October 21 - custom location - Weather History and Averages

High Temperatures

On October 21 in this location the average high temperature is 65.8 °F (18.8 °C). The lowest recored high temperature was 44.4 °F (6.9 °C) in 2018 and the highest recored high temperature was 90.9 °F (32.7 °C) in 1993. The high temperature is usually* between 57.1 °F (13.9 °C) and 74.5 °F (23.6 °C). About a quarter of the time, the high temperature is less than 57.1 °F (13.9 °C), and another quarter of the time, the high temperature is greater than and 74.5 °F (23.6 °C). About 95% of the time, the high temperature has been between 40.5 °F (4.7 °C) and 91.1 °F (32.9 °C).

Low Temperatures

On October 21 in this location the average low temperature is 44.5 °F (7.0 °C). The lowest recored low temperature was -0.4 °F (-18.0 °C) in 2018 and the lowest recored low temperature was 84.9 °F (29.4 °C) in 1984. The low temperature is usually* between 35.8 °F (2.1 °C) and 53.2 °F (11.8 °C). About a quarter of the time, the low temperature is less than 35.8 °F (2.1 °C), and another quarter of the time, the low temperature is greater than and 53.2 °F (11.8 °C). About 95% of the time, the low temperature has been between 19.3 °F (-7.0 °C) and 69.7 °F (20.9 °C).

Frost

On October 21 in this location expect the temperatures to drop below freezing for a risk of frost about 16.5% 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: