The highest day temperature in March 2025 was 84°F. The lowest night temperature was 16°F. The average values for day and night temperatures during March were 51.3°F и 34.6°F respectivly.

You can expect various weather conditions during March. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in March for Allentown is 1.3 in. It makes march one of the most rainy months of the year.

The average wind speed in March is 8.5 mph. It makes March the most windy month of the year for Allentown.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Allentown in March is 6.2 hours.