New Haven Weather Forecast
- 29
- 45
Increasing Clouds
- 44
- 56
Mostly Cloudy
- 43
- 63
Partly Sunny
- 56
- 71
Mostly Cloudy
- 51
- 75
Partly Sunny
- 42
- 67
Mostly Cloudy
Today 21 Dec Franklin
Mostly sunny. Cooler with Highs in the mid 40s. East Winds 5 to 10 Mph.
Tonight 21 Dec Franklin
Partly cloudy. Lows in the upper 20s. Northeast Winds around 5 Mph.
New Haven Temperature Statistics
December Temperature
Washington Regional Airport (11.8 miles)
Lowest 14 December, 2025
8.6 °FAverage December
33.4 °FHighest 9 December, 2025
59 °F
Climate (2020–Present)
Washington Regional Airport (11.8 miles)
Average Low 2020–2025
47.5 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
69 °F