August 20 - custom location - Weather History and Averages

High Temperatures

On August 20 in this location the average high temperature is 81.7 °F (27.6 °C). The lowest recored high temperature was 68.0 °F (20.0 °C) in 2009 and the highest recored high temperature was 102.2 °F (39.0 °C) in 2024. The high temperature is usually* between 78.3 °F (25.7 °C) and 85.0 °F (29.5 °C). About a quarter of the time, the high temperature is less than 78.3 °F (25.7 °C), and another quarter of the time, the high temperature is greater than and 85.0 °F (29.5 °C). About 95% of the time, the high temperature has been between 72.0 °F (22.2 °C) and 91.4 °F (33.0 °C).

Low Temperatures

On August 20 in this location the average low temperature is 64.4 °F (18.0 °C). The lowest recored low temperature was 48.0 °F (8.9 °C) in 1990 and the lowest recored low temperature was 84.2 °F (29.0 °C) in 2020. The low temperature is usually* between 61.9 °F (16.6 °C) and 66.8 °F (19.3 °C). About a quarter of the time, the low temperature is less than 61.9 °F (16.6 °C), and another quarter of the time, the low temperature is greater than and 66.8 °F (19.3 °C). About 95% of the time, the low temperature has been between 57.4 °F (14.1 °C) and 71.4 °F (21.9 °C).

Frost

On August 20 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: