Hempstead Harbor Weather Forecast
- 71
- 79
Rain Showers Likely
- 68
- 81
Partly Sunny
- 64
- 78
Mostly Sunny
- 69
- 83
Partly Sunny
- 70
- 86
Partly Sunny
- 70
- 85
Chance Rain Showers
Today 27 Aug Northern Nassau
Partly sunny with a slight chance of Showers in the Morning, then mostly cloudy with Showers likely with a chance of Thunderstorms in the afternoon. Humid with Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.
Tonight 27 Aug Northern Nassau
Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming southwest around 5 Mph after midnight. Chance of rain 50 percent.
Hempstead Harbor Temperature Statistics
August Temperature
New York, La Guardia Airport (11.8 miles)
Lowest 21 August, 2026
64.7 °FAverage August
79.6 °FHighest 7 August, 2026
94.6 °F
Climate (2021–2026)
New York, La Guardia Airport (11.8 miles)
Average Low 2021–2026
51.3 °FAverage 2021–2026
57.6 °FAverage High 2021–2026
64.6 °F