Griswold Weather Forecast
- 47
- 65
Increasing Clouds
- 45
- 59
Rain Likely
- 44
- 53
Rain
- 46
- 59
Chance Rain Showers
- 47
- 63
Chance Rain Showers
- 49
- 68
Partly Sunny
Today 20 May Northern New London
Mostly sunny late this Morning, then becoming mostly cloudy. Highs in the mid 60s. North Winds 10 to 15 Mph.
Tonight 20 May Northern New London
Mostly cloudy. A slight chance of Showers in the evening. Lows in the upper 40s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Griswold Temperature Statistics
May Temperature
Westerly, Westerly State Airport (16.8 miles)
Lowest 1 May, 2025
39.7 °FAverage May
59.9 °FHighest 11 May, 2025
75.7 °F
Climate (2020–Present)
Westerly, Westerly State Airport (16.8 miles)
Average Low 2020–2025
44.6 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
60.5 °F