North Waltham Weather Forecast
- 62
- 86
Rain Showers Likely
- 62
- 79
Chance Rain Showers
- 63
- 74
Rain Showers
- 63
- 81
Chance Rain Showers
- 59
- 82
Mostly Sunny
- 59
- 81
Mostly Sunny
Today 20 Aug Southeast Middlesex
Mostly sunny. Highs in the mid 80s. Northwest Winds around 5 Mph, becoming southwest around 5 Mph.
Tonight 20 Aug Southeast Middlesex
Mostly cloudy. Showers Likely, mainly in the evening. Lows in the lower 60s. North Winds around 5 Mph. Chance of rain 60 percent.
North Waltham Temperature Statistics
August Temperature
Laurence G Hanscom Field Airport (5.6 miles)
Lowest 16 August, 2026
50 °FAverage August
74.2 °FHighest 7 August, 2026
91 °F
Climate (2021–2026)
Laurence G Hanscom Field Airport (5.6 miles)
Average Low 2021–2026
41.2 °FAverage 2021–2026
51.7 °FAverage High 2021–2026
61.7 °F