April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 55.4 °F (13.0 °C). The lowest recored high temperature was 39.9 °F (4.4 °C) in 2002 and the highest recored high temperature was 82.4 °F (28.0 °C) in 2001. The high temperature is usually* between 49.0 °F (9.5 °C) and 61.7 °F (16.5 °C). About a quarter of the time, the high temperature is less than 49.0 °F (9.5 °C), and another quarter of the time, the high temperature is greater than and 61.7 °F (16.5 °C). About 95% of the time, the high temperature has been between 37.0 °F (2.8 °C) and 73.7 °F (23.2 °C).

Low Temperatures

On April 21 in this location the average low temperature is 39.7 °F (4.3 °C). The lowest recored low temperature was 27.0 °F (-2.8 °C) in 2021 and the lowest recored low temperature was 60.8 °F (16.0 °C) in 2001. The low temperature is usually* between 35.8 °F (2.1 °C) and 43.7 °F (6.5 °C). About a quarter of the time, the low temperature is less than 35.8 °F (2.1 °C), and another quarter of the time, the low temperature is greater than and 43.7 °F (6.5 °C). About 95% of the time, the low temperature has been between 28.3 °F (-2.1 °C) and 51.2 °F (10.7 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 9.3% 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: