McLean, VA

09/16/2026 09:00:00 AM

Monthly Reports:
Yearly Reports:
Current Conditions
Outside Temperature 64.5°F
Heat Index 65.0°F
Wind Chill 64.5°F
Dew Point 62.4°F
Outside Humidity 93%
Barometer 30.328 inHg (0.033)
Wind 0 mph N/A ( N/A)
Rain Today 0.00 in
Rain Rate 0.00 in/h
Inside Temperature 76.9°F
Inside Humidity 47%
Rise 06:51:07 AM   Rise 12:42:53 PM
Set 07:15:52 PM   Set 09:57:32 PM
Daylight 12:24   Waxing crescent
29%
 
Today
 
Week
 
Month
        
Year
Rain
Year
Outside Temperature 64.5
57.7
86.1
50.3
94.1
50.3
102.7
7.3
102.7
7.3
°F
Heat Index 65.0
57.7
96.1
49.6
109.3
49.6
123.0
7.3
123.0
7.3
°F
Wind Chill 64.5
57.7
86.1
50.3
94.1
50.3
102.7
-5.3
102.7
-5.3
°F
Dew Point 62.7
56.6
76.8
49.5
78.5
49.5
81.8
-12.8
81.8
-12.8
°F
Outside Humidity 98
92
99
42
100
42
100
20
100
20
%
Barometer 30.331
30.259
30.344
29.807
30.344
29.781
30.688
29.204
30.688
29.204
inHg
Max Wind 0
N/A
12
037
21
278
33
285
33
285
mph
°
Average Wind 0 0 0 1 1 mph
RMS Wind 0 1 1 1 1 mph
Vector Average
Vector Direction
0
N/A
0
279
0
290
0
277
0
277
mph
°
Rain 0.00 0.05 1.98 31.48 31.48 in
Rain Rate 0.00 0.08 7.48 12.80 12.80 in/h
Evapotranspiration 0.00 0.00 0.00 0.00 0.00 in
Inside Temperature 79.2
76.8
81.0
75.6
82.6
75.6
84.4
63.9
84.4
63.9
°F
Inside Humidity 48
46
53
40
65
38
65
12
65
12
%
Soil Moisture3 N/A
N/A
N/A
N/A
64
0
128
0
128
0
cb
Connectivity
Signal Quality 100%
Battery Status
Transmitter Battery OK
Voltage
Console Battery 4.7 V
About this station
Hardware Vantage Vue
Latitude 38° 57.71' N
Longitude 077° 15.64' W
Altitude 300 feet
Server uptime 4 days, 18 hours, 10 minutes
WeeWX uptime 4 days, 18 hours, 9 minutes
WeeWX version 5.5.0
Skin Seasons 4.10.2
History:   Day Week Month Year

This station is controlled by WeeWX, an experimental weather software system written in Python.