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Recently Viewed Airport Codes:
KIAD
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| Daily Summary |
| |
Actual |
Average |
Record |
| Temperature |
| Mean Temperature |
45°F
|
42°F
|
|
| Max Temperature |
50°F
|
52°F
|
68°F
(1976) |
| Min Temperature |
40°F
|
31°F
|
11°F
(1974) |
| Degree Days |
| Heating Degree Days |
20 |
23 |
|
| Month to date heating degree days |
393 |
518 |
|
| Since 1 July heating degree days |
680 |
906 |
|
| Cooling Degree Days |
0 |
0 |
|
| Month to date cooling degree days |
0 |
0 |
|
| Year to date cooling degree days |
1259 |
1072 |
|
| Moisture |
| Dew Point |
31°F
|
|
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| Average Humidity |
61 |
|
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| Maximum Humidity |
76 |
|
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| Minimum Humidity |
45 |
|
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| Precipitation |
| Precipitation |
T in
|
0.11 in
|
2.59 in
(1993) |
| Month to date precipitation |
3.45 |
2.98 |
|
| Year to date precipitation |
42.38 |
38.40 |
|
| Snow |
| Snow |
0.00 in
|
0.10 in
|
in
() |
| Month to date snowfall |
0.0 |
0.5 |
|
| Since 1 July snowfall |
0.0 |
0.6 |
|
| Snow Depth |
0.00 in
|
|
|
| Sea Level Pressure |
| Sea Level Pressure |
29.71 in
|
|
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| Wind |
| Wind Speed |
17 mph
(WNW) |
|
|
| Max Wind Speed |
33 mph
|
|
|
| Max Gust Speed |
43 mph
|
|
|
| Visibility |
10 miles
|
|
|
| Events |
|
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|
|
|
| T = Trace of Precipitation, MM = Missing Value |
Source: NWS Daily Summary |
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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 |
| 12:52 AM |
46.0°F
|
37.0°F
|
71% |
29.69 in
|
10.0 miles
|
NNW |
13.8 mph
|
-
|
0.00 in
|
|
Overcast |
| 1:52 AM |
46.0°F
|
32.0°F
|
58% |
29.71 in
|
10.0 miles
|
NNW |
12.7 mph
|
-
|
N/A |
|
Overcast |
| 2:52 AM |
45.0°F
|
28.9°F
|
53% |
29.70 in
|
10.0 miles
|
NNW |
16.1 mph
|
23.0 mph
|
N/A |
|
Overcast |
| 3:52 AM |
43.0°F
|
28.9°F
|
58% |
29.70 in
|
10.0 miles
|
NNW |
12.7 mph
|
-
|
N/A |
|
Overcast |
| 4:52 AM |
43.0°F
|
30.0°F
|
60% |
29.70 in
|
10.0 miles
|
NW |
9.2 mph
|
-
|
N/A |
|
Overcast |
| 5:52 AM |
42.1°F
|
30.0°F
|
62% |
29.70 in
|
10.0 miles
|
NW |
6.9 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 6:52 AM |
39.9°F
|
30.0°F
|
68% |
29.70 in
|
10.0 miles
|
WNW |
5.8 mph
|
-
|
N/A |
|
Mostly Cloudy |
| 7:52 AM |
42.1°F
|
30.9°F
|
65% |
29.70 in
|
10.0 miles
|
WNW |
9.2 mph
|
-
|
N/A |
|
Scattered Clouds |
| 8:52 AM |
46.0°F
|
33.1°F
|
61% |
29.69 in
|
10.0 miles
|
WNW |
16.1 mph
|
26.5 mph
|
N/A |
|
Mostly Cloudy |
| 9:52 AM |
46.0°F
|
32.0°F
|
58% |
29.70 in
|
10.0 miles
|
WNW |
21.9 mph
|
26.5 mph
|
N/A |
|
Mostly Cloudy |
| 10:52 AM |
48.0°F
|
32.0°F
|
54% |
29.68 in
|
10.0 miles
|
WNW |
16.1 mph
|
32.2 mph
|
N/A |
|
Overcast |
| 11:52 AM |
48.9°F
|
32.0°F
|
52% |
29.66 in
|
10.0 miles
|
WNW |
24.2 mph
|
33.4 mph
|
N/A |
|
Mostly Cloudy |
| 12:52 PM |
48.0°F
|
32.0°F
|
54% |
29.66 in
|
10.0 miles
|
West |
23.0 mph
|
29.9 mph
|
0.00 in
|
|
Mostly Cloudy |
| 1:52 PM |
48.0°F
|
28.9°F
|
48% |
29.66 in
|
10.0 miles
|
NW |
29.9 mph
|
41.4 mph
|
N/A |
|
Mostly Cloudy |
| 2:52 PM |
46.0°F
|
28.0°F
|
50% |
29.70 in
|
10.0 miles
|
WNW |
18.4 mph
|
29.9 mph
|
N/A |
|
Mostly Cloudy |
| 3:52 PM |
46.0°F
|
27.0°F
|
47% |
29.72 in
|
10.0 miles
|
WNW |
21.9 mph
|
32.2 mph
|
N/A |
|
Mostly Cloudy |
| 4:52 PM |
44.1°F
|
27.0°F
|
51% |
29.73 in
|
10.0 miles
|
WNW |
25.3 mph
|
34.5 mph
|
N/A |
|
Mostly Cloudy |
| 5:52 PM |
43.0°F
|
26.1°F
|
51% |
29.75 in
|
10.0 miles
|
WNW |
19.6 mph
|
39.1 mph
|
N/A |
|
Mostly Cloudy |
| 6:52 PM |
42.1°F
|
25.0°F
|
51% |
29.78 in
|
10.0 miles
|
WNW |
19.6 mph
|
35.7 mph
|
N/A |
|
Overcast |
| 7:52 PM |
42.1°F
|
25.0°F
|
51% |
29.80 in
|
10.0 miles
|
WNW |
13.8 mph
|
24.2 mph
|
N/A |
|
Mostly Cloudy |
| 8:52 PM |
39.9°F
|
25.0°F
|
55% |
29.80 in
|
10.0 miles
|
WNW |
17.3 mph
|
28.8 mph
|
N/A |
|
Mostly Cloudy |
| 9:52 PM |
41.0°F
|
26.1°F
|
55% |
29.82 in
|
10.0 miles
|
WNW |
9.2 mph
|
19.6 mph
|
N/A |
|
Mostly Cloudy |
| 10:52 PM |
41.0°F
|
26.1°F
|
55% |
29.82 in
|
10.0 miles
|
WNW |
11.5 mph
|
20.7 mph
|
N/A |
|
Mostly Cloudy |
| 11:52 PM |
41.0°F
|
27.0°F
|
57% |
29.78 in
|
10.0 miles
|
WNW |
26.5 mph
|
33.4 mph
|
N/A |
|
Partly Cloudy |
|