Watertown Weather Forecast

    • 66
    • 81

    Chance Rain Showers

    • 67
    • 75

    Rain Showers Likely

    • 64
    • 81

    Partly Sunny

    • 67
    • 86

    Chance Rain Showers

    • 60
    • 83

    Chance Rain Showers

    • 60
    • 80

    Slight Chance Rain Showers

Today 16 Aug Southeast Middlesex

Mostly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph.

Tonight 16 Aug Southeast Middlesex

Mostly cloudy. A chance of Showers after midnight. Not as cool with Lows in the upper 60s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Watertown Temperature Statistics

August Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 14 August, 2026

    59 °F

  • Average August

    75.5 °F

  • Highest 7 August, 2026

    91 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
Get WillyWeather+ to remove ads