Waltham, Massachusetts | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    45°
    Saturday 5/11
    Forecast night icon
    45°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Patchy fog. Near steady temperature in the mid 40s. East winds around 5 mph becoming southwest around 5 mph.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    61°
    Forecast night icon
    Night
    Mostly Cloudy
    49°
    Sunday 5/12
    Day
    61°
    Mostly Cloudy
    Forecast day icon
    Night
    49°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the upper 50s. Southeast winds 5 to 10 mph.
    Night Details
    Mostly cloudy in the evening then clearing. Patchy fog after midnight. Lows in the mid 40s. South winds around 5 mph becoming southwest after midnight.
  • Forecast day icon
    Monday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    40% Chance Rain Showers
    53°
    Monday 5/13
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 60s. Southwest winds 5 to 10 mph.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s. South winds around 10 mph. Gusts up to 20 mph in the evening.
  • Forecast day icon
    Tuesday
    30% Chance Rain Showers
    77°
    Forecast night icon
    Night
    80% Chance Rain Showers
    61°
    Tuesday 5/14
    Day
    77°
    30% Chance Rain Showers
    Forecast day icon
    Night
    61°
    80% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 30 percent chance of showers. Highs in the lower 70s.
    Night Details
    Showers. Lows in the upper 50s. Highs in the mid 60s. Chance of rain 80 percent.
  • Forecast day icon
    Wednesday
    80% Chance Rain Showers
    66°
    Forecast night icon
    Night
    60% Chance Rain Showers
    57°
    Wednesday 5/15
    Day
    66°
    80% Chance Rain Showers
    Forecast day icon
    Night
    57°
    60% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers. Lows in the upper 50s. Highs in the mid 60s. Chance of rain 80 percent.
    Night Details
    Showers likely. Lows in the mid 50s. Chance of rain 60 percent.
  • Forecast day icon
    Thursday
    Partly Sunny
    66°
    Forecast night icon
    Night
    Partly Cloudy
    57°
    Thursday 5/16
    Day
    66°
    Partly Sunny
    Forecast day icon
    Night
    57°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 60s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Friday
    Partly Sunny
    66°
    Forecast night icon
    Night
    30% Chance Rain Showers
    57°
    Friday 5/17
    Day
    66°
    Partly Sunny
    Forecast day icon
    Night
    57°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 60s.
    Night Details
    Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    65°
    Forecast night icon
    Night
    50% Chance of Rain
    57°
    Saturday 5/18
    Day
    65°
    40% Chance Rain Showers
    Forecast day icon
    Night
    57°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of showers. Highs in the mid 60s.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 57F. Dew point will be around 57F with an average humidity of 92%. Winds will be 2 mph from the E.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    Cloudy
    59°
    Sunday 5/19
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    59°
    Cloudy
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 70F. Dew point will be around 57F with an average humidity of 74%. Winds will be 3 mph from the W.
    Night Details
    Cloudy. Low temperature around 59F. Dew point will be around 55F with an average humidity of 80%. Winds will be 3 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    69°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Monday 5/20
    Day
    69°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 69F. Dew point will be around 54F with an average humidity of 67%. Winds will be 5 mph from the W.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 58F. Dew point will be around 51F with an average humidity of 72%. Winds will be 5 mph from the NW.