Weather in Merrimack, United States
Weather Advisories
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Today's weather summary
The weather in Merrimack on Sunday, May 25th, is going to be cloudy throughout the day, with some clouds before dawn.
There is also a chance for few clouds before dawn at about 4 am.
Weather details for Merrimack, on Sunday, May 25th:
The highest temperature of the day will be 56°F at about 3 pm. The day will have very high relative humidity, with average humidity of 76%, ranging from 67% to a maximum value of 86% at about 5 am. The wind will be breezy, and will get up to 10 mph at 3 pm, blowing from the west. The cloud coverage will range from 5% around 9 pm to as high as 100% around 11 pm with an average of 72%.
There is no probability for any precipitation throughout the day. The dew point will range from 43°F up to a maximum value of 47°F around 8 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1017 hPa. Sunrise will be at 5:27 am, and sunset at 7:57 pm. The day will have 14 hours and 30 minutes of daylight.
Air quality forecast for Merrimack, on Sunday, May 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 20 and 53.
Pollen forecast for Merrimack, on Sunday, May 25th:
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 Monday, May 26th, is going to be mostly clear for most of the day, with clear skies in the early morning.
There is also a chance for cloud overcast before dawn at about 12 am.
Weather details for Merrimack, on Monday, May 26th:
The maximum temperature during the day is going to be 64°F around 5 pm. The day will have very high relative humidity, with average humidity of 71%, ranging from 50% to a maximum value of 86% at about 11 pm. The wind will be light, and will get up to 9 mph at 1 pm, blowing from the north. The cloud coverage will range from 0% around 7 am to as high as 100% around 1 am with an average of 28%.
The precipitation probability will change throughout the day between 0% and 5%. The highest chance for precipitation will be around 2 pm and the lowest probability around midnight. The dew point will range from 41°F up to a maximum value of 51°F around 7 pm.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be high with average pressure of 1021 hPa. Sunrise will be at 5:26 am, and sunset at 7:58 pm. The day will have 14 hours and 32 minutes of daylight.
Air quality forecast for Merrimack, on Monday, May 26th:
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 30 and 78.
Pollen forecast for Merrimack, on Monday, May 26th:
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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