Weather on October 30

Joliet, IL

55 Years of Data

Avg High
57°F
Avg Low
39°F
Warmest
2024
73°F avg
Coldest
1988
32°F avg

About This Date

October 30th in Joliet, IL typically brings cool fall weather, with average highs around 57°F and lows near 39°F. Over 55 years of records, the warmest October 30th was in 2024 (73°F average), while the coldest was 1988 (32°F) — a 41°F range across recorded history. Rain or other precipitation has occurred on about 22% of October 30th dates historically, with the wettest October 30th recording 3.78" of rain. The last decade has been 4.8°F cooler on this date compared to 20-30 years ago.

The last decade has been 4.8°F cooler on this date compared to 20-30 years ago.

Planning for October 30th in Joliet, IL? Bring layers as temperatures can vary throughout the day.

Cooling Trend
1.1°F per decade on this date
YearHighLowAvgPrecipSnow
202559°40°49°
2024warmest81°66°73°
202346°32°39°0.13"
202265°40°52°
202154°0.74"
202049°30°39°
201941°32°37°0.74"
201854°36°45°
201744°37°41°
201657°42°50°0.61"
201546°35°41°
201447°32°39°
201355°40°47°
201251°35°43°
201153°33°43°
201051°31°41°
200963°50°56°3.78"
200852°30°41°
200760°38°49°
200656°31°43°
200546°41°44°
200479°62°70°0.28"
200356°39°47°
200244°39°42°0.56"
200162°42°52°
200056°37°46°
199978°55°67°
199862°47°54°0.03"
199758°33°45°
199665°42°53°1.91"
199552°35°43°
199462°41°52°
199339°32°36°
199248°42°45°
199145°39°42°2.01"
199061°33°47°
198974°52°63°
1988coldest42°21°32°
198757°36°46°
198659°37°48°
198560°37°49°
198463°36°49°
198357°36°46°
198262°50°56°
198167°45°56°
198046°23°35°
197971°38°54°
197859°33°46°
197762°38°50°
197662°34°48°
197557°34°45°
197476°61°68°0.48"
197359°42°51°0.15"
197248°45°46°
197181°59°70°
55 years of data from JOLIET

Browse Weather History

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