May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 68.9 °F (20.5 °C). The lowest recored high temperature was 23.0 °F (-5.0 °C) in 2004 and the highest recored high temperature was 91.9 °F (33.3 °C) in 1977. The high temperature is usually* between 62.5 °F (16.9 °C) and 75.3 °F (24.1 °C). About a quarter of the time, the high temperature is less than 62.5 °F (16.9 °C), and another quarter of the time, the high temperature is greater than and 75.3 °F (24.1 °C). About 95% of the time, the high temperature has been between 50.3 °F (10.2 °C) and 87.5 °F (30.8 °C).

Low Temperatures

On May 18 in this location the average low temperature is 52.1 °F (11.2 °C). The lowest recored low temperature was 14.9 °F (-9.5 °C) in 2004 and the lowest recored low temperature was 74.8 °F (23.8 °C) in 2017. The low temperature is usually* between 47.3 °F (8.5 °C) and 56.9 °F (13.8 °C). About a quarter of the time, the low temperature is less than 47.3 °F (8.5 °C), and another quarter of the time, the low temperature is greater than and 56.9 °F (13.8 °C). About 95% of the time, the low temperature has been between 38.2 °F (3.4 °C) and 66.0 °F (18.9 °C).

Frost

On May 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.2% 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: