May 15 - custom location - Weather History and Averages

High Temperatures

On May 15 in this location the average high temperature is 68.4 °F (20.2 °C). The lowest recored high temperature was 43.0 °F (6.1 °C) in 1945 and the highest recored high temperature was 90.0 °F (32.2 °C) in 2025. The high temperature is usually* between 60.8 °F (16.0 °C) and 76.0 °F (24.5 °C). About a quarter of the time, the high temperature is less than 60.8 °F (16.0 °C), and another quarter of the time, the high temperature is greater than and 76.0 °F (24.5 °C). About 95% of the time, the high temperature has been between 46.3 °F (7.9 °C) and 90.5 °F (32.5 °C).

Low Temperatures

On May 15 in this location the average low temperature is 50.8 °F (10.4 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 1959 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1962. The low temperature is usually* between 45.9 °F (7.7 °C) and 55.7 °F (13.2 °C). About a quarter of the time, the low temperature is less than 45.9 °F (7.7 °C), and another quarter of the time, the low temperature is greater than and 55.7 °F (13.2 °C). About 95% of the time, the low temperature has been between 36.5 °F (2.5 °C) and 65.1 °F (18.4 °C).

Frost

On May 15 in this location expect the temperatures to drop below freezing for a risk of frost about 0.5% 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: