Weather in Saint John, United States
Weather Advisories
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Today's weather summary
The weather in Saint John on Monday, December 23rd, is going to be cloudy for most of the day.
Additionally, there will be light snow during the evening, around 8 pm.
Weather information for Saint John, on Monday, December 23rd:
The maximum temperature during the day is going to be 18°F at about 3 pm. The day will have high relative humidity, with average humidity of 67%, ranging from 54% to a maximum value of 80% at about 11 pm. The wind will be light, and will get up to 6 mph at 2 am, blowing from the south-west. The cloud coverage will range from 70% around 5 am to as high as 100% around 11 pm with an average of 98%.
The chances of precipitation throughout the day will change between 0% and 100%. The highest chance for precipitation will be around 11 pm and the lowest probability around midnight. The dew point will range from -2°F up to a maximum value of 10°F around 11 pm.
The visibility is expected to be good with average visibility of 8 mi throughout the day. Atmospheric pressure will be very high with average pressure of 1034 hPa. Sunrise will be at 7:16 am, and sunset at 4:31 pm. The day will have 9 hours and 15 minutes of daylight.
Air quality forecast for Saint John, on Monday, December 23rd:
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 62.
Pollen forecast for Saint John, on Monday, December 23rd:
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 Saint John on Tuesday, December 24th, will change throughout the day from lightly snowing condition to clear.
Looks like light snow will emerge before dawn and a high probability for clear skies in the afternoon.
Weather details for Saint John, on Tuesday, December 24th:
The highest temperature during the day will be 21°F around 5 am. The day will have very high relative humidity, with average humidity of 85%, ranging from 78% to a maximum value of 92% at about 7 am. The wind will be light, and will get up to 8 mph at 10 am, blowing from the north-east. The cloud coverage will range from 0% around 5 pm to as high as 100% around noon with an average of 61%.
The precipitation probability will change throughout the day between 0% and 100%. The highest chance for precipitation will be around 1 am and the lowest probability around 7 am. The dew point will range from 5°F up to a maximum value of 19°F around 5 am.
The visibility is expected to be good with average visibility of 6 mi throughout the day. Atmospheric pressure will be very high with average pressure of 1028 hPa. Sunrise will be at 7:17 am, and sunset at 4:32 pm, making it a total of 9 hours and 15 minutes of daylight.
Air quality forecast for Saint John, on Tuesday, December 24th:
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 54 and 71.
Pollen forecast for Saint John, on Tuesday, December 24th:
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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