Herndon Hourly Forecast
Next 48 Hours
Today
Snow and rain this morning, then rain this afternoon. Total snow accumulation of 1 to 3 inches. Highs in the lower 40s. Southwest winds 10 to 15 mph, becoming west this afternoon. Gusts up to 30 mph. Chance of precipitation near 100 percent.
Tonight
Mostly cloudy with a slight chance of rain and snow in the evening, then partly cloudy after midnight. Lows in the lower 30s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of precipitation 20 percent.
| Fri, Nov 22nd | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
10 AM Overcast  UV Index: 0.1 |
34°F Feels 25°F |
89% | 14.8 W | 29.37 inHg | 32.7°F | 0% |
11 AM Heavy Snow UV Index: 0.2 |
35°F Feels 27°F |
96% | 13.6 W | 29.37 inHg | 32.5°F | 100% Rain est. 0.14in |
12 PM Overcast UV Index: 0.3 |
36°F Feels 28°F |
94% | 13.2 W | 29.33 inHg | 34.2°F | 0% |
1 PM Overcast UV Index: 0.3 |
35°F Feels 28°F |
94% | 12.5 W | 29.3 inHg | 34.7°F | 0% |
2 PM Heavy SnowUV Index: 0.3 |
36°F Feels 29°F |
97% | 11.9 W | 29.33 inHg | 33.5°F | 100% Rain est. 0.14in |
3 PM Overcast UV Index: 0.2 |
37°F Feels 31°F |
94% | 11.2 WNW | 29.28 inHg | 35.5°F | 0% |
4 PM Overcast UV Index: 0.1 |
36°F Feels 31°F |
93% | 10.5 WNW | 29.27 inHg | 36.6°F | 0% |
5 PM Moderate Snow UV Index: 0 |
38°F Feels 32°F |
96% | 10.3 WNW | 29.35 inHg | 33.8°F | 100% Rain est. 0.1in |
6 PM Overcast  UV Index: 0 |
39°F Feels 33°F |
91% | 10.3 NW | 29.29 inHg | 37.1°F | 0% |
7 PM Overcast UV Index: 0 |
36°F Feels 31°F |
87% | 9.8 NW | 29.32 inHg | 36.3°F | 0% |
8 PM Fog UV Index: 0 |
37°F Feels 31°F |
98% | 9.8 NNW | 29.42 inHg | 33.4°F | 0% |
9 PM Cloudy  UV Index: 0 |
37°F Feels 30°F |
87% | 8.9 NNW | 29.37 inHg | 34.3°F | 0% |
10 PM Partly Cloudy  UV Index: 0 |
35°F Feels 29°F |
88% | 12.1 NNW | 29.4 inHg | 32.9°F | 0% |
11 PM Mist UV Index: 0 |
36°F Feels 29°F |
96% | 14.1 NNW | 29.53 inHg | 33.1°F | 0% |
Saturday
Mostly sunny in the morning, then becoming mostly cloudy. Highs in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night
Mostly cloudy. Lows in the upper 30s. West winds 10 to 15 mph with gusts up to 30 mph.
| Sat, Nov 23rd | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Cloudy UV Index: 0 |
36°F Feels 29°F |
85% | 13.9 NNW | 29.45 inHg | 32.8°F | 0% |
1 AM Partly Cloudy UV Index: 0 |
33°F Feels 26°F |
87% | 13.2 NNW | 29.48 inHg | 32.7°F | 0% |
2 AM MistUV Index: 0 |
32°F Feels 24°F |
94% | 12.5 NNW | 29.6 inHg | 29.2°F | 0% |
3 AM MistUV Index: 0 |
31°F Feels 23°F |
94% | 13 NNW | 29.62 inHg | 28.6°F | 0% |
4 AM MistUV Index: 0 |
30°F Feels 22°F |
94% | 11 NNW | 29.64 inHg | 28.3°F | 0% |
5 AM Clear  UV Index: 0 |
30°F Feels 22°F |
94% | 9.2 NNW | 29.65 inHg | 28°F | 0% |
6 AM Clear UV Index: 0 |
30°F Feels 21°F |
93% | 6.7 NNW | 29.7 inHg | 27.5°F | 0% |
7 AM Clear UV Index: 0 |
