May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 74.1 °F (23.4 °C). The lowest recored high temperature was 56.8 °F (13.8 °C) in 1991 and the highest recored high temperature was 100.9 °F (38.3 °C) in 2008. The high temperature is usually* between 69.9 °F (21.1 °C) and 78.3 °F (25.7 °C). About a quarter of the time, the high temperature is less than 69.9 °F (21.1 °C), and another quarter of the time, the high temperature is greater than and 78.3 °F (25.7 °C). About 95% of the time, the high temperature has been between 61.8 °F (16.6 °C) and 86.4 °F (30.2 °C).

Low Temperatures

On May 18 in this location the average low temperature is 55.6 °F (13.1 °C). The lowest recored low temperature was 41.0 °F (5.0 °C) in 2017 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 1955. The low temperature is usually* between 52.8 °F (11.5 °C) and 58.4 °F (14.7 °C). About a quarter of the time, the low temperature is less than 52.8 °F (11.5 °C), and another quarter of the time, the low temperature is greater than and 58.4 °F (14.7 °C). About 95% of the time, the low temperature has been between 47.3 °F (8.5 °C) and 63.8 °F (17.7 °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: