Riverhead Weather Forecast
- 16
- 32
Mostly Sunny
- 39
- 45
Partly Sunny
- 44
- 54
Rain
- 29
- 52
Slight Chance Rain Showers
- 33
- 44
Partly Sunny
- 28
- 48
Chance Rain/Snow
Today 3 Mar Northeast Suffolk
Sunny, cold with Highs in the lower 30s. Northwest Winds 10 to 15 Mph.
Tonight 3 Mar Northeast Suffolk
Partly cloudy. Lows around 20. Southwest Winds 5 to 10 Mph.
Riverhead Temperature Statistics
March Temperature
The Gabreski Airport (5 miles)
Lowest 1 March, 2025
28 °FAverage March
42.8 °FHighest 1 March, 2025
50 °F
Climate (2020–Present)
The Gabreski Airport (5 miles)
Average Low 2020–2025
44.2 °FAverage 2020–2025
53.6 °FAverage High 2020–2025
61.9 °F