Castle Island Weather Forecast
- 8
- 16
Increasing Clouds
- 22
- 31
Snow
- 11
- 33
Snow
- 10
- 21
Partly Sunny
- 8
- 23
Partly Sunny
- 7
- 22
Mostly Cloudy
Today 24 Jan Newport
Sunny. Much Colder with Highs around 16. Northwest Winds 15 to 20 Mph. Gusts up to 30 Mph this morning.
Tonight 24 Jan Newport
Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 10 above. North Winds 5 to 10 Mph.
Castle Island Temperature Statistics
January Temperature
N. Kingston / Quonset (7.5 miles)
Lowest 21 January, 2026
12.2 °FAverage January
33 °FHighest 9 January, 2026
50 °F
Climate (2021–Present)
N. Kingston / Quonset (7.5 miles)
Average Low 2021–2026
50.5 °FAverage 2021–2026
56.1 °FAverage High 2021–2026
61.1 °F