Reston, VA 20194 Hourly Weather

Fairfax County10:11 PM EDT38.98°N, 77.34°W

Next 48 hours

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 4 PM 7 PM 35° 40° 45° 50° 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 212 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
10 PM Clear 47° 46° 0% 0.00 in N 3 G8 79% 41° 2% 0
11 PM Clear 46° 45° 0% 0.00 in NW 3 G8 83% 41° 2% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 45° 43° 0% 0.00 in NW 5 86% 41° 0% 0
1 AM Clear 44° 41° 0% 0.00 in NW 5 86% 40° 0% 0
2 AM Clear 43° 40° 0% 0.00 in NW 5 G10 86% 39° 1% 0
3 AM Clear 43° 40° 0% 0.00 in NW 5 G10 82% 38° 0% 0
4 AM Clear 42° 39° 0% 0.00 in NW 5 G10 86% 38° 1% 0
5 AM Clear 41° 37° 0% 0.00 in NW 6 85% 37° 3% 0
6 AM Sunny 41° 37° 0% 0.00 in NW 6 82% 36° 2% 0
7 AM Sunny 40° 36° 0% 0.00 in NW 6 G12 85% 36° 3% 0
8 AM Sunny 40° 35° 0% 0.00 in NW 7 G13 85% 36° 1% 0
9 AM Sunny 43° 39° 0% 0.00 in NW 7 G14 79% 37° 1% 1
10 AM Sunny 50° 47° 0% 0.00 in NW 8 G15 61% 37° 3% 2
11 AM Sunny 56° 56° 0% 0.00 in N 9 G16 51% 38° 7% 3
12 PM Sunny 59° 59° 0% 0.00 in N 10 G17 44% 37° 6% 4
1 PM Sunny 62° 62° 0% 0.00 in N 10 G18 38% 36° 5% 4
2 PM Sunny 64° 64° 0% 0.00 in N 10 G18 35% 36° 7% 4
3 PM Sunny 65° 65° 0% 0.00 in N 9 G18 35% 37° 5% 3
4 PM Sunny 65° 65° 0% 0.00 in N 9 G18 37% 38° 4% 1
5 PM Sunny 64° 64° 0% 0.00 in N 8 G17 40% 39° 4% 0
6 PM Clear 62° 62° 0% 0.00 in NW 7 G15 44% 40° 1% 0
7 PM Clear 59° 59° 0% 0.00 in N 7 G14 53% 42° 0% 0
8 PM Clear 53° 53° 0% 0.00 in N 6 G12 69% 43° 2% 0
9 PM Clear 52° 52° 0% 0.00 in N 6 74% 44° 0% 0
10 PM Clear 50° 48° 0% 0.00 in N 5 G10 83% 45° 3% 0
11 PM Mostly Clear 49° 47° 0% 0.00 in NW 5 G10 86% 45° 13% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 48° 45° 0% 0.00 in N 6 89% 45° 8% 0
1 AM Clear 48° 45° 0% 0.00 in N 6 G12 89% 45° 5% 0
2 AM Clear 48° 45° 0% 0.00 in N 6 G13 89% 45° 4% 0
3 AM Mostly Clear 48° 45° 0% 0.00 in N 6 G14 89% 45° 10% 0
4 AM Mostly Clear 47° 44° 0% 0.00 in N 7 G14 93% 45° 14% 0
5 AM Mostly Clear 47° 44° 0% 0.00 in N 7 G14 89% 44° 18% 0
6 AM Mostly Sunny 46° 42° 0% 0.00 in N 7 G14 89% 43° 26% 0
7 AM Sunny 45° 41° 0% 0.00 in N 7 G13 89% 42° 25% 0
8 AM Sunny 45° 42° 0% 0.00 in N 6 G13 86% 41° 13% 0
9 AM Sunny 47° 44° 0% 0.00 in N 7 G13 79% 41° 19% 1
10 AM Sunny 51° 51° 0% 0.00 in N 7 G13 68% 41° 13% 2
11 AM Sunny 55° 55° 0% 0.00 in NE 7 G13 59% 41° 7% 3
12 PM Sunny 58° 58° 0% 0.00 in NE 7 51% 40° 6% 4
1 PM Sunny 60° 60° 0% 0.00 in NE 6 G12 44% 38° 6% 4
2 PM Sunny 61° 61° 0% 0.00 in NE 6 41% 37° 5% 3
3 PM Sunny 62° 62° 0% 0.00 in NE 6 39% 37° 6% 2
4 PM Sunny 62° 62° 0% 0.00 in NE 5 39% 37° 8% 1
5 PM Sunny 60° 60° 0% 0.00 in NE 5 42% 37° 9% 0
