The highest day temperature in April 2026 was 86°F. The lowest night temperature was 29°F. The average values for day and night temperatures during April were 61.7°F и 46.5°F respectivly.

Most of the days in April are gloomy but you can also expect sunny days.

Precipitation total in April for Rockford is 1.4 in. It makes april one of the most rainy months of the year.

The average wind speed in April is 11.3 mph. It makes April the most windy month of the year for Rockford.

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 Rockford in April is 6.2 hours.