Three Mile Island Weather Forecast
- 60
- 84
Slight Chance Thunderstorms
- 63
- 87
Mostly Sunny
- 61
- 85
Chance Thunderstorms
- 56
- 79
Slight Chance Thunderstorms
- 55
- 79
Partly Sunny
- 60
- 80
Chance Rain Showers
Today 28 Apr Dauphin
Mostly sunny. Unseasonably warm with Highs in the lower 80s. South Winds around 5 Mph, becoming southwest this afternoon.
Tonight 28 Apr Dauphin
Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Unseasonably mild. Lows in the upper 50s. West Winds 5 to 10 Mph. Chance of rain 20 percent.
Three Mile Island Temperature Statistics
April Temperature
Harrisburg, Harrisburg International Airport (3.7 miles)
Lowest 8 April, 2024
35.7 °FAverage April
54.8 °FHighest 14 April, 2024
80.7 °F
Climate (2019–Present)
Harrisburg, Harrisburg International Airport (3.7 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
47.9 °FAverage 2019–2024
56.1 °FAverage High 2019–2024
65.1 °F