June 21 - custom location - Weather History and Averages

High Temperatures

On June 21 in this location the average high temperature is 88.9 °F (31.6 °C). The lowest recored high temperature was 66.2 °F (19.0 °C) in 2003 and the highest recored high temperature was 111.0 °F (43.9 °C) in 2016. The high temperature is usually* between 83.6 °F (28.7 °C) and 94.3 °F (34.6 °C). About a quarter of the time, the high temperature is less than 83.6 °F (28.7 °C), and another quarter of the time, the high temperature is greater than and 94.3 °F (34.6 °C). About 95% of the time, the high temperature has been between 73.5 °F (23.1 °C) and 104.4 °F (40.2 °C).

Low Temperatures

On June 21 in this location the average low temperature is 56.9 °F (13.9 °C). The lowest recored low temperature was 46.0 °F (7.8 °C) in 2023 and the lowest recored low temperature was 80.1 °F (26.7 °C) in 1989. The low temperature is usually* between 53.9 °F (12.2 °C) and 60.0 °F (15.6 °C). About a quarter of the time, the low temperature is less than 53.9 °F (12.2 °C), and another quarter of the time, the low temperature is greater than and 60.0 °F (15.6 °C). About 95% of the time, the low temperature has been between 48.0 °F (8.9 °C) and 65.8 °F (18.8 °C).

Frost

On June 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: