October 21 - custom location - Weather History and Averages

High Temperatures

On October 21 in this location the average high temperature is 59.3 °F (15.2 °C). The lowest recored high temperature was 43.0 °F (6.1 °C) in 1987 and the highest recored high temperature was 82.9 °F (28.3 °C) in 2003. The high temperature is usually* between 52.9 °F (11.6 °C) and 65.7 °F (18.7 °C). About a quarter of the time, the high temperature is less than 52.9 °F (11.6 °C), and another quarter of the time, the high temperature is greater than and 65.7 °F (18.7 °C). About 95% of the time, the high temperature has been between 40.6 °F (4.8 °C) and 78.0 °F (25.5 °C).

Low Temperatures

On October 21 in this location the average low temperature is 41.5 °F (5.3 °C). The lowest recored low temperature was 21.4 °F (-5.9 °C) in 1960 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 1979. The low temperature is usually* between 36.1 °F (2.3 °C) and 47.0 °F (8.3 °C). About a quarter of the time, the low temperature is less than 36.1 °F (2.3 °C), and another quarter of the time, the low temperature is greater than and 47.0 °F (8.3 °C). About 95% of the time, the low temperature has been between 25.7 °F (-3.5 °C) and 57.4 °F (14.1 °C).

Frost

On October 21 in this location expect the temperatures to drop below freezing for a risk of frost about 11.9% 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: