Reston, VA 20195 Hourly Weather

Fairfax County3:20 PM EDT38.83°N, 77.29°W

Next 48 hours

3 PM 6 PM 9 PM Wed Oct 21 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Thu Oct 22 12 AM 3 AM 6 AM 9 AM 12 PM 40° 45° 50° 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Tuesday, October 209 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
3 PM Sunny 66° 66° 0% 0.00 in N 10 G17 48% 46° 3% 3
4 PM Sunny 68° 68° 0% 0.00 in N 10 G17 43% 45° 1% 1
5 PM Sunny 66° 66° 0% 0.00 in N 9 G16 48% 46° 1% 0
6 PM Clear 66° 66° 0% 0.00 in N 8 G17 48% 46° 0% 0
7 PM Clear 63° 63° 0% 0.00 in N 8 G15 54% 46° 0% 0
8 PM Clear 60° 60° 0% 0.00 in N 8 G15 64% 48° 1% 0
9 PM Clear 59° 59° 0% 0.00 in N 8 G15 67% 48° 2% 0
10 PM Clear 57° 57° 0% 0.00 in N 7 G14 75% 49° 1% 0
11 PM Clear 56° 56° 0% 0.00 in N 7 G15 74% 48° 2% 0
Wednesday, October 2124 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 55° 55° 0% 0.00 in N 7 G15 74% 47° 2% 0
1 AM Clear 54° 54° 0% 0.00 in N 7 G15 74% 46° 0% 0
2 AM Clear 53° 53° 0% 0.00 in N 7 G14 74% 45° 1% 0
3 AM Clear 52° 52° 0% 0.00 in N 7 G14 77% 45° 1% 0
4 AM Clear 51° 51° 0% 0.00 in N 7 G14 77% 44° 2% 0
5 AM Clear 49° 46° 0% 0.00 in N 7 G14 80% 43° 3% 0
6 AM Sunny 48° 44° 0% 0.00 in N 8 G14 83% 43° 3% 0
7 AM Sunny 47° 43° 0% 0.00 in N 8 G14 83% 42° 13% 0
8 AM Sunny 48° 44° 0% 0.00 in N 8 G14 80% 42° 16% 0
9 AM Sunny 50° 47° 0% 0.00 in N 8 G16 77% 43° 14% 1
10 AM Sunny 54° 54° 0% 0.00 in N 9 G17 66% 43° 14% 2
11 AM Sunny 58° 58° 0% 0.00 in N 9 G16 57% 43° 14% 3
12 PM Sunny 60° 60° 0% 0.00 in N 9 G16 51% 42° 10% 4
1 PM Sunny 61° 61° 0% 0.00 in N 9 G16 49% 42° 7% 5
2 PM Sunny 63° 63° 0% 0.00 in N 9 G15 46% 42° 10% 4
3 PM Sunny 63° 63° 0% 0.00 in N 9 G15 44% 41° 3% 3
4 PM Sunny 64° 64° 0% 0.00 in N 10 G17 43% 41° 2% 1
5 PM Sunny 62° 62° 0% 0.00 in N 9 G16 46% 41° 2% 0
6 PM Clear 60° 60° 0% 0.00 in N 7 G15 49% 41° 4% 0
7 PM Mostly Clear 57° 57° 0% 0.00 in N 6 G13 57% 42° 6% 0
8 PM Mostly Clear 54° 54° 0% 0.00 in N 5 G10 69% 44° 6% 0
9 PM Mostly Clear 52° 52° 0% 0.00 in N 5 77% 45° 14% 0
10 PM Mostly Clear 51° 51° 0% 0.00 in N 5 83% 46° 10% 0
11 PM Mostly Clear 50° 48° 0% 0.00 in N 5 86% 46° 6% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 49° 47° 0% 0.00 in N 5 G10 86% 45° 5% 0
1 AM Clear 49° 47° 0% 0.00 in NW 6 86% 45° 5% 0
2 AM Clear 48° 45° 0% 0.00 in NW 6 G12 86% 44° 4% 0
3 AM Mostly Clear 47° 44° 0% 0.00 in NW 6 G12 86% 43° 6% 0
4 AM Mostly Clear 46° 42° 0% 0.00 in NW 7 G13 89% 43° 8% 0
5 AM Mostly Clear 45° 41° 0% 0.00 in NW 7 G13 89% 42° 10% 0
6 AM Sunny 45° 41° 0% 0.00 in NW 7 G14 86% 41° 10% 0
7 AM Sunny 44° 39° 0% 0.00 in NW 8 G14 89% 41° 10% 0
8 AM Sunny 45° 41° 0% 0.00 in NW 8 G15 86% 41° 10% 0
9 AM Sunny 48° 44° 0% 0.00 in NW 9 G16 77% 41° 8% 1
10 AM Sunny 52° 52° 0% 0.00 in N 9 G16 69% 42° 6% 2
11 AM Sunny 56° 56° 0% 0.00 in N 10 G17 59% 42° 4% 3
12 PM Sunny 59° 59° 0% 0.00 in N 10 G18 53% 42° 4% 4
1 PM Sunny 62° 62° 0% 0.00 in N 10 G18 48% 42° 3% 4
2 PM Sunny 64° 64° 0% 0.00 in N 10 G18 45% 42° 3% 4
3 PM Sunny 65° 65° 0% 0.00 in N 9 G18 43% 42° 3% 3
4 PM Sunny 65° 65° 0% 0.00 in N 9 G17 45% 43° 3% 1
5 PM Sunny 64° 64° 0% 0.00 in N 8 G16 48% 44° 3% 0
6 PM Clear 62° 62° 0% 0.00 in N 7 G15 56% 46° 3% 0
7 PM Clear 59° 59° 0% 0.00 in N 6 G15 64% 47° 2% 0
8 PM Clear 57° 57° 0% 0.00 in N 6 G14 75% 49° 2% 0
9 PM Clear 56° 56° 0% 0.00 in N 6 G14 80% 50° 3% 0
10 PM Clear 55° 55° 0% 0.00 in N 7 G14 83% 50° 4% 0
11 PM Clear 55° 55° 0% 0.00 in N 7 G14 83% 50° 5% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 54° 54° 0% 0.00 in N 7 G15 86% 50° 6% 0
1 AM Mostly Clear 53° 53° 0% 0.00 in N 8 G15 86% 49° 7% 0
2 AM Mostly Clear 52° 52° 0% 0.00 in N 8 G16 86% 48° 8% 0
3 AM Mostly Clear 51° 51° 0% 0.00 in N 8 G16 86% 47° 8% –
4 AM Mostly Clear 50° 46° 0% 0.00 in N 9 G16 89% 47° 9% –
5 AM Mostly Clear 48° 44° 0% 0.00 in N 9 G16 93% 46° 9% –
6 AM Sunny 47° 43° 0% 0.00 in N 9 G16 93% 45° 8% –
7 AM Sunny 46° 41° 0% 0.00 in N 9 G16 93% 44° 6% –
8 AM Sunny 46° 41° 0% 0.00 in N 9 G16 89% 43° 5% –
9 AM Sunny 48° 44° 0% 0.00 in N 9 G16 80% 42° 5% –
10 AM Sunny 50° 46° 0% 0.00 in N 9 G16 71% 41° 4% –
11 AM Sunny 52° 52° 0% 0.00 in N 9 G16 63% 40° 4% –
12 PM Sunny 54° 54° 0% 0.00 in N 9 G15 59% 40° 3% –
1 PM Sunny 56° 56° 0% 0.00 in N 8 G15 53% 39° 3% –
2 PM Sunny 57° 57° 0% 0.00 in N 8 G14 51% 39° 2% –
3 PM Sunny 58° 58° 0% 0.00 in N 8 47% 38° 2% –
4 PM Sunny 58° 58° 0% 0.00 in NE 7 G13 45% 37° 2% –
5 PM Sunny 57° 57° 0% 0.00 in NE 7 47% 37° 2% –
6 PM Clear 55° 55° 0% 0.00 in NE 6 53% 38° 2% –
7 PM Clear 52° 52° 0% 0.00 in NE 5 63% 40° 2% –
8 PM Clear 50° 49° 0% – NE 3 77% 43° 2% –
9 PM Clear 49° 48° 0% – NE 3 80% 43° 2% –
10 PM Clear 47° 47° 0% – NE 2 89% 44° 2% –
11 PM Clear 46° 46° 0% – NE 2 93% 44° 2% –
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 45° 45° 0% – NE 2 96% 44° 2% –
1 AM Clear 44° 44° 0% – NE 2 100% 44° 2% –
2 AM Clear 43° 43° 0% – NE 2 100% 43° 5% –
3 AM Clear 42° 42° 0% – NE 2 100% 42° 5% –
4 AM Clear 41° 39° 0% – N 3 100% 41° 5% –
5 AM Clear 41° 39° 0% – N 3 100% 41° 5% –
6 AM Sunny 40° 38° 0% – N 3 100% 40° 5% –
7 AM Sunny 40° 38° 0% – N 3 100% 40° 5% –
8 AM Sunny 41° 39° 0% – N 3 100% 41° 2% –
9 AM Sunny 44° 42° 0% – N 3 93% 42° 2% –
10 AM Sunny 48° 48° 0% – NE 2 86% 44° 2% –
11 AM Sunny 52° 52° 0% – NE 2 77% 45° 2% –
12 PM Sunny 55° 55° 0% – E 2 69% 45° 2% –
1 PM Sunny 57° 57° 0% – E 2 64% 45° 2% –
2 PM Sunny 59° 59° 0% – SE 2 57% 44° 3% –
3 PM Sunny 60° 60° 0% – SE 2 55% 44° 3% –
4 PM Sunny 61° 61° 0% – SE 2 53% 44° 3% –
5 PM Sunny 60° 60° 0% – SE 2 55% 44° 3% –
6 PM Clear 58° 58° 0% – SE 2 64% 46° 3% –
7 PM Clear 54° 54° 0% – E 2 80% 48° 3% –
8 PM Mostly Clear 51° 51° 0% – E 2 93% 49° 10% –
9 PM Mostly Clear 49° 49° 0% – SE 2 100% 49° 10% –
10 PM Mostly Clear 48° 48° 0% – SE 1 100% 48° 10% –
11 PM Mostly Clear 47° 47° 0% – SE 1 100% 47° 10% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 46° 46° 0% – SE 1 100% 46° 10% –
1 AM Mostly Clear 45° 45° 0% – S 1 100% 45° 10% –
2 AM Mostly Clear 45° 45° 0% – S 1 100% 45° 7% –
3 AM Mostly Clear 45° 45° 0% – SW 1 100% 45° 7% –
4 AM Mostly Clear 44° 44° 0% – W 1 100% 44° 7% –
5 AM Mostly Clear 44° 44° 0% – NW 1 100% 44° 7% –
6 AM Sunny 43° 43° 0% – NW 1 100% 43° 7% –
7 AM Sunny 43° 43° 0% – NW 2 100% 43° 7% –
8 AM Sunny 44° 44° 0% – NW 2 96% 43° 12% –
9 AM Sunny 47° 47° 0% – W 2 93% 45° 12% –
10 AM Sunny 51° 51° 0% – SW 2 89% 48° 12% –
11 AM Sunny 55° 55° 0% – S 2 83% 50° 12% –
12 PM Sunny 58° 58° 0% – S 2 75% 50° 12% –
1 PM Sunny 60° 60° 0% – S 3 69% 50° 12% –
2 PM Sunny 62° 62° 0% – S 3 62% 49° 7% –
3 PM Sunny 64° 64° 0% – S 3 58% 49° 7% –
4 PM Sunny 64° 64° 0% – S 2 58% 49° 7% –
5 PM Sunny 64° 64° 0% – S 2 58% 49° 7% –
6 PM Mostly Clear 62° 62° 0% – S 2 65% 50° 7% –
7 PM Mostly Clear 58° 58° 0% – SE 2 75% 50° 7% –
8 PM Mostly Clear 55° 55° 0% – SE 2 86% 51° 11% –
9 PM Mostly Clear 53° 53° 0% – S 2 93% 51° 11% –
10 PM Mostly Clear 51° 51° 0% – S 1 100% 51° 11% –
11 PM Mostly Clear 50° 50° 0% – S 1 100% 50° 11% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 49° 49° 0% – S 1 100% 49° 11% –
1 AM Mostly Clear 49° 49° 0% – SW 1 100% 49° 11% –
2 AM Mostly Clear 48° 48° 0% – SW 1 100% 48° 16% –
3 AM Mostly Clear 47° 47° 0% – SW 1 100% 47° 16% –
4 AM Mostly Clear 47° 47° 0% – W 2 100% 47° 16% –
5 AM Mostly Clear 46° 46° 0% – W 2 100% 46° 16% –
6 AM Sunny 45° 45° 0% – W 2 100% 45° 16% –
7 AM Sunny 45° 45° 0% – W 2 100% 45° 16% –
8 AM Sunny 46° 46° 0% – W 2 100% 46° 19% –
9 AM Sunny 49° 49° 0% – W 2 93% 47° 19% –
10 AM Sunny 53° 53° 0% – W 3 86% 49° 19% –
11 AM Sunny 57° 57° 0% – W 3 80% 51° 19% –
12 PM Sunny 61° 61° 0% – W 3 72% 52° 19% –
1 PM Sunny 64° 64° 0% – W 5 65% 52° 19% –
2 PM Sunny 67° 67° 0% – W 5 59% 52° 15% –
3 PM Sunny 69° 69° 0% – W 5 55% 52° 15% –
4 PM Sunny 69° 69° 0% – W 3 55% 52° 15% –
5 PM Sunny 68° 68° 0% – W 3 57% 52° 15% –
6 PM Mostly Clear 66° 66° 0% – W 3 63% 53° 15% –
7 PM Mostly Clear 63° 63° 0% – W 2 70% 53° 15% –
8 PM Partly Cloudy 60° 60° 0% – W 2 81% 54° 28% –
9 PM Partly Cloudy 58° 58° 0% – W 2 86% 54° 28% –
10 PM Partly Cloudy 56° 56° 0% – W 3 93% 54° 28% –
11 PM Partly Cloudy 55° 55° 0% – W 3 96% 54° 28% –
Tuesday, October 272 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 54° 54° 0% – W 3 96% 53° 28% –
1 AM Partly Cloudy 54° 54° 0% – NW 3 G8 96% 53° 28% –

National Weather Service forecast updated 57 min 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.