| NWS Forecast for: Waltham MA Issued by: National Weather Service Norton, MA Last Update: 6:28 am EDT Jul 14, 2025 | |
| Today: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 85. South wind 3 to 7 mph. Chance of precipitation is 30%. Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 88. Heat index values as high as 95. Southwest wind 3 to 6 mph. Chance of precipitation is 20%. Tuesday Night: Mostly clear, with a low around 71. Southwest wind 3 to 5 mph. Wednesday: Mostly sunny and hot, with a high near 91. Southwest wind 3 to 6 mph. Wednesday Night: Mostly cloudy, with a low around 74. Southwest wind around 6 mph. Thursday: A chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 90. Southwest wind 6 to 8 mph. Chance of precipitation is 30%. Thursday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 74. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. Friday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind around 7 mph. Chance of precipitation is 30%. Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 69. Northwest wind 3 to 5 mph. Chance of precipitation is 30%. Saturday: Mostly sunny, with a high near 82. North wind 5 to 7 mph becoming east in the afternoon. Saturday Night: Partly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Sunday: Partly sunny, with a high near 83. South wind 3 to 7 mph. | |
| Waltham MA 42.38°N 71.24°W (Elev. 98 ft) | |
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