The Brief Sunny skies and a high near 90 are expected Friday. Humidity rises Saturday with upper 80s to low 90s. Sunny skies and a high near 90 degrees are expected Friday before temperatures climb into the upper 80s and low 90s through the weekend. Saturday will be warm despite periods of clouds, with highs reaching the upper 80s to low 90s and humidity continuing to build. Image 1 of 5 ▼ DC weather: Sunny Friday, warm weekend with slight storm chances