Herndon, VA 22095 Hourly Weather

Fairfax County6:31 AM EDT38.97°N, 77.39°W

Next 48 hours

6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Fri Oct 23 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Sat Oct 24 12 AM 3 AM 35° 40° 45° 50° 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Thursday, October 2218 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
6 AM Sunny 40° 36° 0% 0.00 in NW 6 85% 36° 2% 0
7 AM Sunny 40° 36° 0% 0.00 in NW 6 G12 82% 35° 4% 0
8 AM Sunny 40° 35° 0% 0.00 in NW 7 G13 79% 34° 1% 0
9 AM Sunny 43° 38° 0% 0.00 in NW 8 G14 73% 35° 2% 1
10 AM Sunny 50° 47° 0% 0.00 in N 8 G15 61% 37° 2% 2
11 AM Sunny 55° 55° 0% 0.00 in N 9 G16 49% 36° 3% 3
12 PM Sunny 59° 59° 0% 0.00 in N 10 G17 40% 35° 3% 4
1 PM Sunny 61° 61° 0% 0.00 in N 10 G18 36% 34° 3% 4
2 PM Sunny 63° 63° 0% 0.00 in N 10 G18 34% 34° 3% 4
3 PM Sunny 64° 64° 0% 0.00 in N 10 G18 32% 34° 3% 3
4 PM Sunny 64° 64° 0% 0.00 in N 9 G18 32% 34° 1% 1
5 PM Sunny 65° 65° 0% 0.00 in N 8 G17 34% 36° 2% 0
6 PM Clear 61° 61° 0% 0.00 in N 7 G15 42% 38° 0% 0
7 PM Clear 58° 58° 0% 0.00 in N 7 G14 49% 39° 0% 0
8 PM Clear 55° 55° 0% 0.00 in N 6 G12 55% 39° 1% 0
9 PM Clear 51° 51° 0% 0.00 in N 5 G10 68% 41° 1% 0
10 PM Clear 50° 48° 0% 0.00 in N 5 G10 77% 43° 2% 0
11 PM Clear 48° 46° 0% 0.00 in N 5 G10 86% 44° 2% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 47° 45° 0% 0.00 in N 5 G10 89% 44° 1% 0
1 AM Clear 46° 43° 0% 0.00 in N 6 G12 93% 44° 2% 0
2 AM Clear 46° 43° 0% 0.00 in N 6 G13 96% 45° 2% 0
3 AM Clear 46° 43° 0% 0.00 in N 6 G14 96% 45° 0% 0
4 AM Clear 45° 41° 0% 0.00 in N 7 G14 100% 45° 2% 0
5 AM Mostly Clear 45° 41° 0% 0.00 in N 7 G14 100% 45° 6% 0
6 AM Sunny 45° 41° 0% 0.00 in N 7 G14 100% 45° 8% 0
7 AM Sunny 44° 41° 0% 0.00 in N 6 G13 100% 44° 15% 0
8 AM Sunny 44° 41° 0% 0.00 in N 6 G13 96% 43° 15% 0
9 AM Sunny 47° 44° 0% 0.00 in N 6 G13 89% 44° 19% 1
10 AM Sunny 52° 52° 0% 0.00 in N 7 G13 74% 44° 24% 2
11 AM Sunny 56° 56° 0% 0.00 in NE 7 G13 62% 43° 22% 3
12 PM Sunny 58° 58° 0% 0.00 in NE 7 55% 42° 20% 4
1 PM Sunny 60° 60° 0% 0.00 in NE 6 G12 49% 41° 13% 4
2 PM Sunny 61° 61° 0% 0.00 in NE 6 46% 40° 11% 3
3 PM Sunny 62° 62° 0% 0.00 in NE 6 43% 39° 12% 2
4 PM Sunny 62° 62° 0% 0.00 in NE 6 G12 41% 38° 9% 1
5 PM Sunny 60° 60° 0% 0.00 in NE 6 44% 38° 7% 0
6 PM Clear 58° 58° 0% 0.00 in NE 5 49% 39° 3% 0
7 PM Clear 55° 55° 0% 0.00 in NE 5 55% 39° 4% 0
8 PM Mostly Clear 49° 48° 0% 0.00 in NE 3 G8 68% 39° 10% 0
9 PM Clear 47° 46° 0% 0.00 in NE 3 79% 41° 0% 0
10 PM Mostly Clear 45° 44° 0% 0.00 in E 3 93% 43° 6% 0
11 PM Mostly Clear 43° 43° 0% 0.00 in E 2 96% 42° 11% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 42° 42° 0% 0.00 in E 2 96% 41° 9% 0
1 AM Mostly Clear 41° 41° 0% 0.00 in E 1 100% 41° 8% 0
2 AM Mostly Clear 40° 40° 0% 0.00 in E 1 100% 40° 6% 0
3 AM Mostly Clear 39° 39° 0% 0.00 in NE 1 100% 39° 6% 0
4 AM Mostly Clear 38° 38° 0% 0.00 in NE 1 100% 38° 7% 0
5 AM Mostly Clear 38° 38° 0% 0.00 in N 1 100% 38° 7% 0
6 AM Sunny 37° 37° 0% 0.00 in N 1 100% 37° 7% 0
7 AM Sunny 36° 36° 0% 0.00 in N 2 100% 36° 8% 0
8 AM Sunny 37° 37° 0% 0.00 in N 2 100% 37° 8% 0
9 AM Sunny 42° 42° 0% 0.00 in N 2 89% 39° 6% 1
10 AM Sunny 48° 48° 0% 0.00 in NE 2 77% 41° 4% 2
11 AM Sunny 54° 54° 0% 0.00 in E 2 64% 42° 2% 3
12 PM Sunny 57° 57° 0% 0.00 in E 2 57% 42° 3% 4
1 PM Sunny 59° 59° 0% 0.00 in E 3 49% 40° 3% 4
2 PM Sunny 60° 60° 0% 0.00 in SE 3 46% 39° 4% 3
3 PM Sunny 61° 61° 0% 0.00 in SE 3 42% 38° 4% 2
4 PM Sunny 61° 61° 0% 0.00 in E 3 42% 38° 3% 1
5 PM Sunny 59° 59° 0% 0.00 in E 3 47% 39° 3% 0
6 PM Clear 56° 56° 0% 0.00 in E 3 55% 40° 2% 0
7 PM Clear 52° 52° 0% 0.00 in E 3 66% 41° 2% 0
8 PM Clear 48° 47° 0% 0.00 in E 3 80% 42° 1% 0
9 PM Clear 46° 46° 0% 0.00 in E 2 89% 43° 2% –
10 PM Clear 44° 44° 0% 0.00 in E 2 96% 43° 2% –
11 PM Clear 43° 43° 0% 0.00 in E 1 100% 43° 3% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 42° 42° 0% 0.00 in Calm 100% 42° 2% –
1 AM Clear 42° 42° 0% 0.00 in Calm 100% 42° 2% –
2 AM Clear 41° 41° 0% 0.00 in Calm 100% 41° 1% –
3 AM Clear 40° 40° 0% 0.00 in Calm 100% 40° 2% –
4 AM Clear 39° 39° 0% 0.00 in N 1 100% 39° 3% –
5 AM Clear 39° 39° 0% 0.00 in NW 1 100% 39° 4% –
6 AM Sunny 38° 38° 0% 0.00 in NW 1 100% 38° 3% –
7 AM Sunny 37° 37° 0% 0.00 in N 1 100% 37° 3% –
8 AM Sunny 38° 38° 0% – N 1 100% 38° 2% –
9 AM Sunny 43° 43° 0% – N 1 89% 40° 2% –
10 AM Sunny 49° 49° 0% – N 1 80% 43° 2% –
11 AM Sunny 55° 55° 0% – N 1 69% 45° 2% –
12 PM Sunny 59° 59° 0% – NE 1 60% 45° 2% –
1 PM Sunny 62° 62° 0% – SE 1 54% 45° 2% –
2 PM Sunny 63° 63° 0% – S 1 50% 44° 2% –
3 PM Sunny 65° 65° 0% – S 1 46% 44° 2% –
4 PM Sunny 65° 65° 0% – S 1 48% 45° 1% –
5 PM Sunny 63° 63° 0% – S 1 52% 45° 1% –
6 PM Clear 60° 60° 0% – S 1 58% 45° 1% –
7 PM Clear 55° 55° 0% – Calm 72% 46° 1% –
8 PM Clear 54° 54° 0% – SE 1 77% 47° 1% –
9 PM Clear 51° 51° 0% – SE 1 86% 47° 1% –
10 PM Clear 48° 48° 0% – Calm 96% 47° 1% –
11 PM Clear 46° 46° 0% – Calm 100% 46° 1% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 45° 45° 0% – Calm 100% 45° 1% –
1 AM Clear 44° 44° 0% – Calm 100% 44° 1% –
2 AM Clear 43° 43° 0% – Calm 100% 43° 2% –
3 AM Clear 42° 42° 0% – Calm 100% 42° 2% –
4 AM Clear 42° 42° 0% – W 1 100% 42° 2% –
5 AM Clear 41° 41° 0% – W 1 100% 41° 2% –
6 AM Sunny 40° 40° 0% – W 1 100% 40° 2% –
7 AM Sunny 39° 39° 0% – NW 1 100% 39° 2% –
8 AM Sunny 40° 40° 0% – NW 1 100% 40° 7% –
9 AM Sunny 45° 45° 0% – NW 1 89% 42° 7% –
10 AM Sunny 51° 51° 0% – W 2 83% 46° 7% –
11 AM Sunny 57° 57° 0% – W 2 72% 48° 7% –
12 PM Sunny 61° 61° 0% – W 2 62% 48° 7% –
1 PM Sunny 64° 64° 0% – NW 2 54% 47° 7% –
2 PM Sunny 66° 66° 0% – NW 2 48% 46° 3% –
3 PM Sunny 67° 67° 0% – NW 2 47% 46° 3% –
4 PM Sunny 67° 67° 0% – NW 1 49% 47° 3% –
5 PM Sunny 66° 66° 0% – W 1 50% 47° 3% –
6 PM Clear 64° 64° 0% – W 1 54% 47° 3% –
7 PM Clear 60° 60° 0% – W 1 64% 48° 3% –
8 PM Mostly Clear 57° 57° 0% – W 1 72% 48° 6% –
9 PM Mostly Clear 54° 54° 0% – W 1 80% 48° 6% –
10 PM Mostly Clear 51° 51° 0% – W 1 89% 48° 6% –
11 PM Mostly Clear 49° 49° 0% – W 1 96% 48° 6% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 47° 47° 0% – W 1 100% 47° 6% –
1 AM Mostly Clear 47° 47° 0% – NW 1 100% 47° 6% –
2 AM Mostly Clear 46° 46° 0% – NW 1 100% 46° 18% –
3 AM Mostly Clear 45° 45° 0% – NW 1 100% 45° 18% –
4 AM Mostly Clear 45° 45° 0% – NW 2 100% 45° 18% –
5 AM Mostly Clear 45° 45° 0% – NW 2 100% 45° 18% –
6 AM Sunny 44° 42° 0% – NW 3 G8 100% 44° 18% –
7 AM Sunny 44° 41° 0% – NW 5 100% 44° 18% –
8 AM Sunny 45° 43° 0% – NW 5 100% 45° 20% –
9 AM Sunny 49° 47° 0% – N 5 89% 46° 20% –
10 AM Sunny 54° 54° 0% – N 3 G8 80% 48° 20% –
11 AM Sunny 59° 59° 0% – N 3 G8 69% 49° 20% –
12 PM Sunny 62° 62° 0% – N 3 G8 65% 50° 20% –
1 PM Sunny 65° 65° 0% – N 3 58% 50° 20% –
2 PM Mostly Sunny 66° 66° 0% – N 3 56% 50° 32% –
3 PM Mostly Sunny 67° 67° 0% – N 3 54% 50° 32% –
4 PM Mostly Sunny 68° 68° 0% – NE 3 G8 52% 50° 32% –
5 PM Mostly Sunny 67° 67° 0% – NE 3 G8 54% 50° 32% –
6 PM Partly Cloudy 65° 65° 0% – NE 3 G8 58% 50° 32% –
7 PM Partly Cloudy 61° 61° 0% – NE 3 G8 70% 51° 32% –
8 PM Partly Cloudy 58° 58° 0% – E 3 G8 77% 51° 43% –
9 PM Partly Cloudy 56° 56° 0% – E 3 G8 83% 51° 43% –
10 PM Partly Cloudy 54° 54° 0% – E 2 86% 50° 43% –
11 PM Partly Cloudy 52° 52° 0% – E 2 93% 50° 43% –
Wednesday, October 2816 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 51° 51° 0% – E 2 96% 50° 43% –
1 AM Partly Cloudy 50° 49° 0% – E 3 96% 49° 43% –
2 AM Mostly Cloudy 49° 48° 1% – E 3 100% 49° 54% –
3 AM Mostly Cloudy 49° 48° 1% – E 3 96% 48° 54% –
4 AM Mostly Cloudy 48° 47° 1% – E 3 G8 100% 48° 54% –
5 AM Mostly Cloudy 48° 47° 1% – E 3 G8 96% 47° 54% –
6 AM Partly Sunny 47° 46° 1% – E 3 G8 96% 46° 54% –
7 AM Partly Sunny 46° 44° 1% – E 5 100% 46° 54% –
8 AM Mostly Cloudy 47° 45° 2% – E 5 96% 46° 71% –
9 AM Mostly Cloudy 50° 48° 2% – E 5 89% 47° 71% –
10 AM Mostly Cloudy 53° 53° 2% – SE 5 83% 48° 71% –
11 AM Mostly Cloudy 57° 57° 2% – SE 5 75% 49° 71% –
12 PM Mostly Cloudy 60° 60° 2% – SE 5 67% 49° 71% –
1 PM Mostly Cloudy 62° 62° 2% – S 5 62% 49° 71% –
2 PM Partly Sunny 64° 64° 2% – S 5 58% 49° 65% –
3 PM Partly Sunny 65° 65° 2% – S 5 56% 49° 65% –

National Weather Service forecast updated 4 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.