May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 71.8 °F (22.1 °C). The lowest recored high temperature was 48.0 °F (8.9 °C) in 1957 and the highest recored high temperature was 96.1 °F (35.6 °C) in 1962. The high temperature is usually* between 65.3 °F (18.5 °C) and 78.3 °F (25.7 °C). About a quarter of the time, the high temperature is less than 65.3 °F (18.5 °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 53.0 °F (11.7 °C) and 90.7 °F (32.6 °C).

Low Temperatures

On May 18 in this location the average low temperature is 48.5 °F (9.2 °C). The lowest recored low temperature was 27.0 °F (-2.8 °C) in 2009 and the lowest recored low temperature was 69.1 °F (20.6 °C) in 2017. The low temperature is usually* between 43.4 °F (6.3 °C) and 53.6 °F (12.0 °C). About a quarter of the time, the low temperature is less than 43.4 °F (6.3 °C), and another quarter of the time, the low temperature is greater than and 53.6 °F (12.0 °C). About 95% of the time, the low temperature has been between 33.6 °F (0.9 °C) and 63.4 °F (17.5 °C).

Frost

On May 18 in this location expect the temperatures to drop below freezing for a risk of frost about 1.5% 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: