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Data Calendar for WASHINGTON/DULLES

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/New_York timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

Jun 2026Jul 2026 Aug 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
28293001
High: 97
Low: 73
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: SSW @ 4.8
Gust:
S @ 17
(7:00 AM)
RH% Min/Max: 46-82
Feel Min/Max: 73 to 109		02
High: 98
Low: 75
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: W @ 4.7
Gust:
WNW @ 20
(11:35 AM)
RH% Min/Max: 44-94
Feel Min/Max: 76 to 109		03
High: 98
Low: 78
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: W @ 5.6
Gust:
W @ 20
(6:15 AM)
RH% Min/Max: 45-77
Feel Min/Max: 86 to 110		04
High: 99
Low: 74
Precip: 0.04
Snow: 0.0
Snow Depth: 0.0
Avg Wind: W @ 6.5
Gust:
SSW @ 30
(6:41 PM)
RH% Min/Max: 40-87
Feel Min/Max: 74 to 110
05
High: 94
Low: 72
Precip: 0.05
Snow: 0.0
Snow Depth: 0.0
Avg Wind: S @ 4.9
Gust:
SSW @ 36
(7:13 PM)
RH% Min/Max: 46-93
Feel Min/Max: 73 to 102		06
High: 88
Low: 73
Precip: 0.67
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NE @ 5.5
Gust:
NNE @ 17
(6:35 AM)
RH% Min/Max: 63-97
Feel Min/Max: 73 to 94		07
High: 82
Low: 73
Precip: 0.10
Snow: 0.0
Snow Depth: 0.0
Avg Wind: ENE @ 3.1
RH% Min/Max: 72-100
Feel Min/Max: 73 to 87		08
High: 82
Low: 71
Precip: 0.44
Snow: 0.0
Snow Depth: 0.0
Avg Wind: ESE @ 4.7
RH% Min/Max: 72-97
Feel Min/Max: 71 to 85		09
High: 87
Low: 72
Precip: 1.44
Snow: 0.0
Snow Depth: 0.0
Avg Wind: SSW @ 5.3
Gust:
N @ 27
(4:06 PM)
RH% Min/Max: 65-100
Feel Min/Max: 73 to 94		10
High: 86
Low: 68
Precip: 0.02
Snow: 0.0
Snow Depth: 0.0
Avg Wind: WSW @ 3.6
Gust:
SSW @ 22
(6:37 PM)
RH% Min/Max: 63-100
Feel Min/Max: 69 to 90		11
High: 88
Low: 70
Precip: 0.70
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NW @ 6.7
Gust:
E @ 43
(9:59 PM)
RH% Min/Max: 53-97
Feel Min/Max: 70 to 91
12
High: 85
Low: 66
Precip: 0.23
Snow: 0.0
Avg Wind: ENE @ 6.1
Gust:
ESE @ 26
(7:50 AM)
RH% Min/Max: 63-97
Feel Min/Max: 67 to 88		13
High: 86
Low: 62
Precip: 0.00
Snow: 0.0
Avg Wind: SE @ 3.9
Gust:
SE @ 21
(2:52 PM)
RH% Min/Max: 41-97
Feel Min/Max: 62 to 85		14
High: 90
Low: 64
Precip: 0.00
Snow: 0.0
Avg Wind: SSW @ 4.3
RH% Min/Max: 50-97
Feel Min/Max: 65 to 93		15
High: 95
Low: 68
Precip: 0.00
Snow: 0.0
Avg Wind: SW @ 6.1
Gust:
W @ 19
(12:10 PM)
RH% Min/Max: 49-93
Feel Min/Max: 69 to 103		16
High: 96
Low: 81
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: WNW @ 7.2
Gust:
W @ 22
(9:00 AM)
RH% Min/Max: 46-69
Feel Min/Max: 85 to 105		17
High: 90
Low: 68
Precip: Trace
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NW @ 3.2
Gust:
N @ 19
(1:25 AM)
RH% Min/Max: 38-78
Feel Min/Max: 69 to 90		18
High: 94
Low: 73
Precip: 0.77
Snow: 0.0
Snow Depth: 0.0
Avg Wind: S @ 5.6
Gust:
S @ 42
(3:37 PM)
RH% Min/Max: 56-94
Feel Min/Max: 73 to 107
19
High: 86
Low: 71
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NNW @ 7.0
Gust:
N @ 26
(8:50 AM)
RH% Min/Max: 50-97
Feel Min/Max: 72 to 87		20
High: 84
Low: 63
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: SSE @ 4.5
Gust:
SSE @ 18
(9:50 AM)
RH% Min/Max: 49-90
Feel Min/Max: 64 to 86		21
High: 88
Low: 69
Precip: 0.88
Snow: 0.0
Snow Depth: 0.0
Avg Wind: S @ 7.9
Gust:
SSW @ 26
(5:05 PM)
RH% Min/Max: 63-97
Feel Min/Max: 70 to 96		22
High: 89
Low: 69
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: WNW @ 7.4
Gust:
N @ 26
(9:52 PM)
RH% Min/Max: 43-97
Feel Min/Max: 69 to 91		23
High: 81
Low: 61
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: N @ 6.1
Gust:
N @ 21
(11:10 AM)
RH% Min/Max: 36-78
Feel Min/Max: 63 to 80		24
High: 82
Low: 57
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: ESE @ 4.7
RH% Min/Max: 42-93
Feel Min/Max: 57 to 81		25
High: 79
Low: 65
Precip: Trace
Snow: 0.0
Snow Depth: 0.0
Avg Wind: SSW @ 3.2
Gust:
SW @ 20
(1:52 AM)
RH% Min/Max: 60-93
Feel Min/Max: 65 to 78
26
High: 84
Low: 64
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Gust:
SSE @ 16
(7:50 AM)
RH% Min/Max: 55-93
Feel Min/Max: 65 to 85		27

Precip: M		2829303101

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.