Weather in Grignon, France
Weather Advisories
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Today's weather summary
The weather in Grignon on Saturday, July 25th, will vary throughout the day from weather to clear, mixed with light rain.
According to our models moderate rain will appear during the evening and a high probability for clear skies before dawn.
Weather details for Grignon, on Saturday, July 25th:
The highest temperature during the day will be 26°C at about 3 pm. The day will have comfortable humidity, with average humidity of 57%, ranging from 38% to a maximum value of 96% at about 10 pm. The wind will be light, and will get up to 9 km/h at 5 pm, blowing from the west. The cloud coverage will range from 0% around 4 am to as high as 99% around 11 pm with an average of 53%.
The precipitation probability will change throughout the day between 0% and 40%. The highest chance for precipitation will be around 10 pm and the lowest probability around midnight. The dew point will range from 5°C up to a maximum value of 15°C around 7 pm.
The visibility is expected to be good with average visibility of 13 km throughout the day. Atmospheric pressure will be normal with average pressure of 1012 hPa. Sunrise will be at 6:09 am, and sunset at 9:12 pm. The day will have 15 hours and 3 minutes of daylight.
Air quality forecast for Grignon, 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 35 and 60.
Pollen forecast for Grignon, 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 no risk.
The weather in Grignon on Sunday, July 26th, will vary throughout the day from condition to clear, with light rain.
Looks like moderate rain will appear before dawn and a high probability for clear skies during the evening.
Weather information for Grignon, on Sunday, July 26th:
The maximum temperature of the day is going to be 20°C at about 5 pm. The day will have very high relative humidity, with average humidity of 90%, ranging from 66% to a maximum value of 98% at about noon. The wind will be calm, and will get up to 6 km/h at 3 pm, blowing from the west. The cloud coverage will range from 5% around 9 pm to as high as 100% around 11 am with an average of 73%.
The precipitation probability will change throughout the day between 0% and 40%. The highest chance for precipitation will be around 6 am and the lowest probability around 8 pm. The dew point will range from 13°C up to a maximum value of 15°C around 1 pm.
The visibility is expected to be fair with average visibility of 8 km throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 6:10 am, and sunset at 9:11 pm, making it a total of 15 hours and 1 minutes of daylight.
Air quality forecast for Grignon, on Sunday, July 26th:
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 46 and 59.
Pollen forecast for Grignon, on Sunday, July 26th:
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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