Weather in Merrimack, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Merrimack on Saturday, May 3rd, will be cloudy throughout the day, together with clear skies before dawn.
There is also a chance for few clouds before dawn at about 12 am.
Weather details for Merrimack, on Saturday, May 3rd:
The highest temperature during the day is going to be 79°F at about 1 pm. The day will have very high relative humidity, with average humidity of 75%, ranging from 48% to a maximum value of 99% at about 11 pm. The wind will be breezy, and will get up to 11 mph at 2 pm, blowing from the south. The cloud coverage will range from 0% around 8 am to as high as 100% around 11 pm with an average of 60%.
The chances of precipitation throughout the day will change between 0% and 30%. The highest chance for precipitation will be around 5 pm and the lowest probability around midnight. The dew point will range from 53°F up to a maximum value of 62°F around 11 pm.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1012 hPa. Sunrise will be at 5:42 am, and sunset at 7:43 pm, making it a total of 14 hours and 1 minutes of daylight.
Air quality forecast for Merrimack, on Saturday, May 3rd:
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 70.
Pollen forecast for Merrimack, on Saturday, May 3rd:
Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Merrimack on Sunday, May 4th, will be cloudy for most of the day, together with light rain before dawn.
There is also a chance for moderate rain before dawn at about 1 am.
Weather information for Merrimack, on Sunday, May 4th:
The highest temperature during the day will be 62°F around midnight. The day will have very high relative humidity, with average humidity of 94%, ranging from 87% to a maximum value of 99% at about 11 pm. The wind will be light, and will get up to 6 mph at 5 pm, blowing from the north-east. The cloud coverage throughout the day will be around 100%.
The precipitation probability will change throughout the day between 15% and 45%. The highest chance for precipitation will be around 11 pm and the lowest probability around 6 am. The dew point will range from 53°F up to a maximum value of 61°F around midnight.
The visibility is expected to be fair with average visibility of 5 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1016 hPa. Sunrise will be at 5:40 am, and sunset at 7:44 pm, making it a total of 14 hours and 4 minutes of daylight.
Air quality forecast for Merrimack, on Sunday, May 4th:
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 56.
Pollen forecast for Merrimack, on Sunday, May 4th:
Tree pollen on this day is expected to have very high 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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