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Waltham, MA 02452 Weather

Today: Sunny, high 68°F, low 43°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).

Waltham, MA 02452 current weather

43°F

Mostly Clear

Forecast for this hour. No recent report from a nearby station.

H 68° / L 43°

No recent station report. NWS hourly forecast updated 10/28/2026, 9:45 PM PT

Hourly forecast

NWS, updated 10/28/2026, 9:45 PM PT

  1. Now43°
  2. 2 AM43°
  3. 3 AM43°
  4. 4 AM43°
  5. 5 AM43°
  6. 6 AM43°
  7. 7 AM44°
  8. 8 AM45°
  9. 9 AM49°
  10. 10 AM55°
  11. 11 AM60°
  12. 12 PM63°
  13. 1 PM66°
  14. 2 PM68°
  15. 3 PM68°
  16. 4 PM68°
  17. 5 PM67°
  18. 6 PM64°
  19. 7 PM62°
  20. 8 PM59°
  21. 9 PM56°
  22. 10 PM56°
  23. 11 PM55°
  24. 12 AM55°Fri
  25. 1 AM55°
  26. 2 AM56°
  27. 3 AM55°
  28. 4 AM55°
  29. 5 AM54°
  30. 6 AM55°
  31. 7 AM55°
  32. 8 AM55°
  33. 9 AM58°
  34. 10 AM62°
  35. 11 AM65°
  36. 12 PM66°
  37. 1 PM67°
  38. 2 PM67°
  39. 3 PM67°
  40. 4 PM66°
  41. 5 PM63°
  42. 6 PM61°
  43. 7 PM56°
  44. 8 PM52°
  45. 9 PM51°
  46. 10 PM50°
  47. 11 PM48°
  48. 12 AM47°Sat

10-day forecast

Tap a day for details

  • Today10/29Low 43°High 68°

    Thursday: Sunny, with a high near 68. Southwest wind 6 to 12 mph, with gusts as high as 22 mph.

    Overnight: Mostly clear, with a low around 43. Southwest wind around 6 mph.

    Sunny
  • Fri10/30Low 40°High 68°

    Friday: Sunny, with a high near 68. West wind 7 to 12 mph, with gusts as high as 28 mph.

    Friday Night: Mostly clear, with a low around 40. Northwest wind 7 to 10 mph, with gusts as high as 24 mph.

    Sunny
  • Sat10/31Low 31°High 55°

    Saturday: Sunny, with a high near 55. Northwest wind 3 to 9 mph.

    Saturday Night: Mostly clear, with a low around 31. Northwest wind around 3 mph.

    Sunny
  • Sun11/1Low 40°High 60°

    Sunday: Sunny, with a high near 60. West wind around 6 mph.

    Sunday Night: Partly cloudy, with a low around 40. Southwest wind around 5 mph.

    Sunny
  • Mon11/2Low 44°High 66°

    Monday: Mostly sunny, with a high near 66. Southwest wind 5 to 8 mph.

    Monday Night: Partly cloudy, with a low around 44. West wind around 5 mph.

    Mostly Sunny
  • Tue11/318% chance of precipitationLow 45°High 63°

    Tuesday: Partly sunny, with a high near 63. Northeast wind 5 to 8 mph.

    Tuesday Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 45. Southeast wind around 7 mph.

    Partly Sunny
  • Wed11/418% chance of precipitationLow High 64°

    Wednesday: A slight chance of rain showers. Partly sunny, with a high near 64. South wind around 8 mph.

    Slight Chance Rain Showers
  • Thu11/5Model blend46% chance of precipitationLow 46°High 64°

    Thursday: Chance of rain. High near 64°. Low that night near 46°. About 0.12 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend46% chance of precipitationLow 40°High 63°

    Friday: Chance of rain. High near 63°. Low that night near 40°. About 0.36 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend26% chance of precipitationLow 34°High 60°

    Saturday: Partly cloudy, slight chance of rain. High near 60°. Low that night near 34°. About 0.11 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 42.394, -71.218 from the NWS BOX office, updated 10/28/2026, 9:45 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KBED (Bedford/Hanscom Fld, 6 mi), model run 10/28/2026, 10:00 PM EDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now43°Mostly Clear1%5 mph
  2. 2 AM43°Clear0%5 mph
  3. 3 AM43°Clear1%5 mph
  4. 4 AM43°Clear0%6 mph
  5. 5 AM43°Mostly Clear1%6 mph
  6. 6 AM43°Sunny1%6 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Waltham, MA 02452?
The National Weather Service forecast for thursday calls for a high near 68°F. Sunny.
Will it rain in Waltham, MA 02452 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Waltham, MA 02452?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 60°F to 64°F and up to a 46% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Waltham, MA 02452 today?
Sunrise is about 7:14 AM EDT and sunset is about 5:42 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Waltham, MA 02452?
At Bedford Hanscom Fld, the 1991 to 2020 normal high in October is 64°F and the normal low is 41°F.

Nearby hazards

Massachusetts hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: Bellevue Pond Fire (1 acre), FD060043 Fire (0 acres), FD060044 Fire (0 acres), FD140033 Fire (0 acres)

UV and air quality forecast

EPA and AirNow

AQI forecast today (Boston Metro)
50GoodPM2.5
AQI forecast tomorrow (Boston Metro)
50GoodPM2.5

UV index guide · Air quality

Drought

By county

Middlesex County, week of 10/20/2026

55% of the county is abnormally dry. No drought.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
7:14 AM
Sunset
5:42 PM
Daylight
10 hr 27 min
Moon
Waning Gibbous 90% lit
First light (civil dawn)
6:45 AM
Last light (civil dusk)
6:11 PM
Moonrise
7:59 PM
Moonset
11:31 AM

Normal October weather

Climate

Normal October high 64°, low 41°, precipitation 4.24 in for the month. 1991 to 2020 normals at Bedford Hanscom Fld, 6 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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