Weather on February 4

Fontana, CA

55 Years of Data

Avg High
69°F
Avg Low
43°F
Warmest
2026
71°F avg
Coldest
2020
46°F avg

About This Date

February 4th in Fontana, CA typically brings mild winter weather, with average highs around 69°F and lows near 43°F — a 26°F daily swing. Over 56 years of records, the warmest February 4th was in 2026 (71°F average), while the coldest was 2020 (46°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 18% of February 4th dates historically, with the wettest February 4th recording 2.59" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for February 4th in Fontana, CA? Great weather for outdoor activities.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest87°56°71°
202562°50°56°
202460°48°54°2.59"
202371°39°55°
202270°43°56°
202165°45°55°
2020coldest56°37°46°
201955°48°52°0.66"
201886°49°67°
201762°49°55°
201668°37°53°
201578°47°62°
201460°46°53°
201373°46°60°
201271°36°53°
201167°34°50°
201061°45°53°
200982°46°64°
200858°38°48°
200785°42°63°
200675°45°60°
200574°50°62°
200462°41°52°
200369°41°55°
200275°38°56°
200186°51°69°
200065°46°55°
199953°46°50°0.89"
199862°42°52°0.51"
199770°41°55°
199674°47°60°0.03"
199588°48°68°
199464°42°53°1.35"
199380°48°64°
199299°41°70°
199185°41°63°
199060°38°49°0.84"
198954°48°51°1.55"
198870°47°58°
198774°44°59°
198669°39°54°
198557°40°48°
198476°41°58°
198366°37°52°
198257°40°48°
198164°34°49°
198081°48°64°
197962°33°48°
197876°49°62°
197773°40°56°
197662°40°51°0.66"
197554°45°49°0.69"
197483°51°67°
197359°46°53°
197267°40°53°
197168°41°55°
56 years of data from FONTANA KAISER

Browse Weather History

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