Weather on October 15

Olathe, KS

55 Years of Data

Avg High
68°F
Avg Low
47°F
Warmest
2025
75°F avg
Coldest
2018
38°F avg

About This Date

October 15th in Olathe, KS typically brings mild fall weather, with average highs around 68°F and lows near 47°F. Over 55 years of records, the warmest October 15th was in 2025 (75°F average), while the coldest was 2018 (38°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 29% of October 15th dates historically, with the wettest October 15th recording 3.3" of rain. The last decade has been 5.5°F cooler on this date compared to 20-30 years ago.

The last decade has been 5.5°F cooler on this date compared to 20-30 years ago.

Planning for October 15th in Olathe, KS? Great weather for outdoor activities.

Cooling Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest85°66°75°
202458°43°50°
202355°44°50°0.13"
202270°38°54°
202164°46°55°0.03"
202064°37°51°
201964°44°54°
2018coldest45°31°38°
201761°42°51°
201672°64°68°
201577°46°62°
201469°43°56°
201360°45°52°0.15"
201273°45°59°
201174°38°56°
201073°45°59°
200950°44°47°0.03"
200856°49°52°2.39"
200776°55°65°1.07"
200654°36°45°1.65"
200583°55°69°
200456°41°48°
200369°45°57°0.03"
200262°39°51°
200154°37°45°
200063°57°60°2.36"
199985°62°73°
199878°63°70°
199772°47°59°
199680°58°69°
199579°46°62°
199463°55°59°
199366°53°60°
199266°45°55°
199161°41°51°
199070°41°55°
198983°62°72°
198874°57°65°
198775°50°63°
198660°38°49°
198569°42°56°0.76"
198465°49°57°3.3"
198372°54°63°0.03"
198274°33°53°
198165°53°59°0.43"
198069°60°65°0.46"
197968°47°57°
197869°39°54°
197769°40°54°0.1"
197670°49°59°
197564°46°55°0.79"
197457°34°45°
197379°53°66°
197258°37°47°
197181°57°69°
55 years of data from OLATHE 3E

Browse Weather History

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