National Weather Service forecast

Waltham, Massachusetts Weather

51°Overnight: Partly Cloudy
Wind SW 5 mph
7-DayHourlyRadar

Waltham 7-Day Forecast

  1. Overnight
    51°F
    Partly Cloudy
    4% chance of precipitation

    Partly cloudy, with a low around 51. Southwest wind around 5 mph.

  2. Wednesday
    77°F
    Mostly Sunny
    5% chance of precipitation

    Mostly sunny. High near 77, with temperatures falling to around 67 in the afternoon. Southwest wind 5 to 9 mph.

  3. Wednesday Night
    55°F
    Partly Cloudy
    3% chance of precipitation

    Partly cloudy, with a low around 55. Southwest wind around 8 mph.

  4. Thursday
    75°F
    Mostly Cloudy then Slight Chance Light Rain
    15% chance of precipitation

    A slight chance of rain between 4pm and 5pm. Mostly cloudy, with a high near 75. Southwest wind 6 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

  5. Thursday Night
    62°F
    Mostly Cloudy then Chance Light Rain
    54% chance of precipitation

    A chance of rain after 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 8 mph. Chance of precipitation is 50%.

  6. Friday
    70°F
    Rain
    84% chance of precipitation

    Rain likely before 1pm, then rain and a chance of thunderstorms. Mostly cloudy, with a high near 70. South wind around 6 mph. Chance of precipitation is 80%.

  7. Friday Night
    56°F
    Rain
    85% chance of precipitation

    Rain and a chance of thunderstorms. Cloudy, with a low around 56. Southwest wind around 5 mph. Chance of precipitation is 90%.

  8. Saturday
    64°F
    Light Rain Likely
    74% chance of precipitation

    Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 64. Northwest wind around 7 mph. Chance of precipitation is 70%.

  9. Saturday Night
    44°F
    Chance Light Rain
    48% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 44. Northwest wind around 6 mph. Chance of precipitation is 50%.

  10. Sunday
    60°F
    Chance Light Rain then Mostly Sunny
    25% chance of precipitation

    A chance of rain before noon. Mostly sunny, with a high near 60. West wind 5 to 8 mph. Chance of precipitation is 30%.

  11. Sunday Night
    38°F
    Partly Cloudy
    10% chance of precipitation

    Partly cloudy, with a low around 38. West wind around 5 mph.

  12. Monday
    58°F
    Slight Chance Light Rain
    20% chance of precipitation

    A slight chance of rain after 11am. Mostly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 21 mph.

  13. Monday Night
    37°F
    Slight Chance Light Rain
    20% chance of precipitation

    A slight chance of rain before 1am. Partly cloudy, with a low around 37. West wind around 8 mph.

  14. Tuesday
    58°F
    Mostly Sunny
    11% chance of precipitation

    Mostly sunny, with a high near 58. Southwest wind 8 to 12 mph, with gusts as high as 24 mph.

Issued by the National Weather Service (BOX office), updated .

Waltham Hourly Forecast

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About Waltham

Population (2020 Census)
65,218
Coordinates
42.389, -71.242
Elevation
98 ft
NWS forecast office
BOX
Time zone
America/New York
Sunrise today
6:21 AM EST
Sunset today
4:35 PM EST
Daylight today
10 h 13 min

Waltham Weather Questions

What is the weather forecast for Waltham, Massachusetts?

Overnight: Partly cloudy, with a low around 51. Southwest wind around 5 mph. Wednesday: Mostly sunny. High near 77, with temperatures falling to around 67 in the afternoon. Southwest wind 5 to 9 mph.

Will it rain or snow in Waltham this week?

The best chance of precipitation is Friday Night at 85%. Periods with a 30% chance or more: Thursday Night (54%), Friday (84%), Friday Night (85%), Saturday (74%), Saturday Night (48%).

How warm and how cold will it get in Waltham this week?

The warmest day is Wednesday, with a high near 77°F. The coldest night is Monday Night, with a low near 37°F.

What time are sunrise and sunset in Waltham today?

Sunrise is at 6:21 AM EST and sunset is at 4:35 PM EST, for 10 h 13 min of daylight.

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