April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 59.5 °F (15.3 °C). The lowest recored high temperature was 40.3 °F (4.6 °C) in 2021 and the highest recored high temperature was 84.9 °F (29.4 °C) in 1985. The high temperature is usually* between 52.1 °F (11.1 °C) and 67.0 °F (19.5 °C). About a quarter of the time, the high temperature is less than 52.1 °F (11.1 °C), and another quarter of the time, the high temperature is greater than and 67.0 °F (19.5 °C). About 95% of the time, the high temperature has been between 37.8 °F (3.2 °C) and 81.3 °F (27.4 °C).

Low Temperatures

On April 21 in this location the average low temperature is 43.3 °F (6.3 °C). The lowest recored low temperature was 27.0 °F (-2.8 °C) in 2013 and the lowest recored low temperature was 64.9 °F (18.3 °C) in 1985. The low temperature is usually* between 37.7 °F (3.2 °C) and 48.8 °F (9.3 °C). About a quarter of the time, the low temperature is less than 37.7 °F (3.2 °C), and another quarter of the time, the low temperature is greater than and 48.8 °F (9.3 °C). About 95% of the time, the low temperature has been between 27.1 °F (-2.7 °C) and 59.4 °F (15.2 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 8.6% 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: