August 21 - custom location - Weather History and Averages

High Temperatures

On August 21 in this location the average high temperature is 78.6 °F (25.9 °C). The lowest recored high temperature was 69.6 °F (20.9 °C) in 2024 and the highest recored high temperature was 97.9 °F (36.6 °C) in 1983. The high temperature is usually* between 74.7 °F (23.7 °C) and 82.6 °F (28.1 °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 82.6 °F (28.1 °C). About 95% of the time, the high temperature has been between 67.1 °F (19.5 °C) and 90.1 °F (32.3 °C).

Low Temperatures

On August 21 in this location the average low temperature is 64.0 °F (17.8 °C). The lowest recored low temperature was 0.0 °F (-17.8 °C) in 1994 and the lowest recored low temperature was 73.6 °F (23.1 °C) in 2021. The low temperature is usually* between 58.6 °F (14.8 °C) and 69.4 °F (20.8 °C). About a quarter of the time, the low temperature is less than 58.6 °F (14.8 °C), and another quarter of the time, the low temperature is greater than and 69.4 °F (20.8 °C). About 95% of the time, the low temperature has been between 48.3 °F (9.0 °C) and 79.7 °F (26.5 °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: