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    Cloudy skies · Texas

    How cloudy is San Antonio?

    In a typical year, the sky over San Antonio is mostly cloudy or overcast about 47% of the time, and clear or nearly clear about 40%.

    March is the cloudiest month, mostly cloudy about 57% of the time, and August the least cloudy, at about 32%. Across winter, December to February, it’s mostly cloudy about 53% of the time. That makes it the 41st cloudiest sky of the 116 US cities we track.

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    The forecast for the next 48 hours has the sky mostly cloudy about 75% of the time.

    San Antonio’s cloudiest month is March, at about 57% mostly cloudy, so spring here comes with a big grey lid on it.

    Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.

    The sky at a glance

    Mostly cloudy or overcast, all year47%
    Clear or nearly clear, all year40%
    Mostly cloudy, December to February53%
    Cloudiest monthMarch, 57%
    Least cloudy monthAugust, 32%

    Shares of hours across a typical year. Mostly cloudy means at least five eighths of the sky covered; clear or nearly clear means two eighths or less.

    Cities with about the same sky

    Every city’s sky, cloudiest first

    More about the weather here

    Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00012921. Airport sensors see cloud up to about 12,000 feet, so thin high cloud isn’t counted.