North Waltham Weather Forecast
- 65
- 80
Chance Rain Showers
- 52
- 77
Mostly Sunny
- 53
- 65
Chance Rain Showers
- 53
- 64
Rain Showers Likely
- 53
- 64
Chance Rain Showers
- 52
- 64
Slight Chance Rain Showers
Today 17 Sep Southeast Middlesex
Partly sunny in the Morning, then mostly cloudy with a slight chance of Showers in the afternoon. Humid with Highs around 80. Southeast Winds around 5 Mph. Chance of rain 20 percent.
Tonight 17 Sep Southeast Middlesex
Mostly cloudy with a 50 percent chance of Showers. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph, becoming west after midnight.
North Waltham Temperature Statistics
September Temperature
Laurence G Hanscom Field Airport (5.6 miles)
Lowest 12 September, 2026
44.1 °FAverage September
66 °FHighest 4 September, 2026
84 °F
Climate (2021–2026)
Laurence G Hanscom Field Airport (5.6 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
51.6 °FAverage High 2021–2026
61.7 °F