Highest Daily Low Temperatures in Castle Rock History

This is a list of the hottest daily low temperatures ever recorded in Castle Rock, Colorado history from 1893–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Castle Rock

The highest low temperature for a calendar day in Castle Rock, Colorado history was 72 °F which has happened twice, most recently on Tuesday July 19, 2022.

Rank	Temperature	Date
1	72 °F	July 19, 2022
1	72 °F	July 18, 2022
3	71 °F	June 18, 2022
3	71 °F	September 1, 1905
5	70 °F	July 23, 2022
5	70 °F	July 28, 2021
5	70 °F	July 24, 2014
5	70 °F	August 19, 2010
9	69 °F	July 15, 2022
9	69 °F	July 9, 2022
9	69 °F	July 3, 2022
9	69 °F	September 10, 2021
9	69 °F	July 29, 2021
9	69 °F	July 9, 2021
9	69 °F	July 8, 2021
9	69 °F	August 6, 2020
9	69 °F	June 6, 2020
9	69 °F	August 22, 2019
9	69 °F	August 11, 2012
9	69 °F	July 31, 2001