Weather in Johnston, United States
Weather Advisories
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Today's weather summary
The weather in Johnston on Friday, July 24th, will be cloudy throughout the day, with light rain before dawn.
There is also a chance for fog during the morning around 8 am.
Weather information for Johnston, on Friday, July 24th:
The highest temperature during the day will be 30°C around 4 pm. The day will be extremely humid, with average humidity of 82%, ranging from 61% to a maximum value of 97% at about 8 am. The wind will be light, and will get up to 15 km/h at 3 pm, blowing from the north. The cloud coverage will range from 21% around noon to as high as 100% around 11 pm with an average of 89%.
The chances of precipitation throughout the day will change between 0% and 15%. The highest chance for precipitation will be around midnight and the lowest probability around 1 am. The dew point will range from 21°C up to a maximum value of 24°C around 11 pm.
The visibility is expected to be good with average visibility of 13 km throughout the day. Atmospheric pressure will be high with average pressure of 1019 hPa. Sunrise will be at 6:33 am, and sunset at 8:33 pm, making it a total of 14 hours of daylight.
Air quality forecast for Johnston, on Friday, July 24th:
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 12 and 59.
Pollen forecast for Johnston, on Friday, July 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 very low risk.
The weather in Johnston on Saturday, July 25th, is going to be cloudy throughout the day.
Also, there's a high chance of few clouds in the afternoon, around 5 pm.
Weather details for Johnston, on Saturday, July 25th:
The maximum temperature during the day will be 31°C around 5 pm. The day will be extremely humid, with average humidity of 78%, ranging from 57% to a maximum value of 96% at about 6 am. The wind will be breezy, and will get up to 18 km/h at 7 pm, blowing from the west. The cloud coverage will range from 26% around 5 pm to as high as 100% around 11 pm with an average of 96%.
There is no probability for any precipitation throughout the day. The dew point will range from 21°C up to a maximum value of 24°C around midnight.
The visibility is expected to be good with average visibility of 15 km throughout the day. Atmospheric pressure will be normal with average pressure of 1017 hPa. Sunrise will be at 6:34 am, and sunset at 8:33 pm. The day will have 13 hours and 59 minutes of daylight.
Air quality forecast for Johnston, on Saturday, July 25th:
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 40 and 57.
Pollen forecast for Johnston, on Saturday, July 25th:
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 very low risk.
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