Washington, D.C.

Washington D.C. Braces for Week of Weather Whiplash: Fog, Heat, and Thunderstorms in the Forecast

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Published on June 28, 2025
Washington D.C. Braces for Week of Weather Whiplash: Fog, Heat, and Thunderstorms in the ForecastSource: Google Street View

The National Weather Service in Washington D.C. has issued a forecast for the coming days, warning of a variety of weather changes that are expected to sweep across the region. According to the official weather forecast, the capital braces for fluctuating conditions that begin with fog and mist in the morning, with a high humidity level of 94% and limited visibility of 2.50 miles as of the last update at 5:52 a.m. EDT.

Revealed today, fog and drizzle are set to clear by mid-morning, paving the way for potential gradual clearing, and the possibility of showers returning after 5 p.m. Despite the calm wind becoming southwest at around 6 mph in the afternoon, heat index values are climbing as high as 100. It's not just the heat on the rise, but also the chance of precipitation—though just 30%—as we head into the evening with the possibility of thunderstorms before 10pm.

For those looking to plan their weekend, the outlook suggests that while Sunday will start mostly sunny with highs again nearing 93 degrees, by afternoon, there's a 30% chance of showers and thunderstorms. The pattern of evening potential thunderstorms persists into Sunday night, with chances of them occurring mainly before 8 p.m.

As for the workweek kickoff, Monday's forecast anticipates the need for umbrellas, with a slight chance of showers before 11 a.m. and a higher probability of showers and possibly a thunderstorm in the forecast after 2 pm. The chance for these showers and thunderstorms to continue into Monday evening is also set, with a 60% likelihood before tapering off after 8 p.m.

The weather service alerts that Tuesday could bring the most significant showers and thunderstorms of the week, with an 80% chance of such conditions mainly after 2 p.m., followed by similar percentages into Tuesday night. However, there is a bright side as we look toward midweek, with Wednesday forecast to be sunny and with a high near 89, transitioning to a partly cloudy night with a low around 72. The trend of sunny and mostly sunny skies will continue through to Independence Day, with high temperatures hovering around 90 degrees.