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Rosslyn, Virginia, United States
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Weather in Rosslyn, United States

59°
Clear
Feels like 59°
·
High63°Low39°
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Air quality

Full Details
0
159
500
Air quality:Unhealthy

Pollen index

Full Details
Tree
3/5
012345
Weed
0/5
012345
Grass
0/5
012345

Today's weather summary

The weather in Rosslyn on Tuesday, April 23rd, is going to be clear throughout the day, together with cloud overcast during the evening.

There is also a chance for few clouds during the morning at about 9 am.

Weather details for Rosslyn, on Tuesday, April 23rd:

The highest temperature of the day will be 70°F around 5 pm. The day will be dry, with average humidity of 39%, ranging from 23% to a maximum value of 56% at about 4 am. The wind will be breezy, and will get up to 13 mph at 5 pm, blowing from the south. The cloud coverage will range from 0% around midnight to as high as 100% around 10 pm with an average of 19%.

There is no probability for any precipitation throughout the day. The dew point will range from 26°F up to a maximum value of 36°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 6:21 am, and sunset at 7:50 pm, making it a total of 13 hours and 29 minutes of daylight.

Air quality forecast for Rosslyn, on Tuesday, April 23rd:

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 41 and 59.

Pollen forecast for Rosslyn, on Tuesday, April 23rd:

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 Rosslyn on Wednesday, April 24th, will be cloudy throughout the day, together with clear skies during the morning.

There is also a chance for few clouds around noon around 11 am.

Weather details for Rosslyn, on Wednesday, April 24th:

The maximum temperature of the day will be 70°F around 3 pm. The day will have comfortable humidity, with average humidity of 51%, ranging from 35% to a maximum value of 80% at about 8 am. The wind will be breezy, and will get up to 14 mph at 3 pm, blowing from the north-west. The cloud coverage will range from 0% around 9 pm to as high as 100% around 8 am with an average of 52%.

The chances of precipitation throughout the day will change between 0% and 15%. The highest chance for precipitation will be around 11 am and the lowest probability around midnight. The dew point will range from 36°F up to a maximum value of 50°F around 10 am.

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 1015 hPa. Sunrise will be at 6:20 am, and sunset at 7:51 pm. The day will have 13 hours and 31 minutes of daylight.

Air quality forecast for Rosslyn, on Wednesday, April 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 32 and 46.

Pollen forecast for Rosslyn, on Wednesday, April 24th:

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.

FAQ

How warm does it get in Rosslyn?
The average annual highest temperature in Rosslyn is 33.5°C (92.3°F), and the July 27th is the hottest day on average.
How cold does it get in Rosslyn?
The average annual lowest temperature in Rosslyn is -5.5°C (22.1°F), and the January 31st is the coldest day on average.
Which month has the most rain in Rosslyn?
The wettest months in Rosslyn are July and June.
What months does it snow in Rosslyn?
The most common time of year for snow is February, January, March and December.