October 21 - custom location - Weather History and Averages

High Temperatures

On October 21 in this location the average high temperature is 61.4 °F (16.3 °C). The lowest recored high temperature was 39.9 °F (4.4 °C) in 1987 and the highest recored high temperature was 84.0 °F (28.9 °C) in 1947. The high temperature is usually* between 54.9 °F (12.7 °C) and 67.8 °F (19.9 °C). About a quarter of the time, the high temperature is less than 54.9 °F (12.7 °C), and another quarter of the time, the high temperature is greater than and 67.8 °F (19.9 °C). About 95% of the time, the high temperature has been between 42.7 °F (5.9 °C) and 80.1 °F (26.7 °C).

Low Temperatures

On October 21 in this location the average low temperature is 43.5 °F (6.4 °C). The lowest recored low temperature was 21.2 °F (-6.0 °C) in 1999 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 1979. The low temperature is usually* between 37.7 °F (3.2 °C) and 49.2 °F (9.6 °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 49.2 °F (9.6 °C). About 95% of the time, the low temperature has been between 26.8 °F (-2.9 °C) and 60.1 °F (15.6 °C).

Frost

On October 21 in this location expect the temperatures to drop below freezing for a risk of frost about 8.8% 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: