Expect a sweltering, muggy Tuesday in Washington D.C., with occasional pop-up rain showers expected in the afternoon.
Forecast for Washington, D.C. on Tuesday, August 19, 2025
Get ready for a hot and humid day in Washington, D.C. on Tuesday, August 19. The high temperature is expected to reach 90°F, with the heat index soaring to values in the mid to upper 90s. While there's a chance of stray pop-up showers or storms during the day, most of the day will be dry.
Fog and low clouds may greet commuters in the early morning hours, but by late morning, the sunshine is expected to return and continue into the afternoon hours. The sun will set at 8:07 p.m., setting the stage for the Perseid Meteor Shower.
Under partly cloudy skies, the Perseid Meteor Shower will be visible through midnight, offering a good viewing opportunity. This year's display is expected to be particularly impressive, so make sure to look up and enjoy the show.
As for Wednesday, higher rain and storm chances are expected, with scattered thunderstorms in the afternoon and evening. An approaching front may trigger these storms, but the sunshine is expected to return by late morning.
This forecast reflects conditions for the Washington, D.C. area as reported on August 12. There are no indications of severe weather for Tuesday evening that would disrupt meteor shower viewing. Wind conditions are not noted as severe for this date.
It's worth noting that this month has featured below-average temperatures up to this point, so the 90-degree high temperature will mark a significant change. However, the heat index will remain in the mid to upper 90s, making it feel even hotter.
There's no mention of fog or low clouds on Wednesday morning, and there's no mention of sunshine on Wednesday afternoons or early evenings. Stay tuned for further updates on the weather in the Washington, D.C. area.
Weather-forecasting predicts a hot day in Washington, D.C. on Tuesday, August 19, with a high temperature of 90°F and heat index in mid to upper 90s, but there's a possibility of sporadic showers or storms. On the other hand, Wednesday's weather-forecasting shows increased rain and storm chances, particularly during the afternoon and evening.
