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Recently Viewed Airport Codes:
KIAD
|
KFAT
|
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| Daily Summary |
| |
Actual |
Average |
Record |
| Temperature |
| Mean Temperature |
45°F
|
42°F
|
|
| Max Temperature |
50°F
|
53°F
|
75°F
(1990) |
| Min Temperature |
40°F
|
31°F
|
16°F
(1974) |
| Degree Days |
| Heating Degree Days |
20 |
23 |
|
| Month to date heating degree days |
373 |
495 |
|
| Since 1 July heating degree days |
660 |
883 |
|
| Cooling Degree Days |
0 |
0 |
|
| Month to date cooling degree days |
0 |
0 |
|
| Year to date cooling degree days |
1259 |
1072 |
|
| Moisture |
| Dew Point |
39°F
|
|
|
| Average Humidity |
90 |
|
|
| Maximum Humidity |
100 |
|
|
| Minimum Humidity |
80 |
|
|
| Precipitation |
| Precipitation |
0.03 in
|
0.11 in
|
1.03 in
(1996) |
| Month to date precipitation |
3.45 |
2.87 |
|
| Year to date precipitation |
42.38 |
38.29 |
|
| Snow |
| Snow |
0.00 in
|
0.10 in
|
in
() |
| Month to date snowfall |
0.0 |
0.4 |
|
| Since 1 July snowfall |
0.0 |
0.5 |
|
| Snow Depth |
0.00 in
|
|
|
| Sea Level Pressure |
| Sea Level Pressure |
29.91 in
|
|
|
| Wind |
| Wind Speed |
4 mph
(NE) |
|
|
| Max Wind Speed |
22 mph
|
|
|
| Max Gust Speed |
29 mph
|
|
|
| Visibility |
2 miles
|
|
|
| Events |
Fog
,
Rain
|
|
|
|
|
| T = Trace of Precipitation, MM = Missing Value |
Source: NWS Daily Summary |
|
|
|
Show full METARS
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Hourly Observations
| Time(EST) |
Temperature |
Dew Point |
Humidity |
Sea Level Pressure |
Visibility |
Wind Direction |
Wind Speed |
Gust Speed |
Precipitation |
Events |
Conditions |
| 12:36 AM |
41.0°F
|
39.2°F
|
93% |
29.93 in
|
2.0 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Patches of Fog |
| 12:52 AM |
41.0°F
|
39.0°F
|
93% |
29.93 in
|
2.0 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Patches of Fog |
| 1:04 AM |
41.0°F
|
39.2°F
|
93% |
29.93 in
|
3.0 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Patches of Fog |
| 1:33 AM |
39.2°F
|
37.4°F
|
93% |
29.93 in
|
1.0 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Patches of Fog |
| 1:52 AM |
41.0°F
|
37.9°F
|
89% |
29.93 in
|
1.0 miles
|
NW |
3.5 mph
|
-
|
N/A |
Fog
|
Patches of Fog |
| 2:07 AM |
41.0°F
|
39.2°F
|
93% |
29.93 in
|
0.2 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 2:52 AM |
42.1°F
|
41.0°F
|
96% |
29.93 in
|
0.1 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 2:59 AM |
42.8°F
|
41.0°F
|
93% |
29.92 in
|
0.2 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 3:28 AM |
44.6°F
|
42.8°F
|
93% |
29.92 in
|
0.0 miles
|
NNW |
4.6 mph
|
-
|
N/A |
Fog
|
Fog |
| 3:52 AM |
44.1°F
|
42.1°F
|
93% |
29.92 in
|
0.1 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 4:52 AM |
44.1°F
|
43.0°F
|
96% |
29.92 in
|
0.1 miles
|
NE |
3.5 mph
|
-
|
N/A |
Fog
|
Fog |
| 5:52 AM |
45.0°F
|
43.0°F
|
93% |
29.92 in
|
0.1 miles
|
NNW |
3.5 mph
|
-
|
N/A |
Fog
|
Fog |
| 5:59 AM |
44.6°F
|
42.8°F
|
93% |
29.92 in
|
0.2 miles
|
North |
4.6 mph
|
-
|
N/A |
Fog
|
Fog |
| 6:52 AM |
45.0°F
|
43.0°F
|
93% |
29.93 in
|
0.1 miles
|
North |
3.5 mph
|
-
|
N/A |
Fog
|
Fog |
| 7:52 AM |
45.0°F
|
43.0°F
|
93% |
29.94 in
|
0.1 miles
|
NE |
3.5 mph
|
-
|
N/A |
Fog
|
Fog |
| 8:52 AM |
45.0°F
|
44.1°F
|
97% |
29.93 in
|
0.1 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 9:52 AM |
46.9°F
|
45.0°F
|
93% |
29.93 in
|
0.1 miles
|
North |
3.5 mph
|
-
|
N/A |
Fog
|
Fog |
| 10:25 AM |
46.4°F
|
46.4°F
|
100% |
29.92 in
|
0.2 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 10:52 AM |
48.0°F
|
46.0°F
|
93% |
29.91 in
|
0.5 miles
|
Calm |
Calm |
-
|
N/A |
Fog
|
Fog |
| 11:27 AM |
48.2°F
|
46.4°F
|
93% |
29.88 in
|
0.8 miles
|
East |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 11:52 AM |
48.9°F
|
46.9°F
|
93% |
29.88 in
|
0.8 miles
|
East |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 12:16 PM |
48.2°F
|
46.4°F
|
93% |
29.86 in
|
1.0 miles
|
ESE |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 12:45 PM |
48.2°F
|
46.4°F
|
93% |
29.85 in
|
1.5 miles
|
SSE |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 12:52 PM |
48.9°F
|
46.9°F
|
93% |
29.85 in
|
1.5 miles
|
ESE |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 1:36 PM |
50.0°F
|
46.4°F
|
87% |
29.83 in
|
2.0 miles
|
ESE |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 1:52 PM |
50.0°F
|
46.9°F
|
89% |
29.82 in
|
2.0 miles
|
SE |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 2:52 PM |
50.0°F
|
46.9°F
|
89% |
29.81 in
|
2.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 3:47 PM |
50.0°F
|
46.4°F
|
87% |
29.79 in
|
0.5 miles
|
East |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 3:52 PM |
50.0°F
|
46.9°F
|
89% |
29.80 in
|
0.5 miles
|
East |
3.5 mph
|
-
|
N/A |
Fog
|
Fog |
| 4:52 PM |
50.0°F
|
46.9°F
|
89% |
29.77 in
|
0.5 miles
|
ESE |
6.9 mph
|
-
|
N/A |
Fog
|
Fog |
| 5:21 PM |
50.0°F
|
46.4°F
|
87% |
29.76 in
|
2.0 miles
|
East |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 5:52 PM |
50.0°F
|
46.9°F
|
89% |
29.75 in
|
2.0 miles
|
East |
4.6 mph
|
-
|
N/A |
|
Overcast |
| 6:17 PM |
50.0°F
|
46.4°F
|
87% |
29.76 in
|
2.0 miles
|
ESE |
3.5 mph
|
-
|
N/A |
|
Overcast |
| 6:52 PM |
50.0°F
|
46.9°F
|
89% |
29.76 in
|
2.0 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 7:38 PM |
50.0°F
|
46.4°F
|
87% |
29.74 in
|
1.8 miles
|
Calm |
Calm |
-
|
N/A |
|
Overcast |
| 7:52 PM |
50.0°F
|
46.9°F
|
89% |
29.74 in
|
1.2 miles
|
Calm |
Calm |
-
|
0.00 in
|
|
Light Drizzle |
| 8:31 PM |
50.0°F
|
46.4°F
|
87% |
29.73 in
|
1.5 miles
|
Calm |
Calm |
-
|
0.00 in
|
Rain
|
Light Rain |
| 8:52 PM |
50.0°F
|
46.9°F
|
89% |
29.73 in
|
1.5 miles
|
North |
3.5 mph
|
-
|
0.01 in
|
Rain
|
Light Rain |
| 9:03 PM |
50.0°F
|
46.4°F
|
87% |
29.73 in
|
1.5 miles
|
NW |
8.1 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 9:37 PM |
48.2°F
|
42.8°F
|
82% |
29.74 in
|
1.5 miles
|
NW |
13.8 mph
|
21.9 mph
|
0.01 in
|
Rain
|
Light Rain |
| 9:40 PM |
48.2°F
|
42.8°F
|
82% |
29.74 in
|
1.5 miles
|
NW |
15.0 mph
|
-
|
0.01 in
|
Rain
|
Light Rain |
| 9:43 PM |
48.2°F
|
42.8°F
|
82% |
29.74 in
|
6.0 miles
|
NW |
15.0 mph
|
-
|
0.01 in
|
Rain
|
Light Rain |
| 9:52 PM |
48.2°F
|
42.8°F
|
82% |
29.74 in
|
10.0 miles
|
NNW |
16.1 mph
|
-
|
N/A |
Rain
|
Light Rain |
| 10:03 PM |
48.2°F
|
42.8°F
|
82% |
29.74 in
|
10.0 miles
|
NNW |
12.7 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 10:52 PM |
46.9°F
|
41.0°F
|
80% |
29.73 in
|
10.0 miles
|
NNW |
12.7 mph
|
-
|
0.00 in
|
Rain
|
Light Rain |
| 11:52 PM |
46.9°F
|
39.0°F
|
74% |
29.70 in
|
10.0 miles
|
NNW |
18.4 mph
|
25.3 mph
|
0.01 in
|
Rain
|
Light Rain |
|