Rock Island Weather Forecast
- 45
- 50
Increasing Clouds
- 42
- 56
Rain Showers Likely
- 44
- 52
Partly Sunny
- 43
- 55
Mostly Sunny
- 48
- 54
Mostly Cloudy
- 40
- 55
Chance Rain Showers
Today 19 Apr Southern New London
Mostly cloudy. Highs in the mid 50s. Northeast Winds 5 to 10 Mph, becoming southeast with Gusts up to 20 Mph this afternoon.
Tonight 19 Apr Southern New London
Mostly cloudy. A slight chance of Showers in the Evening, then Showers likely after midnight. Patchy fog after midnight. Lows in the mid 40s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.
Rock Island Temperature Statistics
April Temperature
Groton / New London, Groton / New London Airport (5.6 miles)
Lowest 8 April, 2024
31.7 °FAverage April
48.7 °FHighest 16 April, 2024
66.9 °F
Climate (2019–Present)
Groton / New London, Groton / New London Airport (5.6 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
45.8 °FAverage 2019–2024
53.5 °FAverage High 2019–2024
60.9 °F