Ashburn, VA 20149 Hourly Weather

Loudoun County4:04 PM EDT39.04°N, 77.49°W

Next 48 hours

4 PM 7 PM 10 PM Thu Oct 22 1 AM 4 AM 7 AM 10 AM 1 PM 4 PM 7 PM 10 PM Fri Oct 23 1 AM 4 AM 7 AM 10 AM 1 PM 35° 40° 45° 50° 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 218 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
4 PM Sunny 63° 63° 0% 0.00 in N 8 G15 41% 39° 4% 1
5 PM Sunny 63° 63° 0% 0.00 in N 7 G14 41% 39° 3% 0
6 PM Clear 61° 61° 0% 0.00 in N 6 G12 44% 39° 4% 0
7 PM Clear 56° 56° 0% 0.00 in N 6 53% 39° 4% 0
8 PM Clear 50° 49° 0% 0.00 in N 3 66% 39° 4% 0
9 PM Clear 47° 46° 0% 0.00 in N 3 76% 40° 2% 0
10 PM Clear 46° 45° 0% 0.00 in N 3 83% 41° 3% 0
11 PM Clear 45° 44° 0% 0.00 in NW 3 86% 41° 2% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 44° 42° 0% 0.00 in NW 3 86% 40° 1% 0
1 AM Clear 43° 41° 0% 0.00 in NW 3 G8 86% 39° 1% 0
2 AM Clear 42° 40° 0% 0.00 in NW 3 G8 86% 38° 1% 0
3 AM Clear 42° 40° 0% 0.00 in NW 3 G8 86% 38° 0% 0
4 AM Clear 41° 38° 0% 0.00 in NW 5 85% 37° 1% 0
5 AM Clear 41° 38° 0% 0.00 in NW 5 85% 37° 5% 0
6 AM Sunny 40° 37° 0% 0.00 in NW 5 89% 37° 3% 0
7 AM Sunny 39° 35° 0% 0.00 in NW 6 89% 36° 4% 0
8 AM Sunny 40° 36° 0% 0.00 in NW 6 G12 85% 36° 1% 0
9 AM Sunny 44° 40° 0% 0.00 in NW 7 G13 76% 37° 2% 1
10 AM Sunny 51° 51° 0% 0.00 in NW 8 G15 59% 37° 1% 2
11 AM Sunny 56° 56° 0% 0.00 in N 9 G16 51% 38° 5% 3
12 PM Sunny 59° 59° 0% 0.00 in N 10 G17 44% 37° 4% 4
1 PM Sunny 62° 62° 0% 0.00 in N 10 G18 38% 36° 4% 4
2 PM Sunny 64° 64° 0% 0.00 in N 10 G18 35% 36° 5% 4
3 PM Sunny 64° 64° 0% 0.00 in N 10 G18 37% 37° 4% 3
4 PM Sunny 64° 64° 0% 0.00 in N 9 G18 38% 38° 5% 1
5 PM Sunny 65° 65° 0% 0.00 in N 8 G17 40% 40° 3% 0
6 PM Clear 62° 62° 0% 0.00 in N 7 G15 46% 41° 1% 0
7 PM Clear 58° 58° 0% 0.00 in N 7 G14 55% 42° 0% 0
8 PM Clear 55° 55° 0% 0.00 in N 6 G12 64% 43° 2% 0
9 PM Clear 51° 51° 0% 0.00 in NW 6 77% 44° 0% 0
10 PM Clear 49° 47° 0% 0.00 in NW 5 G10 86% 45° 4% 0
11 PM Mostly Clear 48° 46° 0% 0.00 in NW 5 G10 89% 45° 13% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 47° 45° 0% 0.00 in N 5 G10 93% 45° 9% 0
1 AM Mostly Clear 47° 45° 0% 0.00 in N 5 G10 93% 45° 7% 0
2 AM Clear 47° 45° 0% 0.00 in N 5 G10 93% 45° 3% 0
3 AM Mostly Clear 46° 43° 0% 0.00 in N 6 96% 45° 8% 0
4 AM Mostly Clear 46° 43° 0% 0.00 in N 6 G12 93% 44° 15% 0
5 AM Mostly Clear 46° 43° 0% 0.00 in N 6 G12 93% 44° 21% 0
6 AM Mostly Sunny 45° 42° 0% 0.00 in N 6 G12 93% 43° 28% 0
7 AM Mostly Sunny 44° 41° 0% 0.00 in N 6 G12 96% 43° 29% 0
8 AM Sunny 45° 42° 0% 0.00 in N 6 G12 89% 42° 19% 0
9 AM Mostly Sunny 46° 42° 0% 0.00 in N 7 86% 42° 28% 1
10 AM Sunny 50° 47° 0% 0.00 in N 8 74% 42° 16% 2
11 AM Sunny 55° 55° 0% 0.00 in NE 8 61% 42° 4% 3
12 PM Sunny 58° 58° 0% 0.00 in NE 8 53% 41° 4% 4
