Weather in Portsmouth, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Portsmouth on Saturday, December 14th, will be cloudy throughout the day.
Also, there's a high chance of clear skies during the morning, around 8 am.
Weather information for Portsmouth, on Saturday, December 14th:
The maximum temperature of the day is going to be 38°F around 3 pm. The day will have high relative humidity, with average humidity of 62%, ranging from 46% to a maximum value of 76% at about 11 pm. The wind will be breezy, and will get up to 11 mph at 8 pm, blowing from the east. The cloud coverage will range from 0% around 9 am to as high as 100% around 10 pm with an average of 73%.
There is no probability for any precipitation throughout the day. The dew point will range from 18°F up to a maximum value of 28°F around 11 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be extremely high with average pressure of 1045 hPa. Sunrise will be at 7:04 am, and sunset at 4:58 pm, making it a total of 9 hours and 54 minutes of daylight.
Air quality forecast for Portsmouth, on Saturday, December 14th:
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 27 and 40.
Pollen forecast for Portsmouth, on Saturday, December 14th:
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 Portsmouth on Sunday, December 15th, will be cloudy throughout the day, with clear skies before dawn.
There is also a chance for some clouds before dawn around 3 am.
Weather information for Portsmouth, on Sunday, December 15th:
The highest temperature during the day will be 44°F around 3 pm. The day will have very high relative humidity, with average humidity of 79%, ranging from 72% to a maximum value of 85% at about 11 pm. The wind will be breezy, and will get up to 11 mph at midnight, blowing from the east. The cloud coverage will range from 1% around 2 am to as high as 100% around 11 pm with an average of 88%.
The precipitation probability will change throughout the day between 0% and 20%. The highest chance for precipitation will be around 11 pm and the lowest probability around midnight. The dew point will range from 28°F up to a maximum value of 40°F around 11 pm.
The visibility is expected to be good with average visibility of 11 mi throughout the day. Atmospheric pressure will be extremely high with average pressure of 1039 hPa. Sunrise will be at 7:04 am, and sunset at 4:58 pm. The day will have 9 hours and 54 minutes of daylight.
Air quality forecast for Portsmouth, on Sunday, December 15th:
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 26 and 30.
Pollen forecast for Portsmouth, on Sunday, December 15th:
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.