
201763°56°59°
201666°57°62°
201578°63°70°
201483°55°69°
201370°47°58°
201287°50°69°
201194°51°72°
201079°50°64°0.28"
200977°44°61°
200889°56°72°
200775°54°64°
200673°46°60°
200580°47°63°
200472°42°57°
200371°56°63°
200269°53°61°
200173°54°63°
200065°49°57°1.52"
199989°49°69°
199870°53°61°
199783°48°65°
199653°48°51°2.67"
199577°61°69°
199478°50°64°
199383°48°65°
199264°56°60°2.29"
199164°48°56°
199089°52°70°
198975°39°57°
198885°49°67°
198771°56°63°
198678°53°66°
198578°46°62°
198477°50°64°
198379°59°69°
198270°51°60°
198173°53°63°
198089°46°68°
197978°46°62°
197876°54°65°
197775°50°63°
197681°44°62°
197571°46°59°0.69"
197469°46°58°0.58"
197387°55°71°
197263°49°56°
1971coldest68°30°49°
48 years of data from NORTON AFB

Browse Weather History

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