Weather in Portsmouth, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Portsmouth on Saturday, July 27th, will be clear throughout the day.
Additionally, there will be cloud overcast before dawn, around 12 am.
Weather information for Portsmouth, on Saturday, July 27th:
The maximum temperature during the day is going to be 79°F at about 5 pm. The day will be extremely humid, with average humidity of 78%, ranging from 59% to a maximum value of 90% at about 3 am. The wind will be breezy, and will get up to 10 mph at 2 pm, blowing from the north-east. The cloud coverage will range from 0% around 2 pm to as high as 100% around 9 am with an average of 42%.
The precipitation probability will change throughout the day between 0% and 5%. The highest chance for precipitation will be around 3 am and the lowest probability around midnight. The dew point will range from 63°F up to a maximum value of 69°F around midnight.
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 1020 hPa. Sunrise will be at 6:14 am, and sunset at 8:09 pm. The day will have 13 hours and 55 minutes of daylight.
Air quality forecast for Portsmouth, on Saturday, July 27th:
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 37 and 56.
Pollen forecast for Portsmouth, on Saturday, July 27th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's very low risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
The weather in Portsmouth on Sunday, July 28th, is going to be cloudy for most of the day, with clear skies before dawn.
There's seems to be also high probability of light fog in the early morning at about 5 am.
Weather information for Portsmouth, on Sunday, July 28th:
The maximum temperature during the day is going to be 85°F at about 3 pm. The day will be extremely humid, with average humidity of 73%, ranging from 43% to a maximum value of 97% at about 1 am. The wind will be light, and will get up to 9 mph at 11 pm, blowing from the south. The cloud coverage will range from 0% around midnight to as high as 100% around 5 pm with an average of 48%.
There is no probability for any precipitation throughout the day. The dew point will range from 60°F up to a maximum value of 69°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 1019 hPa. Sunrise will be at 6:14 am, and sunset at 8:08 pm. The day will have 13 hours and 54 minutes of daylight.
Air quality forecast for Portsmouth, on Sunday, July 28th:
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 45 and 62.
Pollen forecast for Portsmouth, on Sunday, July 28th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's very low risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
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