7-Day Forecast Summary
7-Day Detailed Weather Forecast for Waltham
Overnight |
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Temperature: 67°F Wind Speed: 8 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 67. Northwest wind around 8 mph. |
Saturday |
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Temperature: 90°F Wind Speed: 8 mph Wind Direction: NW Forecast: Sunny, with a high near 90. Northwest wind around 8 mph. |
Saturday Night |
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Temperature: 65°F Wind Speed: 2 to 7 mph Wind Direction: W Forecast: Mostly clear, with a low around 65. West wind 2 to 7 mph. |
Sunday |
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Temperature: 92°F Wind Speed: 2 to 14 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 92. Southwest wind 2 to 14 mph, with gusts as high as 26 mph. |
Sunday Night |
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Temperature: 63°F Wind Speed: 7 to 14 mph Wind Direction: SW Forecast: Showers and thunderstorms after 8pm. Mostly cloudy, with a low around 63. Southwest wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. |
Monday |
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Temperature: 82°F Wind Speed: 7 to 10 mph Wind Direction: W Forecast: A chance of rain showers. Mostly sunny, with a high near 82. West wind 7 to 10 mph. Chance of precipitation is 50%. |
Monday Night |
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Temperature: 58°F Wind Speed: 3 to 10 mph Wind Direction: W Forecast: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 58. West wind 3 to 10 mph. |
Tuesday |
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Temperature: 81°F Wind Speed: 3 to 8 mph Wind Direction: W Forecast: Mostly sunny, with a high near 81. West wind 3 to 8 mph. |
Tuesday Night |
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Temperature: 59°F Wind Speed: 2 to 7 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 59. Southwest wind 2 to 7 mph. |
Wednesday |
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Temperature: 82°F Wind Speed: 1 to 10 mph Wind Direction: SW Forecast: A slight chance of rain showers after 5pm. Mostly sunny, with a high near 82. Southwest wind 1 to 10 mph. |
Wednesday Night |
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Temperature: 61°F Wind Speed: 3 to 9 mph Wind Direction: S Forecast: A slight chance of rain showers before 2am. Partly cloudy, with a low around 61. South wind 3 to 9 mph. |
Thursday |
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Temperature: 85°F Wind Speed: 3 to 14 mph Wind Direction: S Forecast: A slight chance of rain showers between 11am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind 3 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. |
Thursday Night |
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Temperature: 65°F Wind Speed: 9 to 14 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. |
Juneteenth |
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Temperature: 86°F Wind Speed: 10 to 14 mph Wind Direction: W Forecast: A slight chance of rain showers after 2pm. Mostly sunny, with a high near 86. West wind 10 to 14 mph, with gusts as high as 28 mph. |

