October 21 - custom location - Weather History and Averages

High Temperatures

On October 21 in this location the average high temperature is 61.8 °F (16.6 °C). The lowest recored high temperature was 41.9 °F (5.5 °C) in 1987 and the highest recored high temperature was 82.0 °F (27.8 °C) in 2007. The high temperature is usually* between 55.5 °F (13.1 °C) and 68.2 °F (20.1 °C). About a quarter of the time, the high temperature is less than 55.5 °F (13.1 °C), and another quarter of the time, the high temperature is greater than and 68.2 °F (20.1 °C). About 95% of the time, the high temperature has been between 43.5 °F (6.4 °C) and 80.2 °F (26.8 °C).

Low Temperatures

On October 21 in this location the average low temperature is 43.3 °F (6.3 °C). The lowest recored low temperature was 21.9 °F (-5.6 °C) in 1952 and the lowest recored low temperature was 67.8 °F (19.9 °C) in 1979. The low temperature is usually* between 37.7 °F (3.2 °C) and 48.8 °F (9.4 °C). About a quarter of the time, the low temperature is less than 37.7 °F (3.2 °C), and another quarter of the time, the low temperature is greater than and 48.8 °F (9.4 °C). About 95% of the time, the low temperature has been between 27.0 °F (-2.8 °C) and 59.5 °F (15.3 °C).

Frost

On October 21 in this location expect the temperatures to drop below freezing for a risk of frost about 8.7% 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: