Weather in Waltham, MA
Updated 2026-08-11 13:45 local time · ZIP codes 02451, 02452, 02453
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
85°1% rain
94°1% rain93°0% rain91°0% rain89°0% rain84°1% rain
80°1% rain77°1% rain75°2% rain73°3% rain71°4% rain68°4% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 4%).
It feels like 84°F with winds near 10 mph.
80°F, 1% rain chance and 5 mph wind.
Visibility is around 10 mi; gusts may reach 12 mph.
Current temperature is 85°F, wind 10 mph, rain chance up to 4%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
Waltham weather today
Partly cloudy and 85°F in Waltham, MA. Today's high is 94°F with a 3% rain chance. Winds are around 10 mph with gusts near 12 mph. Relative humidity is 45%, pressure is 29.77 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Waltham
Sunrise is at 05:48 AM and sunset is at 07:52 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 87°F and a low near 66°F. The maximum rain chance is 3%.