June 21 - custom location - Weather History and Averages

High Temperatures

On June 21 in this location the average high temperature is 79.5 °F (26.4 °C). The lowest recored high temperature was 54.9 °F (12.7 °C) in 1992 and the highest recored high temperature was 100.0 °F (37.8 °C) in 2022. The high temperature is usually* between 74.3 °F (23.5 °C) and 84.8 °F (29.3 °C). About a quarter of the time, the high temperature is less than 74.3 °F (23.5 °C), and another quarter of the time, the high temperature is greater than and 84.8 °F (29.3 °C). About 95% of the time, the high temperature has been between 64.2 °F (17.9 °C) and 94.8 °F (34.9 °C).

Low Temperatures

On June 21 in this location the average low temperature is 61.3 °F (16.3 °C). The lowest recored low temperature was 34.2 °F (1.2 °C) in 2018 and the lowest recored low temperature was 75.9 °F (24.4 °C) in 2025. The low temperature is usually* between 56.7 °F (13.7 °C) and 65.9 °F (18.8 °C). About a quarter of the time, the low temperature is less than 56.7 °F (13.7 °C), and another quarter of the time, the low temperature is greater than and 65.9 °F (18.8 °C). About 95% of the time, the low temperature has been between 47.9 °F (8.8 °C) and 74.7 °F (23.7 °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: