April 21 - custom location - Weather History and Averages

High Temperatures

On April 21 in this location the average high temperature is 57.9 °F (14.4 °C). The lowest recored high temperature was 39.9 °F (4.4 °C) in 2002 and the highest recored high temperature was 87.1 °F (30.6 °C) in 1988. The high temperature is usually* between 51.0 °F (10.6 °C) and 64.7 °F (18.2 °C). About a quarter of the time, the high temperature is less than 51.0 °F (10.6 °C), and another quarter of the time, the high temperature is greater than and 64.7 °F (18.2 °C). About 95% of the time, the high temperature has been between 37.9 °F (3.3 °C) and 77.8 °F (25.4 °C).

Low Temperatures

On April 21 in this location the average low temperature is 41.2 °F (5.1 °C). The lowest recored low temperature was 26.6 °F (-3.0 °C) in 2013 and the lowest recored low temperature was 66.9 °F (19.4 °C) in 1992. The low temperature is usually* between 36.0 °F (2.2 °C) and 46.4 °F (8.0 °C). About a quarter of the time, the low temperature is less than 36.0 °F (2.2 °C), and another quarter of the time, the low temperature is greater than and 46.4 °F (8.0 °C). About 95% of the time, the low temperature has been between 26.1 °F (-3.3 °C) and 56.3 °F (13.5 °C).

Frost

On April 21 in this location expect the temperatures to drop below freezing for a risk of frost about 11.6% 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: