Herndon Hourly Forecast
Next 48 Hours
This Afternoon
Partly sunny with a 50 percent chance of showers. Near steady temperature in the upper 70s. South winds 15 to 20 mph with gusts up to 35 mph.
Tonight
A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph, becoming west 5 to 10 mph after midnight. Chance of rain near 100 percent.
| Tue, Nov 5th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
4 PM Partly Cloudy  UV Index: 0 |
75°F Feels 78°F |
62% | 17.4 SSW | 29.89 inHg | 61.4°F | 0% |
5 PM Partly Cloudy  UV Index: 0 |
74°F Feels 77°F |
61% | 15.4 SSW | 29.87 inHg | 61°F | 0% |
6 PM Partly Cloudy UV Index: 0 |
73°F Feels 77°F |
66% | 14.1 S | 29.89 inHg | 61°F | 0% |
7 PM Partly Cloudy UV Index: 0 |
72°F Feels 77°F |
68% | 13.9 S | 29.89 inHg | 61°F | 0% |
8 PM Overcast  UV Index: 0 |
71°F Feels 71°F |
71% | 14.5 S | 29.9 inHg | 61°F | 0% |
9 PM Overcast UV Index: 0 |
71°F Feels 71°F |
75% | 10.1 SW | 29.9 inHg | 62.3°F | 0% |
10 PM Overcast UV Index: 0 |
69°F Feels 69°F |
77% | 7.2 WSW | 29.91 inHg | 63°F | 0% |
11 PM Moderate Rain UV Index: 0 |
69°F Feels 69°F |
95% | 6 WSW | 29.91 inHg | 65.1°F | 100% Rain est. 0.16in |
Wednesday
Mostly cloudy. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs around 70. Northeast winds around 5 mph. Chance of rain 80 percent.
Wednesday Night
Showers likely with a chance of thunderstorms. Lows in the upper 50s. Northeast winds around 5 mph. Chance of rain 70 percent.
| Wed, Nov 6th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Overcast UV Index: 0 |
70°F Feels 70°F |
80% | 4.3 SSW | 29.9 inHg | 63.5°F | 0% |
1 AM Overcast UV Index: 0 |
70°F Feels 70°F |
80% | 2.5 S | 29.89 inHg | 63.4°F | 0% |
2 AM Cloudy  UV Index: 0 |
70°F Feels 70°F |
80% | 2.5 SSE | 29.89 inHg | 63.4°F | 0% |
3 AM Cloudy UV Index: 0 |
70°F Feels 70°F |
82% | 5.4 SSE | 29.9 inHg | 63.6°F | 0% |
4 AM Cloudy UV Index: 0 |
69°F Feels 69°F |
82% | 5.4 SSW | 29.9 inHg | 63.8°F | 0% |
5 AM Overcast UV Index: 0 |
69°F Feels 69°F |
83% | 8.9 SSW | 29.91 inHg | 63.9°F | 0% |
6 AM Moderate Rain At Times UV Index: 0 |
68°F Feels 68°F |
88% | 9.8 SW | 29.93 inHg | 64.4°F | 100% Rain est. 0.03in |
7 AM Heavy Rain At Times UV Index: 0 |
68°F Feels 68°F |
91% | 5.1 WNW | 29.94 inHg | 64.7°F | 100% Rain est. 0.05in |
8 AM Light Rain UV Index: 0.2 |
67°F Feels 67°F |
93% | 4.9 NNW | 29.95 inHg | 64.9°F | 100% Rain est. 0.06in |
9 AM Light RainUV Index: 0.7 |
67°F Feels 67°F |
95% | 2.9 WNW | 29.97 inHg | 65.3°F | 100% Rain est. 0.08in |
10 AM Light RainUV Index: 0.8 |
67°F Feels 67°F |
97% | 2.7 WNW | 29.98 inHg | 65.5°F | 100% Rain est. 0.09in |
11 AM Moderate Rain UV Index: 1 |
67°F Feels 67°F |
98% | 0.7 E | 29.99 inHg | 65.7°F | 100% Rain est. 0.11in |
12 PM Moderate RainUV Index: 1 |
67°F Feels 67°F |
97% | 2.7 SE | 29.97 inHg | 66.3°F | 100% Rain est. 0.05in |
1 PM Moderate RainUV Index: 1 |
68°F Feels 68°F |
96% | 3.4 SSE | 29.96 inHg | 66.5°F | 100% Rain est. 0.03in |
2 PM Mist UV Index: 0.8 |
68°F Feels 68°F |
96% | 4.3 S | 29.96 inHg | 66.8°F | 0% |
3 PM MistUV Index: 0.6 |
68°F Feels 68°F |
97% | 3.1 S | 29.96 inHg | 66.9°F | 100% Rain est. 0.02in |
4 PM MistUV Index: 0.2 |
67°F Feels 67°F |
98% | 1.8 SSW | 29.96 inHg | 66.9°F | 100% Rain est. 0.04in |
5 PM Light Rain UV Index: 0 |
67°F Feels 67°F |
99% | 2.2 NNW | 29.96 inHg | 66.9°F | 100% Rain est. 0.05in |
6 PM Light RainUV Index: 0 |
67°F Feels 67°F |
99% | 3.6 N | 29.97 inHg | 66.6°F | 100% Rain est. 0.08in |
7 PM Light RainUV Index: 0 |
67°F Feels 67°F |
99% | 4.3 NE | 29.97 inHg | 66.5°F | 100% Rain est. 0.09in |
8 PM Moderate RainUV Index: 0 |
67°F Feels 67°F |
99% | 4.7 ENE | 29.98 inHg | 66.3°F | 100% Rain est. 0.1in |
9 PM Moderate RainUV Index: 0 |
67°F Feels 67°F |
98% | 5.1 ENE | 29.99 inHg | 66.3°F | 100% Rain est. 0.05in |
10 PM Moderate RainUV Index: 0 |
69°F Feels 69°F |
98% | 5.4 ENE | 29.99 inHg | 66.4°F | 100% Rain est. 0.03in |
11 PM Overcast UV Index: 0 |
67°F Feels 67°F |
79% | 5.4 E | 29.91 inHg | 63.6°F | 0% |
Thursday
Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. North winds 5 to 10 mph. Chance of rain 40 percent.
Thursday Night And Friday
Mostly cloudy. Lows in the lower 50s. Highs around 70.
| Thu, Nov 7th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Fog UV Index: 0 |
67°F Feels 67°F |
96% | 4.7 E | 30 inHg | 64.8°F | 0% |
1 AM FogUV Index: 0 |
66°F Feels 66°F |
94% | 3.6 ESE | 30 inHg | 64°F | 0% |
2 AM Clear  UV Index: 0 |
65°F Feels 65°F |
93% | 3.6 SE | 30.01 inHg | 63.2°F | 0% |
3 AM Cloudy UV Index: 0 |
65°F Feels 65°F |
95% | 4 SE | 30.01 inHg | 63.2°F | 0% |
4 AM Cloudy UV Index: 0 |
64°F Feels 64°F |
97% | 5.4 SE | 30.01 inHg | 63.3°F | 0% |
5 AM FogUV Index: 0 |
64°F Feels 64°F |
98% | 4.7 SE | 30.02 inHg | 63.3°F | 0% |
6 AM FogUV Index: 0 |
64°F Feels 64°F |
98% | 3.4 SSE | 30.03 inHg | 62.9°F | 0% |
7 AM Fog UV Index: 4 |
64°F Feels 64°F |
98% | 3.4 SE | 30.04 inHg | 62.8°F | 0% |
8 AM FogUV Index: 4 |
64°F Feels 64°F |
98% | 3.1 SE | 30.05 inHg | 62.6°F | 0% |
9 AM FogUV Index: 4 |
65°F Feels 65°F |
92% | 2.7 SE | 30.06 inHg | 63.1°F | 0% |
10 AM FogUV Index: 4 |
66°F Feels 66°F |
90% | 4 SSE | 30.07 inHg | 63.3°F | 0% |
11 AM Cloudy  UV Index: 4 |
68°F Feels 68°F |
87% | 4.9 SSE | 30.08 inHg | 63.5°F | 0% |
12 PM Cloudy UV Index: 5 |
69°F Feels 69°F |
83% | 5.4 S | 30.05 inHg | 64.2°F | 0% |
1 PM Cloudy UV Index: 5 |
70°F Feels 70°F |
81% | 4.9 S | 30.04 inHg | 64.5°F | 0% |
2 PM Overcast  UV Index: 5 |
70°F Feels 70°F |
79% | 4 S | 30.03 inHg | 64.8°F | 0% |
3 PM Overcast UV Index: 5 |
70°F Feels 70°F |
86% | 2.5 SSE | 30.09 inHg | 65.8°F | 0% |
Currently
 |
77°F |
29.86in
Barometer 61%
Humidity South 12.7mph Wind |
| Partly Cloudy | ||
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