May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 70.4 °F (21.3 °C). The lowest recored high temperature was 48.2 °F (9.0 °C) in 2002 and the highest recored high temperature was 93.0 °F (33.9 °C) in 1962. The high temperature is usually* between 64.5 °F (18.1 °C) and 76.3 °F (24.6 °C). About a quarter of the time, the high temperature is less than 64.5 °F (18.1 °C), and another quarter of the time, the high temperature is greater than and 76.3 °F (24.6 °C). About 95% of the time, the high temperature has been between 53.3 °F (11.8 °C) and 87.4 °F (30.8 °C).

Low Temperatures

On May 18 in this location the average low temperature is 49.4 °F (9.7 °C). The lowest recored low temperature was 31.1 °F (-0.5 °C) in 1973 and the lowest recored low temperature was 73.2 °F (22.9 °C) in 2017. The low temperature is usually* between 45.1 °F (7.3 °C) and 53.7 °F (12.0 °C). About a quarter of the time, the low temperature is less than 45.1 °F (7.3 °C), and another quarter of the time, the low temperature is greater than and 53.7 °F (12.0 °C). About 95% of the time, the low temperature has been between 37.0 °F (2.8 °C) and 61.8 °F (16.6 °C).

Frost

On May 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.3% 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: