October 21 - custom location - Weather History and Averages

High Temperatures

On October 21 in this location the average high temperature is 76.4 °F (24.7 °C). The lowest recored high temperature was 48.9 °F (9.4 °C) in 1984 and the highest recored high temperature was 100.9 °F (38.3 °C) in 2003. The high temperature is usually* between 71.5 °F (21.9 °C) and 81.4 °F (27.5 °C). About a quarter of the time, the high temperature is less than 71.5 °F (21.9 °C), and another quarter of the time, the high temperature is greater than and 81.4 °F (27.5 °C). About 95% of the time, the high temperature has been between 62.0 °F (16.7 °C) and 90.9 °F (32.7 °C).

Low Temperatures

On October 21 in this location the average low temperature is 57.2 °F (14.0 °C). The lowest recored low temperature was 39.9 °F (4.4 °C) in 1984 and the lowest recored low temperature was 82.4 °F (28.0 °C) in 2024. The low temperature is usually* between 54.5 °F (12.5 °C) and 59.9 °F (15.5 °C). About a quarter of the time, the low temperature is less than 54.5 °F (12.5 °C), and another quarter of the time, the low temperature is greater than and 59.9 °F (15.5 °C). About 95% of the time, the low temperature has been between 49.4 °F (9.7 °C) and 65.1 °F (18.4 °C).

Frost

On October 21 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.

Usually* in this context means around 50% of the time, assuming a normal distribution of values.

Data Source(s)

The data used to compute the average high/low temperatures for this location were taken from the following stations: