May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 66.5 °F (19.2 °C). The lowest recored high temperature was 42.1 °F (5.6 °C) in 1969 and the highest recored high temperature was 89.1 °F (31.7 °C) in 1996. The high temperature is usually* between 59.2 °F (15.1 °C) and 73.8 °F (23.2 °C). About a quarter of the time, the high temperature is less than 59.2 °F (15.1 °C), and another quarter of the time, the high temperature is greater than and 73.8 °F (23.2 °C). About 95% of the time, the high temperature has been between 45.2 °F (7.3 °C) and 87.8 °F (31.0 °C).

Low Temperatures

On May 18 in this location the average low temperature is 47.2 °F (8.4 °C). The lowest recored low temperature was 31.5 °F (-0.3 °C) in 1983 and the lowest recored low temperature was 68.9 °F (20.5 °C) in 1977. The low temperature is usually* between 42.5 °F (5.8 °C) and 51.8 °F (11.0 °C). About a quarter of the time, the low temperature is less than 42.5 °F (5.8 °C), and another quarter of the time, the low temperature is greater than and 51.8 °F (11.0 °C). About 95% of the time, the low temperature has been between 33.7 °F (0.9 °C) and 60.6 °F (15.9 °C).

Frost

On May 18 in this location expect the temperatures to drop below freezing for a risk of frost about 1.4% 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: