April 18 - custom location - Weather History and Averages

High Temperatures

On April 18 in this location the average high temperature is 75.5 °F (24.1 °C). The lowest recored high temperature was 55.4 °F (13.0 °C) in 2025 and the highest recored high temperature was 95.0 °F (35.0 °C) in 1999. The high temperature is usually* between 69.5 °F (20.9 °C) and 81.4 °F (27.4 °C). About a quarter of the time, the high temperature is less than 69.5 °F (20.9 °C), and another quarter of the time, the high temperature is greater than and 81.4 °F (27.4 °C). About 95% of the time, the high temperature has been between 58.3 °F (14.6 °C) and 92.7 °F (33.7 °C).

Low Temperatures

On April 18 in this location the average low temperature is 49.2 °F (9.6 °C). The lowest recored low temperature was 30.9 °F (-0.6 °C) in 1968 and the lowest recored low temperature was 64.4 °F (18.0 °C) in 2017. The low temperature is usually* between 45.5 °F (7.5 °C) and 52.9 °F (11.6 °C). About a quarter of the time, the low temperature is less than 45.5 °F (7.5 °C), and another quarter of the time, the low temperature is greater than and 52.9 °F (11.6 °C). About 95% of the time, the low temperature has been between 38.5 °F (3.6 °C) and 60.0 °F (15.5 °C).

Frost

On April 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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: