Weather in Waltham, United States
Weather Advisories
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Today's weather summary
The weather in Waltham on Saturday, July 25th, will be clear all day long.
Weather information for Waltham, on Saturday, July 25th:
The highest temperature during the day is going to be 27°C around 2 pm. The day will have high relative humidity, with average humidity of 60%, ranging from 36% to a maximum value of 84% at about 11 pm. The wind will be breezy, and will get up to 18 km/h at 3 pm, blowing from the east. The sky will be clear of clouds along the day.
There is no probability for any precipitation throughout the day. The dew point will range from 9°C up to a maximum value of 14°C around 11 pm.
The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be high with average pressure of 1020 hPa. Sunrise will be at 5:29 am, and sunset at 8:12 pm. The day will have 14 hours and 43 minutes of daylight.
Air quality forecast for Waltham, on Saturday, July 25th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 31 and 43.
Pollen forecast for Waltham, on Saturday, July 25th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Waltham on Sunday, July 26th, will be clear for most of the day, together with cloud overcast in the early morning.
There's seems to be also high probability of some clouds during the morning at about 9 am.
Weather information for Waltham, on Sunday, July 26th:
The maximum temperature during the day will be 24°C around noon. The day will have high relative humidity, with average humidity of 68%, ranging from 37% to a maximum value of 98% at about 6 am. The wind will be light, and will get up to 15 km/h at 1 pm, blowing from the east. The cloud coverage will range from 0% around noon to as high as 100% around 8 am with an average of 24%.
There is no probability for any precipitation throughout the day. The dew point will range from 7°C up to a maximum value of 15°C around midnight.
The visibility is expected to be good with average visibility of 14 km throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 5:30 am, and sunset at 8:11 pm. The day will have 14 hours and 41 minutes of daylight.
Air quality forecast for Waltham, on Sunday, July 26th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 52 and 63.
Pollen forecast for Waltham, on Sunday, July 26th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
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