Light Rain Early- Wind: 4mph SSW
- Humidity: 99%
- UV index: 0
- Precip. probability: 81%
- Precipitation: 0.04"
- 5:34 am 8:42 pm EDT
Showers- Wind: 6mph SSW
- Humidity: 86%
- UV index: 7
- Precip. probability: 59%
- Precipitation: 0.2"
- 5:34 am 8:42 pm EDT
PM Thunderstorms- Wind: 11mph SW
- Humidity: 72%
- UV index: 8
- Precip. probability: 46%
- Precipitation: 0.16"
- 5:34 am 8:43 pm EDT
Mostly Sunny- Wind: 7mph WNW
- Humidity: 61%
- UV index: 9
- Precip. probability: 7%
- Precipitation: 0"
- 5:34 am 8:43 pm EDT
Partly Cloudy- Wind: 6mph SW
- Humidity: 62%
- UV index: 9
- Precip. probability: 7%
- Precipitation: 0"
- 5:34 am 8:43 pm EDT
Partly Cloudy- Wind: 6mph WSW
- Humidity: 63%
- UV index: 9
- Precip. probability: 15%
- Precipitation: 0"
- 5:35 am 8:43 pm EDT
Sunny- Wind: 5mph WNW
- Humidity: 64%
- UV index: 9
- Precip. probability: 7%
- Precipitation: 0"
- 5:35 am 8:44 pm EDT
Sunny- Wind: 6mph WNW
- Humidity: 60%
- UV index: 9
- Precip. probability: 6%
- Precipitation: 0"
- 5:35 am 8:44 pm EDT
Isolated Thunderstorms- Wind: 5mph NW
- Humidity: 64%
- UV index: 9
- Precip. probability: 36%
- Precipitation: 0.12"
- 5:36 am 8:44 pm EDT
PM Thunderstorms- Wind: 6mph SW
- Humidity: 70%
- UV index: 9
- Precip. probability: 41%
- Precipitation: 0.24"
- 5:36 am 8:44 pm EDT
Mixed conditions are forecasted for the coming ten days, and a mix of unstable, clear, showery and dull weather is forecasted.
Rain is predicted for Tuesday through Thursday, next Wednesday and Thursday.
Expect a substantial fluctuation in daytime highs in the upcoming period. Highs will range from 80.6°F to 95°F, while the nightly low temperatures will show also a considerable swing, as nighttime lows are forecast to fall between 59°F and 73.4°F.
With a maximum temperature of 95°F, Monday and next Tuesday will be the hottest days in Herndon; the coldest day will be Wednesday, with a maximum of 80.6°F.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and range between a tropical 86°F and a dangerously hot 116.6°F.