May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 73.6 °F (23.1 °C). The lowest recored high temperature was 41.0 °F (5.0 °C) in 2011 and the highest recored high temperature was 96.1 °F (35.6 °C) in 2008. The high temperature is usually* between 69.4 °F (20.8 °C) and 77.8 °F (25.5 °C). About a quarter of the time, the high temperature is less than 69.4 °F (20.8 °C), and another quarter of the time, the high temperature is greater than and 77.8 °F (25.5 °C). About 95% of the time, the high temperature has been between 61.4 °F (16.4 °C) and 85.9 °F (29.9 °C).

Low Temperatures

On May 18 in this location the average low temperature is 56.5 °F (13.6 °C). The lowest recored low temperature was 30.0 °F (-1.1 °C) in 1991 and the lowest recored low temperature was 69.8 °F (21.0 °C) in 2025. The low temperature is usually* between 53.8 °F (12.1 °C) and 59.3 °F (15.1 °C). About a quarter of the time, the low temperature is less than 53.8 °F (12.1 °C), and another quarter of the time, the low temperature is greater than and 59.3 °F (15.1 °C). About 95% of the time, the low temperature has been between 48.6 °F (9.2 °C) and 64.4 °F (18.0 °C).

Frost

On May 18 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: