Castle Island Weather Forecast
- 34
- 46
Rain
- 17
- 43
Snow Likely
- 9
- 25
Mostly Sunny
- 6
- 20
Slight Chance Snow Showers
- 8
- 19
Slight Chance Snow Showers
- 20
- 28
Partly Sunny
Today 18 Jan Newport
Cloudy. Rain Showers in the afternoon. Patchy fog in the afternoon. Highs in the mid 40s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.
Tonight 18 Jan Newport
Mostly cloudy. Rain Showers likely in the evening. Patchy fog in the evening. Lows in the mid 30s. South Winds 10 to 15 Mph, becoming west 5 to 10 Mph after midnight. Chance of rain 70 percent.
Castle Island Temperature Statistics
January Temperature
N. Kingston / Quonset (7.5 miles)
Lowest 7 January, 2025
17.6 °FAverage January
30.1 °FHighest 1 January, 2025
51.8 °F
Climate (2020–Present)
N. Kingston / Quonset (7.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
51.2 °FAverage 2020–2025
56.8 °FAverage High 2020–2025
61.2 °F