6 PM Mostly Clear 57° 57° 0% 0.00 in NE 5 47% 37° 10% 0
7 PM Mostly Clear 53° 53° 0% 0.00 in E 3 G8 57% 38° 10% 0
8 PM Mostly Clear 49° 48° 0% 0.00 in E 3 66% 38° 11% 0
9 PM Mostly Clear 47° 46° 0% 0.00 in E 3 74% 39° 12% 0
10 PM Mostly Clear 45° 45° 0% 0.00 in E 2 82% 40° 12% 0
11 PM Mostly Clear 44° 44° 0% 0.00 in E 2 86% 40° 13% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 43° 43° 0% 0.00 in E 2 89% 40° 11% 0
1 AM Mostly Clear 42° 42° 0% 0.00 in NE 1 89% 39° 8% 0
2 AM Mostly Clear 41° 41° 0% 0.00 in NE 1 92% 39° 6% 0
3 AM Mostly Clear 40° 40° 0% 0.00 in NE 1 96% 39° 8% 0
4 AM Mostly Clear 40° 40° 0% 0.00 in N 1 92% 38° 10% 0
5 AM Mostly Clear 40° 40° 0% 0.00 in N 1 92% 38° 12% 0
6 AM Sunny 39° 39° 0% 0.00 in N 1 96% 38° 12% 0
7 AM Sunny 38° 38° 0% 0.00 in N 2 100% 38° 11% 0
8 AM Sunny 39° 39° 0% 0.00 in N 2 100% 39° 11% 0
9 AM Sunny 43° 43° 0% 0.00 in N 2 89% 40° 9% –
10 AM Sunny 49° 49° 0% 0.00 in NE 2 77% 42° 7% –
11 AM Sunny 54° 54° 0% 0.00 in E 2 66% 43° 5% –
12 PM Sunny 57° 57° 0% 0.00 in E 2 59% 43° 5% –
1 PM Sunny 59° 59° 0% 0.00 in E 3 53% 42° 6% –
2 PM Sunny 61° 61° 0% 0.00 in E 3 48% 41° 6% –
3 PM Sunny 62° 62° 0% 0.00 in E 3 46% 41° 6% –
4 PM Sunny 62° 62° 0% 0.00 in E 3 46% 41° 5% –
5 PM Sunny 60° 60° 0% 0.00 in E 3 49% 41° 5% –
6 PM Clear 57° 57° 0% 0.00 in E 3 57% 42° 4% –
7 PM Clear 53° 53° 0% 0.00 in E 2 71% 44° 3% –
8 PM Clear 50° 50° 0% – E 2 83% 45° 3% –
9 PM Clear 48° 48° 0% – E 2 89% 45° 3% –
10 PM Clear 46° 46° 0% – E 1 96% 45° 3% –
11 PM Clear 45° 45° 0% – E 1 100% 45° 3% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 44° 44° 0% – E 1 100% 44° 3% –
1 AM Clear 44° 44° 0% – Calm 100% 44° 3% –
2 AM Clear 43° 43° 0% – Calm 100% 43° 3% –
3 AM Clear 42° 42° 0% – Calm 100% 42° 3% –
4 AM Clear 41° 41° 0% – Calm 100% 41° 3% –
5 AM Clear 41° 41° 0% – Calm 100% 41° 3% –
6 AM Sunny 40° 40° 0% – Calm 100% 40° 3% –
7 AM Sunny 41° 41° 0% – N 1 96% 40° 3% –
8 AM Sunny 42° 42° 0% – N 1 96% 41° 6% –
9 AM Sunny 46° 46° 0% – N 1 89% 43° 6% –
10 AM Sunny 50° 50° 0% – NE 1 86% 46° 6% –
11 AM Sunny 55° 55° 0% – E 1 77% 48° 6% –
12 PM Sunny 58° 58° 0% – E 1 69% 48° 6% –
1 PM Sunny 60° 60° 0% – SE 2 62% 47° 6% –
2 PM Sunny 62° 62° 0% – S 2 56% 46° 4% –
3 PM Sunny 63° 63° 0% – S 2 54% 46° 4% –
4 PM Sunny 64° 64° 0% – S 2 52% 46° 4% –
5 PM Sunny 63° 63° 0% – S 2 54% 46° 4% –
6 PM Clear 60° 60° 0% – S 2 62% 47° 4% –
7 PM Clear 57° 57° 0% – SE 1 72% 48° 4% –
8 PM Clear 53° 53° 0% – SE 1 86% 49° 3% –
9 PM Clear 51° 51° 0% – SE 1 93% 49° 3% –
10 PM Clear 49° 49° 0% – S 1 100% 49° 3% –
11 PM Clear 48° 48° 0% – S 1 100% 48° 3% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 47° 47° 0% – S 1 100% 47° 3% –
1 AM Clear 46° 46° 0% – SW 1 100% 46° 3% –
2 AM Clear 45° 45° 0% – W 1 100% 45° 5% –
3 AM Clear 45° 45° 0% – W 1 96% 44° 5% –
4 AM Clear 44° 44° 0% – W 1 100% 44° 5% –
5 AM Clear 44° 44° 0% – W 1 96% 43° 5% –
6 AM Sunny 43° 43° 0% – W 1 96% 42° 5% –
7 AM Sunny 42° 42° 0% – W 2 100% 42° 5% –
8 AM Sunny 43° 43° 0% – W 2 96% 42° 11% –
9 AM Sunny 47° 47° 0% – W 2 89% 44° 11% –
10 AM Sunny 52° 52° 0% – W 2 86% 48° 11% –
11 AM Sunny 57° 57° 0% – NW 2 77% 50° 11% –
12 PM Sunny 61° 61° 0% – NW 2 67% 50° 11% –
1 PM Sunny 63° 63° 0% – NW 3 60% 49° 11% –
2 PM Sunny 65° 65° 0% – NW 3 54% 48° 8% –
3 PM Sunny 66° 66° 0% – NW 3 52% 48° 8% –
4 PM Sunny 67° 67° 0% – NW 2 52% 49° 8% –
5 PM Sunny 66° 66° 0% – NW 2 54% 49° 8% –
6 PM Mostly Clear 64° 64° 0% – NW 2 58% 49° 8% –
7 PM Mostly Clear 60° 60° 0% – W 2 69% 50° 8% –
8 PM Mostly Clear 57° 57° 0% – W 2 77% 50° 12% –
9 PM Mostly Clear 54° 54° 0% – W 2 86% 50° 12% –
10 PM Mostly Clear 52° 52° 0% – NW 2 93% 50° 12% –
11 PM Mostly Clear 50° 50° 0% – NW 2 100% 50° 12% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 49° 49° 0% – NW 2 100% 49° 12% –
1 AM Mostly Clear 49° 49° 0% – NW 2 100% 49° 12% –
2 AM Mostly Clear 49° 49° 0% – NW 2 96% 48° 24% –
3 AM Mostly Clear 49° 48° 0% – NW 3 G8 96% 48° 24% –
4 AM Mostly Clear 48° 47° 0% – NW 3 G8 96% 47° 24% –
5 AM Mostly Clear 48° 46° 0% – N 5 96% 47° 24% –
6 AM Sunny 47° 45° 0% – N 5 100% 47° 24% –
7 AM Sunny 47° 44° 0% – N 6 100% 47° 24% –
8 AM Mostly Sunny 48° 45° 0% – N 6 96% 47° 28% –
9 AM Mostly Sunny 51° 51° 0% – N 6 89% 48° 28% –
10 AM Mostly Sunny 55° 55° 0% – N 6 83% 50° 28% –
11 AM Mostly Sunny 59° 59° 0% – N 6 75% 51° 28% –
12 PM Mostly Sunny 62° 62° 0% – N 6 67% 51° 28% –
1 PM Mostly Sunny 64° 64° 0% – N 6 63% 51° 28% –
2 PM Mostly Sunny 66° 66° 0% – N 6 58% 51° 34% –
3 PM Mostly Sunny 67° 67° 0% – N 6 56% 51° 34% –
4 PM Mostly Sunny 67° 67° 0% – NE 5 56% 51° 34% –
5 PM Mostly Sunny 66° 66° 0% – NE 5 58% 51° 34% –
6 PM Partly Cloudy 64° 64° 0% – NE 5 63% 51° 34% –
7 PM Partly Cloudy 61° 61° 0% – NE 5 72% 52° 34% –
8 PM Partly Cloudy 58° 58° 0% – NE 5 80% 52° 39% –
9 PM Partly Cloudy 56° 56° 0% – NE 5 86% 52° 39% –
10 PM Partly Cloudy 54° 54° 0% – E 3 G8 93% 52° 39% –
11 PM Partly Cloudy 52° 52° 0% – E 3 G8 100% 52° 39% –
Wednesday, October 284 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 51° 51° 0% – E 3 G8 100% 51° 39% –
1 AM Partly Cloudy 50° 49° 0% – E 3 G8 100% 50° 39% –
2 AM Mostly Cloudy 50° 49° 0% – E 3 G8 100% 50° 52% –
3 AM Mostly Cloudy 49° 48° 0% – E 3 G8 100% 49° 52% –

National Weather Service forecast updated 7 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 4Conservative index and reflects what the press published. Terms of use.