NOAA GHCND · LIVE

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

San Bernardino, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

30°50°70°90°110°JFMAMJJASOND
Avg high Avg low

San Bernardino, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"5.8"11.6"JFMAMJJASOND0.1"0"
Rain (in) Snow (in)

San Bernardino, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit San Bernardino, CA

San Bernardino, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

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

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery