Belle Terre Weather Forecast
- 66
- 80
Mostly Cloudy
- 65
- 80
Partly Sunny
- 67
- 83
Mostly Sunny
- 71
- 85
Slight Chance Thunderstorms
- 74
- 88
Slight Chance Thunderstorms
- 75
- 92
Slight Chance Thunderstorms
Today 27 Jun Northwest Suffolk
Mostly cloudy with a 50 percent chance of Showers. Highs in the lower 80s. South Winds 5 to 10 Mph.
Tonight 27 Jun Northwest Suffolk
Mostly cloudy with a 40 percent chance of Showers. Lows in the mid 60s. Southwest Winds 5 to 10 Mph, becoming northeast after midnight.
Belle Terre Temperature Statistics
June Temperature
Islip, Long Island Mac Arthur Airport (11.2 miles)
Lowest 2 June, 2026
46.7 °FAverage June
71.3 °FHighest 12 June, 2026
94.6 °F
Climate (2021–2026)
Islip, Long Island Mac Arthur Airport (11.2 miles)
Average Low 2021–2026
47.3 °FAverage 2021–2026
55.2 °FAverage High 2021–2026
63 °F