May 18 - custom location - Weather History and Averages

High Temperatures

On May 18 in this location the average high temperature is 80.2 °F (26.8 °C). The lowest recored high temperature was 55.0 °F (12.8 °C) in 1949 and the highest recored high temperature was 101.5 °F (38.6 °C) in 2008. The high temperature is usually* between 74.7 °F (23.7 °C) and 85.6 °F (29.8 °C). About a quarter of the time, the high temperature is less than 74.7 °F (23.7 °C), and another quarter of the time, the high temperature is greater than and 85.6 °F (29.8 °C). About 95% of the time, the high temperature has been between 64.3 °F (18.0 °C) and 96.0 °F (35.6 °C).

Low Temperatures

On May 18 in this location the average low temperature is 52.4 °F (11.3 °C). The lowest recored low temperature was 38.8 °F (3.8 °C) in 2019 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 1978. The low temperature is usually* between 49.6 °F (9.8 °C) and 55.2 °F (12.9 °C). About a quarter of the time, the low temperature is less than 49.6 °F (9.8 °C), and another quarter of the time, the low temperature is greater than and 55.2 °F (12.9 °C). About 95% of the time, the low temperature has been between 44.3 °F (6.8 °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 0.0% 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: