April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 62.0 °F (16.6 °C). The lowest recored high temperature was 41.7 °F (5.4 °C) in 2021 and the highest recored high temperature was 89.1 °F (31.7 °C) in 1987. The high temperature is usually* between 54.9 °F (12.7 °C) and 69.0 °F (20.6 °C). About a quarter of the time, the high temperature is less than 54.9 °F (12.7 °C), and another quarter of the time, the high temperature is greater than and 69.0 °F (20.6 °C). About 95% of the time, the high temperature has been between 41.4 °F (5.2 °C) and 82.5 °F (28.0 °C).

Low Temperatures

On April 21 in this location the average low temperature is 42.0 °F (5.6 °C). The lowest recored low temperature was 27.0 °F (-2.8 °C) in 1983 and the lowest recored low temperature was 64.0 °F (17.8 °C) in 1985. The low temperature is usually* between 36.8 °F (2.7 °C) and 47.2 °F (8.5 °C). About a quarter of the time, the low temperature is less than 36.8 °F (2.7 °C), and another quarter of the time, the low temperature is greater than and 47.2 °F (8.5 °C). About 95% of the time, the low temperature has been between 26.8 °F (-2.9 °C) and 57.2 °F (14.0 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 9.8% 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: