Weather on October 30

Fontana, CA

55 Years of Data

Avg High
76°F
Avg Low
51°F
Warmest
2025
76°F avg
Coldest
1971
52°F avg

About This Date

October 30th in Fontana, CA typically brings pleasant fall weather, with average highs around 76°F and lows near 51°F — a 25°F daily swing. Over 55 years of records, the warmest October 30th was in 2025 (76°F average), while the coldest was 1971 (52°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 30th dates historically, with the wettest October 30th recording 1.35" of rain. The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
1.2°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest92°61°76°
202474°49°61°
202379°50°64°
202284°49°66°
202181°55°68°
202088°55°71°
201972°44°58°
201877°57°67°
201769°60°65°
201670°60°65°0.03"
201586°61°73°
201486°59°73°
201371°48°60°
201286°53°70°
201189°51°70°
201067°51°59°0.1"
200975°45°60°
200887°60°74°
200773°54°63°
200668°52°60°
200577°49°63°
200472°45°58°
200369°54°61°
200268°54°61°
200173°55°64°0.03"
200063°51°57°
199991°51°71°
199870°50°60°
199785°44°64°
199664°50°57°1.35"
199579°62°70°
199477°52°64°
199388°49°68°
199266°58°62°0.51"
199169°46°58°
199087°52°69°
198980°44°62°
198885°49°67°
198777°53°65°
198681°49°65°
198572°48°60°
198476°48°62°
198375°57°66°
198273°48°61°
198171°43°57°
198086°45°65°
197977°47°62°
197860°54°57°
197775°50°63°
197681°53°67°
197576°50°63°0.1"
197464°50°57°
197385°48°66°
197270°52°61°
1971coldest66°38°52°
55 years of data from FONTANA KAISER

Browse Weather History

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