Weather forecast for 10 days
Waltham, MA

Weather forecast for the weekend

Saturday, Jun 21.

Mostly Sunny
5:06 am

8:27 pm
EDT
Mostly Sunny
86°F / 70°F
  • Wind: 8mph W
  • Humidity: 50%
  • Precip. probability: 4%
  • Precipitation: 0.04"
  • UV index: 9
On Saturday, in Waltham, dry and sunny weather is expected throughout the day.
Minimal precipitation is forecasted. The highest temperature will be a tropical 86°F, while the lowest temperature will be a pleasant 69.8°F.
The temperature of 86°F reflects July's climate better than June's.
Sunrise will be at 5:06 am and sunset at 8:27 pm; the daylight will last for 15h and 20min.

Sunday, Jun 22.

AM Showers
5:06 am

8:27 pm
EDT
AM Showers
88°F / 72°F
  • Wind: 10mph WSW
  • Humidity: 62%
  • Precip. probability: 39%
  • Precipitation: 0.04"
  • UV index: 8
On Sunday, in Waltham, scattered morning showers will bring brief periods of rain.
Minimal precipitation is forecasted. The temperature scale will run from a maximum of a tropical 87.8°F to a minimum of a delightful 71.6°F.
On Sunday, it will be hotter with a forecast high that reflects July's climate of 82°F.
Sunrise will be at 5:06 am and sunset at 8:27 pm; the daylight will last for 15h and 20min.

Frequently asked questions

What is the weather forecast for Waltham for Saturday?
On Saturday, mostly sunny skies are expected.
Will it rain on Saturday?
On Saturday, there is a low chance of minimal precipitation in Waltham.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 86°F, while the lowest temperature will be 69.8°F.
What is the weather forecast for Waltham for Sunday?
On Sunday, rain showers will likely move through during the early hours.
Will it rain on Sunday?
On Sunday, there is a low chance of minimal precipitation in Waltham.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 87.8°F, while the minimum temperature will be 71.6°F.
What is the weather forecast for Waltham for the next ten days?
In Waltham, weather will be unstable, and a combination of cloud-filled, clear, damp and lightning-active weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Wednesday, Sunday, next Wednesday and Friday in Waltham. With minimal precipitation of 0.12", Wednesday and next Friday will be the wettest days.
How hot will it be in the next ten days?
The maximum temperature will range between 75.2°F and 100.4°F, as the minimum temperature will be between 62.6°F and 77°F.
Taking the humidity into consideration, the maximum feel-like temperature will vary between 75.2°F and 116.6°F.
What will be the hottest and the coldest days?
The hottest day will be Tuesday, with a maximum of 100.4°F. Next Thursday will be the coldest day, with a maximum temperature of 75.2°F.

Long-term weather forecast

WedJun 18.
  • 77°F
  • 68°F
AM Rain
AM Rain
  • Wind: 9mph SSW
  • Humidity: 86%
  • UV index: 4
  • Precip. probability: 99%
  • Precipitation: 0.12"
  • 5:06 am 8:26 pm EDT
ThuJun 19.
  • 93°F
  • 68°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 16mph SW
  • Humidity: 64%
  • UV index: 9
  • Precip. probability: 13%
  • Precipitation: 0"
  • 5:06 am 8:26 pm EDT
FriJun 20.
  • 84°F
  • 63°F
Sunny
Sunny
  • Wind: 16mph WNW
  • Humidity: 46%
  • UV index: 9
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:06 am 8:26 pm EDT
SatJun 21.
  • 86°F
  • 70°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph W
  • Humidity: 50%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0.04"
  • 5:06 am 8:27 pm EDT
SunJun 22.
  • 88°F
  • 72°F
AM Showers
AM Showers
  • Wind: 10mph WSW
  • Humidity: 62%
  • UV index: 8
  • Precip. probability: 39%
  • Precipitation: 0.04"
  • 5:06 am 8:27 pm EDT
MonJun 23.
  • 95°F
  • 75°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WSW
  • Humidity: 54%
  • UV index: 9
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:07 am 8:27 pm EDT
TueJun 24.
  • 100°F
  • 77°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph W
  • Humidity: 47%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:07 am 8:27 pm EDT
WedJun 25.
  • 90°F
  • 68°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 9mph N
  • Humidity: 52%
  • UV index: 9
  • Precip. probability: 33%
  • Precipitation: 0.08"
  • 5:07 am 8:27 pm EDT
ThuJun 26.
  • 75°F
  • 63°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph E
  • Humidity: 61%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:08 am 8:27 pm EDT
FriJun 27.
  • 77°F
  • 63°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph SE
  • Humidity: 70%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • 5:08 am 8:27 pm EDT
Weather fluctuations are likely over the next ten days, and a mix of cloud-filled, clear, rainy and storm-filled weather is expected.
Rainfall is anticipated on Wednesday, Sunday, next Wednesday and Friday. With minimal precipitation of 0.12", Wednesday and next Friday will be the wettest days.
Temperature variation will be noticeable over the next several days. The maximum temperature will vary between 75.2°F and 100.4°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 62.6°F and 77°F.
Expect the hottest day on Tuesday, with temperatures peaking at 100.4°F; expect the coldest day on next Thursday with a high of 75.2°F.
Combining with the humidity, the maximum feel-like temperature may increase substantially and range between 75.2°F and a dangerously hot 116.6°F.
Updated: Jun 18, 2025 @ 08:08:16 UTC
Published by: Weather U.S. | About Us
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