Weather in Saint Johns County, United States
Weather Advisories
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Today's weather summary
The weather in Saint Johns County on Monday, April 29th, will vary throughout the day from cloudy condition to clear.
According to our models cloud overcast will appear before dawn and there is a high chance for clear skies around noon.
Weather information for Saint Johns County, on Monday, April 29th:
The maximum temperature of the day will be 83°F around 3 pm. The day will be humid, with average humidity of 64%, ranging from 40% to a maximum value of 82% at about 5 am. The wind will be breezy, and will get up to 12 mph at 6 pm, blowing from the east. The cloud coverage will range from 0% around 8 pm to as high as 100% around 8 am with an average of 47%.
The precipitation probability will change throughout the day between 0% and 5%. The highest chance for precipitation will be around 5 am and the lowest probability around midnight. The dew point will range from 55°F up to a maximum value of 62°F around 11 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1020 hPa. Sunrise will be at 6:47 am, and sunset at 8:00 pm, making it a total of 13 hours and 13 minutes of daylight.
Air quality forecast for Saint Johns County, on Monday, April 29th:
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 40 and 49.
Pollen forecast for Saint Johns County, on Monday, April 29th:
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 very low risk.
The weather in Saint Johns County on Tuesday, April 30th, will be clear throughout the day, together with cloud overcast during the morning.
There is also a chance for few clouds in the early morning at about 7 am.
Weather details for Saint Johns County, on Tuesday, April 30th:
The highest temperature during the day will be 85°F at about 3 pm. The day will have very high relative humidity, with average humidity of 71%, ranging from 38% to a maximum value of 92% at about 7 am. The wind will be breezy, and will get up to 14 mph at 7 pm, blowing from the south-east. The cloud coverage will range from 0% around midnight to as high as 100% around 3 pm with an average of 42%.
There is no probability for any precipitation throughout the day. The dew point will range from 56°F up to a maximum value of 67°F around 11 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 1018 hPa. Sunrise will be at 6:46 am, and sunset at 8:01 pm. The day will have 13 hours and 15 minutes of daylight.
Air quality forecast for Saint Johns County, on Tuesday, April 30th:
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 33 and 59.
Pollen forecast for Saint Johns County, on Tuesday, April 30th:
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 very low risk.
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