North Waltham Weather Forecast
- 61
- 77
Rain Showers Likely
- 60
- 80
Mostly Sunny
- 60
- 80
Mostly Sunny
- 62
- 83
Partly Sunny
- 65
- 84
Chance Rain
Today 23 Aug Southeast Middlesex
Showers with isolated Thunderstorms. Patchy fog this morning. Highs in the upper 70s. East Winds around 5 Mph. Chance of rain 80 percent.
Tonight 23 Aug Southeast Middlesex
Mostly cloudy with a chance of Showers with isolated Thunderstorms in the Evening, then partly cloudy after midnight. Areas of fog after midnight. Humid with Lows in the lower 60s. Southeast Winds around 5 Mph, becoming southwest around 5 Mph after midnight. Chance of rain 40 percent.
North Waltham Temperature Statistics
August Temperature
Laurence G Hanscom Field Airport (5.6 miles)
Lowest 16 August, 2026
50 °FAverage August
73.8 °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