1 PM Sunny 60° 60° 0% 0.00 in NE 7 47% 40° 3% 4
2 PM Sunny 61° 61° 0% 0.00 in NE 6 44% 39° 3% 3
3 PM Sunny 62° 62° 0% 0.00 in NE 6 41% 38° 5% 2
4 PM Sunny 62° 62° 0% 0.00 in NE 6 41% 38° 6% 1
5 PM Sunny 60° 60° 0% 0.00 in NE 6 44% 38° 8% 0
6 PM Mostly Clear 57° 57° 0% 0.00 in NE 5 49% 38° 9% 0
7 PM Mostly Clear 52° 52° 0% 0.00 in NE 5 61% 39° 11% 0
8 PM Mostly Clear 48° 47° 0% 0.00 in NE 3 71% 39° 12% 0
9 PM Mostly Clear 46° 46° 0% 0.00 in NE 2 76% 39° 12% 0
10 PM Mostly Clear 44° 44° 0% 0.00 in NE 2 86% 40° 12% 0
11 PM Mostly Clear 43° 43° 0% 0.00 in NE 1 89% 40° 12% 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 NE 1 93% 40° 10% 0
1 AM Mostly Clear 41° 41° 0% 0.00 in Calm 92% 39° 8% 0
2 AM Mostly Clear 40° 40° 0% 0.00 in Calm 92% 38° 6% 0
3 AM Mostly Clear 39° 39° 0% 0.00 in Calm 92% 37° 8% –
4 AM Mostly Clear 39° 39° 0% 0.00 in Calm 89% 36° 11% –
5 AM Mostly Clear 39° 39° 0% 0.00 in Calm 89% 36° 13% –
6 AM Sunny 38° 38° 0% 0.00 in Calm 92% 36° 13% –
7 AM Patchy Frost 37° 37° 0% 0.00 in N 1 100% 37° 12% –
8 AM Sunny 38° 38° 0% 0.00 in N 1 100% 38° 12% –
9 AM Sunny 43° 43° 0% 0.00 in N 1 89% 40° 9% –
10 AM Sunny 49° 49° 0% 0.00 in NE 2 77% 42° 6% –
11 AM Sunny 54° 54° 0% 0.00 in E 2 69% 44° 3% –
12 PM Sunny 57° 57° 0% 0.00 in E 2 62% 44° 4% –
1 PM Sunny 59° 59° 0% 0.00 in E 2 53% 42° 4% –
2 PM Sunny 60° 60° 0% 0.00 in SE 2 49% 41° 5% –
3 PM Sunny 61° 61° 0% 0.00 in SE 2 48% 41° 5% –
4 PM Sunny 61° 61° 0% 0.00 in SE 3 48% 41° 4% –
5 PM Sunny 60° 60° 0% 0.00 in SE 3 49% 41° 4% –
6 PM Clear 56° 56° 0% 0.00 in SE 3 59% 42° 3% –
7 PM Clear 52° 52° 0% 0.00 in E 2 74% 44° 3% –
8 PM Clear 50° 50° 0% – E 2 83% 45° 3% –
9 PM Clear 48° 48° 0% – E 1 89% 45° 3% –
10 PM Clear 46° 46° 0% – Calm 93% 44° 3% –
11 PM Clear 44° 44° 0% – Calm 100% 44° 3% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 43° 43° 0% – Calm 100% 43° 3% –
1 AM Clear 42° 42° 0% – Calm 100% 42° 3% –
2 AM Clear 42° 42° 0% – Calm 100% 42° 4% –
3 AM Clear 42° 42° 0% – Calm 96% 41° 4% –
4 AM Clear 41° 41° 0% – Calm 100% 41° 4% –
5 AM Clear 41° 41° 0% – Calm 96% 40° 4% –
6 AM Sunny 40° 40° 0% – Calm 96% 39° 4% –
7 AM Sunny 39° 39° 0% – Calm 100% 39° 4% –
8 AM Sunny 40° 40° 0% – Calm 100% 40° 6% –
9 AM Sunny 44° 44° 0% – Calm 96% 43° 6% –
10 AM Sunny 49° 49° 0% – Calm 89% 46° 6% –
11 AM Sunny 54° 54° 0% – Calm 80% 48° 6% –
12 PM Sunny 58° 58° 0% – E 1 69% 48° 6% –
1 PM Sunny 61° 61° 0% – SE 1 60% 47° 6% –
2 PM Sunny 63° 63° 0% – S 2 54% 46° 3% –
3 PM Sunny 64° 64° 0% – S 2 52% 46° 3% –
4 PM Sunny 64° 64° 0% – S 2 52% 46° 3% –
5 PM Sunny 63° 63° 0% – S 2 54% 46° 3% –
6 PM Clear 60° 60° 0% – S 2 62% 47° 3% –
7 PM Clear 57° 57° 0% – SE 1 72% 48° 3% –
8 PM Clear 53° 53° 0% – SE 1 86% 49° 4% –
9 PM Clear 51° 51° 0% – SE 1 93% 49° 4% –
10 PM Clear 49° 49° 0% – Calm 96% 48° 4% –
11 PM Clear 47° 47° 0% – Calm 100% 47° 4% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 46° 46° 0% – Calm 100% 46° 4% –
1 AM Clear 45° 45° 0% – Calm 100% 45° 4% –
2 AM Clear 44° 44° 0% – Calm 100% 44° 5% –
3 AM Clear 43° 43° 0% – Calm 100% 43° 5% –
4 AM Clear 43° 43° 0% – Calm 100% 43° 5% –
5 AM Clear 42° 42° 0% – Calm 100% 42° 5% –
6 AM Sunny 41° 41° 0% – Calm 100% 41° 5% –
7 AM Sunny 40° 40° 0% – NW 1 100% 40° 5% –
8 AM Sunny 41° 41° 0% – W 1 100% 41° 13% –
9 AM Sunny 45° 45° 0% – W 1 96% 44° 13% –
10 AM Sunny 51° 51° 0% – NW 2 86% 47° 13% –
11 AM Sunny 57° 57° 0% – NW 2 77% 50° 13% –
12 PM Sunny 61° 61° 0% – NW 2 67% 50° 13% –
1 PM Sunny 64° 64° 0% – NW 3 60% 50° 13% –
2 PM Sunny 66° 66° 0% – NW 3 54% 49° 7% –
3 PM Sunny 68° 68° 0% – NW 2 51% 49° 7% –
4 PM Sunny 68° 68° 0% – NW 2 51% 49° 7% –
5 PM Sunny 67° 67° 0% – NW 1 52% 49° 7% –
6 PM Mostly Clear 64° 64° 0% – NW 1 60% 50° 7% –
7 PM Mostly Clear 61° 61° 0% – W 1 70% 51° 7% –
8 PM Mostly Clear 57° 57° 0% – W 1 80% 51° 13% –
9 PM Mostly Clear 54° 54° 0% – W 1 90% 51° 13% –
10 PM Mostly Clear 52° 52° 0% – W 1 93% 50° 13% –
11 PM Mostly Clear 50° 50° 0% – W 1 96% 49° 13% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 49° 49° 0% – NW 1 96% 48° 13% –
1 AM Mostly Clear 48° 48° 0% – NW 2 100% 48° 13% –
2 AM Partly Cloudy 48° 48° 0% – NW 2 96% 47° 26% –
3 AM Partly Cloudy 48° 48° 0% – NW 2 96% 47° 26% –
4 AM Partly Cloudy 47° 46° 0% – NW 3 96% 46° 26% –
5 AM Partly Cloudy 47° 46° 0% – NW 3 G8 96% 46° 26% –
6 AM Mostly Sunny 46° 45° 0% – NW 3 G8 100% 46° 26% –
7 AM Mostly Sunny 45° 43° 0% – N 5 100% 45° 26% –
8 AM Mostly Sunny 46° 44° 0% – N 5 100% 46° 31% –
9 AM Mostly Sunny 50° 48° 0% – N 5 89% 47° 31% –
10 AM Mostly Sunny 54° 54° 0% – N 6 83% 49° 31% –
11 AM Mostly Sunny 59° 59° 0% – N 6 75% 51° 31% –
12 PM Mostly Sunny 62° 62° 0% – N 6 70% 52° 31% –
1 PM Mostly Sunny 65° 65° 0% – N 6 63% 52° 31% –
2 PM Mostly Sunny 66° 66° 0% – N 6 61% 52° 30% –
3 PM Mostly Sunny 67° 67° 0% – N 6 59% 52° 30% –
4 PM Mostly Sunny 67° 67° 0% – NE 5 56% 51° 30% –
5 PM Mostly Sunny 66° 66° 0% – NE 5 58% 51° 30% –
6 PM Partly Cloudy 64° 64° 0% – NE 5 63% 51° 30% –
7 PM Partly Cloudy 60° 60° 0% – NE 5 75% 52° 30% –
8 PM Partly Cloudy 57° 57° 0% – NE 5 83% 52° 41% –
9 PM Partly Cloudy 55° 55° 0% – NE 5 90% 52° 41% –
10 PM Partly Cloudy 53° 53° 0% – NE 3 96% 52° 41% –
11 PM Partly Cloudy 51° 51° 0% – NE 3 100% 51° 41% –
Wednesday, October 282 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 50° 49° 0% – NE 3 100% 50° 41% –
1 AM Partly Cloudy 49° 49° 0% – NE 2 100% 49° 41% –

National Weather Service forecast updated 1 hr 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.