August 21 - custom location - Weather History and Averages

High Temperatures

On August 21 in this location the average high temperature is 78.8 °F (26.0 °C). The lowest recored high temperature was 20.8 °F (-6.2 °C) in 2004 and the highest recored high temperature was 95.0 °F (35.0 °C) in 1955. The high temperature is usually* between 74.7 °F (23.7 °C) and 82.9 °F (28.3 °C). About a quarter of the time, the high temperature is less than 74.7 °F (23.7 °C), and another quarter of the time, the high temperature is greater than and 82.9 °F (28.3 °C). About 95% of the time, the high temperature has been between 66.8 °F (19.3 °C) and 90.8 °F (32.7 °C).

Low Temperatures

On August 21 in this location the average low temperature is 61.6 °F (16.5 °C). The lowest recored low temperature was 11.8 °F (-11.2 °C) in 2004 and the lowest recored low temperature was 75.2 °F (24.0 °C) in 2021. The low temperature is usually* between 57.5 °F (14.2 °C) and 65.7 °F (18.7 °C). About a quarter of the time, the low temperature is less than 57.5 °F (14.2 °C), and another quarter of the time, the low temperature is greater than and 65.7 °F (18.7 °C). About 95% of the time, the low temperature has been between 49.7 °F (9.8 °C) and 73.6 °F (23.1 °C).

Frost

On August 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: