May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 68.6 °F (20.3 °C). The lowest recored high temperature was 23.0 °F (-5.0 °C) in 2004 and the highest recored high temperature was 91.0 °F (32.8 °C) in 1962. The high temperature is usually* between 62.5 °F (17.0 °C) and 74.7 °F (23.7 °C). About a quarter of the time, the high temperature is less than 62.5 °F (17.0 °C), and another quarter of the time, the high temperature is greater than and 74.7 °F (23.7 °C). About 95% of the time, the high temperature has been between 50.9 °F (10.5 °C) and 86.4 °F (30.2 °C).

Low Temperatures

On May 18 in this location the average low temperature is 50.1 °F (10.1 °C). The lowest recored low temperature was 14.9 °F (-9.5 °C) in 2004 and the lowest recored low temperature was 71.1 °F (21.7 °C) in 2017. The low temperature is usually* between 45.5 °F (7.5 °C) and 54.7 °F (12.6 °C). About a quarter of the time, the low temperature is less than 45.5 °F (7.5 °C), and another quarter of the time, the low temperature is greater than and 54.7 °F (12.6 °C). About 95% of the time, the low temperature has been between 36.8 °F (2.6 °C) and 63.5 °F (17.5 °C).

Frost

On May 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.4% 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: