Harrisburg Weather Forecast
- 51
- 59
Rain Showers Likely
- 51
- 73
Partly Sunny
- 56
- 77
Mostly Sunny
- 59
- 79
Chance Rain Showers
- 55
- 72
Rain Showers Likely
- 50
- 68
Chance Rain Showers
Today 20 Aug Lewis
Showers, cooler with Highs Ranging from the upper 50s on the Hilltops to the lower 60s across the lower Elevations. Southeast Winds 10 Mph or less. Chance of rain 80 percent.
Tonight 20 Aug Lewis
Mostly cloudy. A chance of Showers in the evening. Lows around 50. Light Winds. Chance of rain 40 percent.
Harrisburg Temperature Statistics
August Temperature
Fort Drum / Wheeler-Sack U. S. Army Airfield (15.5 miles)
Lowest 1 August, 2025
48.7 °FAverage August
72.9 °FHighest 12 August, 2025
93.7 °F
Climate (2020–Present)
Fort Drum / Wheeler-Sack U. S. Army Airfield (15.5 miles)
Average Low 2020–2025
39.7 °FAverage 2020–2025
48.1 °FAverage High 2020–2025
56.2 °F