May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 70.9 °F (21.6 °C). The lowest recored high temperature was 46.4 °F (8.0 °C) in 2002 and the highest recored high temperature was 88.9 °F (31.6 °C) in 1996. The high temperature is usually* between 64.2 °F (17.9 °C) and 77.5 °F (25.3 °C). About a quarter of the time, the high temperature is less than 64.2 °F (17.9 °C), and another quarter of the time, the high temperature is greater than and 77.5 °F (25.3 °C). About 95% of the time, the high temperature has been between 51.5 °F (10.8 °C) and 90.2 °F (32.3 °C).

Low Temperatures

On May 18 in this location the average low temperature is 49.5 °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 43.8 °F (6.5 °C) and 55.3 °F (12.9 °C). About a quarter of the time, the low temperature is less than 43.8 °F (6.5 °C), and another quarter of the time, the low temperature is greater than and 55.3 °F (12.9 °C). About 95% of the time, the low temperature has been between 32.8 °F (0.5 °C) and 66.2 °F (19.0 °C).

Frost

On May 18 in this location expect the temperatures to drop below freezing for a risk of frost about 2.0% 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: