Hourly Weather Forecast for Herndon, 20170, Virginia, United States - The Weather Channel | Weather.com

Hourly weather Location Herndon, 20170, Virginia, United States · as of 9:18 pm GMT-4

Tonight's low temperature will be nearly the same as last night's

Friday, 14 August

Time Temperature Condition Rain Drop Humidity Wind Precipitation
21:15 77° Mostly Cloudy Night 3% 81% 4 mph NNW 0 in
21:30 76° Mostly Cloudy Night 3% 82% 4 mph NNW 0 in
21:45 76° Mostly Cloudy Night 7% 83% 4 mph NNW 0 in
22:00 76° Partly Cloudy Night 5% 84% 4 mph NNW 0 in
22:15 76° Partly Cloudy Night 3% 85% 4 mph NNW 0 in
23:00 75° Partly Cloudy Night 3% 88% 4 mph NNW 0 in

Saturday, 15 August

Time Temperature Condition Rain Drop Humidity Wind Precipitation
00:00 74° Partly Cloudy Night 4% 90% 3 mph NNE 0 in
01:00 72° Partly Cloudy Night 4% 97% 3 mph NNE 0 in
02:00 72° Partly Cloudy Night 3% 97% 3 mph NNE 0 in
03:00 71° Partly Cloudy Night 3% 98% 3 mph NNE 0 in
04:00 70° Partly Cloudy Night 5% 99% 4 mph NNW 0 in
05:00 70° Partly Cloudy Night 8% 95% 4 mph NNW 0 in
06:00 70° Partly Cloudy Night 7% 93% 4 mph NNW 0 in
07:00 70° Partly Cloudy Day 7% 94% 4 mph NNW 0 in
08:00 73° Partly Cloudy Day 6% 86% 4 mph NNW 0 in
09:00 75° Partly Cloudy Day 4% 78% 5 mph NNW 0 in
10:00 78° Mostly Clear Day 2% 70% 4 mph NNW 0 in
11:00 81° Mostly Clear Day 1% 63% 4 mph NNW 0 in
12:00 83° Partly Cloudy Day 1% 58% 4 mph NNW 0 in
13:00 84° Partly Cloudy Day 4% 56% 4 mph NNW 0 in
14:00 85° Partly Cloudy Day 3% 55% 4 mph NNW 0 in
15:00 86° Partly Cloudy Day 0% 54% 4 mph NNW 0 in
16:00 86° Mostly Cloudy Day 0% 53% 4 mph NNW 0 in
17:00 85° Partly Cloudy Day 0% 55% 5 mph NNW 0 in
18:00 84° Mostly Cloudy Day 0% 56% 5 mph NNW 0 in
19:00 83° Mostly Cloudy Day 1% 59% 6 mph NNW 0 in
20:00 80° Mostly Cloudy Day 2% 64% 4 mph NNW 0 in
21:00 79° Mostly Cloudy Night 2% 67% 3 mph NNW 0 in
22:00 77° Mostly Cloudy Night 2% 73% 4 mph NNW 0 in
23:00 76° Mostly Cloudy Night 6% 77% 5 mph NNW 0 in

Sunday, 16 August

Time Temperature Condition Rain Drop Humidity Wind Precipitation
00:00 76° Cloudy 9% 80% 4 mph NNW 0 in
01:00 75° Cloudy 9% 83% 4 mph NNW 0 in
02:00 75° Mostly Cloudy Night 12% 84% 5 mph NNE 0 in
03:00 75° Mostly Cloudy Night 9% 88% 5 mph NNE 0 in
04:00 75° Mostly Cloudy Night 12% 88% 5 mph NNE 0 in
05:00 74° Cloudy 11% 89% 6 mph NNE 0 in
06:00 74° Cloudy 22% 90% 6 mph NNE 0 in
07:00 74° Showers 31% 92% 7 mph NNE 0.01 in
08:00 75° Rain 62% 91% 8 mph NE 0.04 in
09:00 75° Showers 60% 89% 9 mph NE 0.02 in
10:00 76° Thunderstorms 76% 88% 9 mph NE 0.04 in
11:00 76° Thunderstorms 66% 89% 10 mph NE 0.04 in
12:00 77° Thunderstorms 62% 89% 10 mph NE 0.05 in
13:00 77° Thunderstorms 89% 93% 11 mph NE 0.12 in
14:00 77° Scattered Thunderstorms 57% 94% 10 mph NE 0.04 in
15:00 79° Scattered Thunderstorms 58% 86% 10 mph NE 0.03 in
16:00 80° Thunderstorms 80% 84% 8 mph E 0.04 in
17:00 80° Thunderstorms 79% 87% 9 mph NNE 0.13 in
18:00 81° Scattered Thunderstorms 53% 84% 9 mph NNE 0.04 in
19:00 80° Scattered Thunderstorms 38% 85% 9 mph NNE 0.01 in
20:00 79° Mostly Cloudy Day 24% 90% 7 mph NNE 0 in
21:00 78° Scattered Thunderstorms Night 33% 90% 6 mph NNE 0.01 in

Air Quality Index

63 - Moderate

Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.