29°F Feels 21°F |
92% | 7.2 WNW | 29.72 inHg | 27.2°F | 0% |
8 AM Sunny UV Index: 0.1 |
31°F Feels 23°F |
91% | 6.9 NW | 29.74 inHg | 27°F | 0% |
9 AM Partly Cloudy  UV Index: 0.5 |
33°F Feels 25°F |
87% | 7.4 NW | 29.77 inHg | 29.2°F | 0% |
10 AM Cloudy  UV Index: 0.7 |
35°F Feels 27°F |
84% | 9.4 NW | 29.78 inHg | 30.3°F | 0% |
11 AM Cloudy UV Index: 0.6 |
37°F Feels 30°F |
82% | 11.9 NW | 29.8 inHg | 31.5°F | 0% |
12 PM Cloudy UV Index: 0.6 |
39°F Feels 32°F |
79% | 13.2 NW | 29.79 inHg | 33.6°F | 0% |
1 PM Cloudy UV Index: 0.4 |
41°F Feels 34°F |
78% | 12.8 NW | 29.78 inHg | 34.7°F | 0% |
2 PM Cloudy UV Index: 0.5 |
42°F Feels 36°F |
77% | 13.4 NW | 29.77 inHg | 35.8°F | 0% |
3 PM Cloudy UV Index: 0.1 |
42°F Feels 37°F |
81% | 11.4 WNW | 29.78 inHg | 37.2°F | 0% |
4 PM Cloudy UV Index: 0 |
42°F Feels 37°F |
83% | 11.6 WNW | 29.78 inHg | 37.9°F | 0% |
5 PM Cloudy UV Index: 0 |
42°F Feels 37°F |
85% | 11.4 WNW | 29.79 inHg | 38.6°F | 0% |
6 PM Cloudy UV Index: 0 |
42°F Feels 37°F |
90% | 11 WNW | 29.81 inHg | 38.7°F | 0% |
7 PM Cloudy UV Index: 0 |
41°F Feels 36°F |
92% | 12.1 WNW | 29.83 inHg | 38.8°F | 0% |
8 PM Partly Cloudy UV Index: 0 |
41°F Feels 37°F |
94% | 13.2 WNW | 29.84 inHg | 38.8°F | 0% |
9 PM Partly Cloudy UV Index: 0 |
42°F Feels 37°F |
94% | 13 WNW | 29.85 inHg | 40.1°F | 0% |
10 PM Partly Cloudy UV Index: 0 |
43°F Feels 38°F |
94% | 12.8 WNW | 29.85 inHg | 40.8°F | 0% |
11 PM Patchy Rain Nearby UV Index: 0 |
43°F Feels 38°F |
73% | 11.6 WNW | 29.83 inHg | 36.1°F | 83% |
Sunday
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 40s. West winds 5 to 10 mph with gusts up to 25 mph.
Sunday Night
Partly cloudy. Lows in the lower 30s.
| Sun, Nov 24th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Partly Cloudy UV Index: 0 |
43°F Feels 38°F |
91% | 11.6 WNW | 29.86 inHg | 41°F | 0% |
1 AM Partly Cloudy UV Index: 0 |
44°F Feels 39°F |
90% | 10.7 WNW | 29.87 inHg | 40.8°F | 0% |
2 AM Overcast UV Index: 0 |
43°F Feels 38°F |
89% | 11 WNW | 29.87 inHg | 40.6°F | 0% |
3 AM Overcast UV Index: 0 |
43°F Feels 38°F |
87% | 10.7 WNW | 29.89 inHg | 39.7°F | 0% |
4 AM Overcast UV Index: 0 |
43°F Feels 37°F |
86% | 10.1 WNW | 29.9 inHg | 39.3°F | 0% |
5 AM Cloudy UV Index: 0 |
42°F Feels 37°F |
85% | 9.2 W | 29.9 inHg | 38.9°F | 0% |
6 AM Cloudy UV Index: 0 |
42°F Feels 36°F |
86% | 7.6 W | 29.93 inHg | 37.9°F | 0% |
7 AM Cloudy UV Index: 0 |
41°F Feels 35°F |
86% | 6.9 W | 29.94 inHg | 37.3°F | 0% |
8 AM Partly Cloudy UV Index: 0.1 |
42°F Feels 36°F |
87% | 6.9 W | 29.95 inHg | 36.8°F | 0% |
9 AM Partly Cloudy UV Index: 0.4 |
43°F Feels 37°F |
80% | 6.7 W | 29.98 inHg | 36.6°F | 0% |
Currently
 |
34°F |
29.4in
Barometer 89%
Humidity Southwest 8.1mph Wind |
| Light Snow | ||
Hourly Weather Nearby
More Local Information
Bookmark and Share
Download our App
