Washington D.C. Weather in 2018

Historical record of Washington D.C., District of Columbia weather for the year 2018 based on NOAA data.
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2018 Washington D.C. Weather Extremes
Highest temperature 98 °F July 16
Lowest temperature 8 °F January 7
Highest daily low 80 °F July 5
Lowest daily high 21 °F January 6
Most daily precipitation 4.0 inches July 21
Most daily snow 4.1 inches March 21
Total annual precipitation 66.3 inches -
Total annual snow 7.3 inches -
January 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
26 13 0.00 0.0
26 13 0.00 0.0
35 13 0.00 0.0
27 16 0.10 0.8
21 13 0.00 0.0
21 11 0.00 0.0
23 8 0.00 0.0
39 19 0.06 0.0
51 30 0.00 0.0
43 27 0.00 0.0
62 38 0.00 0.0
64 57 0.37 0.0
62 21 0.11 0.0
28 17 0.00 0.0
32 18 0.00 0.0
43 30 0.00 0.0
37 20 0.03 0.4
47 19 0.00 0.0
51 25 0.00 0.0
63 28 0.00 0.0
61 32 0.00 0.0
65 47 0.00 0.0
68 47 0.11 0.0
48 35 0.00 0.0
42 31 0.00 0.0
50 28 0.00 0.0
63 38 0.00 0.0
57 47 0.16 0.0
48 41 0.00 0.0
41 24 0.00 0.0
41 21 0.00 0.0
February 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
54 40 0.02 0.0
43 19 0.04 0.0
36 17 0.00 0.0
37 33 1.12 0.0
39 27 0.00 0.0
43 28 0.00 0.0
43 33 0.49 0.0
38 26 0.00 0.0
46 27 0.00 0.0
50 39 1.06 0.0
68 45 1.05 0.0
65 37 0.09 0.0
43 33 0.00 0.0
53 34 0.03 0.0
74 47 0.01 0.0
67 40 0.05 0.0
44 34 0.42 0.2
51 33 0.00 0.0
50 40 0.02 0.0
78 49 0.00 0.0
82 56 0.00 0.0
67 43 0.06 0.0
48 41 0.00 0.0
53 48 0.16 0.0
54 47 0.17 0.0
53 41 0.00 0.0
58 36 0.00 0.0
64 44 0.00 0.0
March 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
59 49 0.09 0.0
54 39 0.01 0.0
53 36 0.00 0.0
53 35 0.00 0.0
49 31 0.00 0.0
46 33 0.30 0.4
51 34 0.03 0.0
46 34 0.00 0.0
46 33 0.00 0.0
49 31 0.00 0.0
52 31 0.00 0.0
46 34 0.01 0.0
47 33 0.00 0.0
44 32 0.00 0.0
55 31 0.00 0.0
47 34 0.00 0.0
46 32 0.00 0.0
59 34 0.00 0.0
56 36 0.00 0.0
43 32 0.87 0.0
36 32 0.49 4.1
49 34 0.00 0.0
51 35 0.00 0.0
52 33 0.00 0.0
48 34 0.00 0.0
50 34 0.00 0.0
48 34 0.02 0.0
58 43 0.10 0.0
78 48 0.00 0.0
77 45 0.00 0.0
61 39 0.00 0.0
April 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
67 50 0.00 0.0
54 42 0.02 0.0
56 44 0.01 0.0
73 42 0.00 0.0
56 34 0.00 0.0
72 44 0.00 0.0
67 37 0.00 0.0
51 34 0.00 0.0
46 38 0.02 0.0
55 38 0.00 0.0
57 43 0.00 0.0
78 45 0.00 0.0
86 60 0.00 0.0
85 63 0.00 0.0
69 48 0.13 0.0
62 45 1.88 0.0
49 40 0.00 0.0
62 36 0.00 0.0
59 43 0.03 0.0
61 38 0.00 0.0
63 42 0.00 0.0
67 48 0.00 0.0
69 50 0.00 0.0
63 55 0.46 0.0
67 55 0.32 0.0
73 50 0.00 0.0
64 54 0.72 0.0
78 51 0.00 0.0
58 45 0.00 0.0
73 41 0.00 0.0
May 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
83 49 0.00 0.0
91 56 0.00 0.0
90 64 0.00 0.0
90 69 0.00 0.0
76 62 0.00 0.0
73 59 0.00 0.0
77 58 0.00 0.0
78 58 0.00 0.0
80 57 0.00 0.0
83 61 0.00 0.0
85 61 0.00 0.0
90 67 0.15 0.0
73 63 0.52 0.0
81 62 1.49 0.0
89 66 0.41 0.0
75 67 0.82 0.0
69 66 0.97 0.0
69 57 1.01 0.0
72 57 0.77 0.0
89 68 0.00 0.0
82 67 0.00 0.0
80 65 1.23 0.0
83 66 0.00 0.0
87 63 0.00 0.0
86 63 0.00 0.0
87 71 0.03 0.0
85 68 0.00 0.0
72 64 0.01 0.0
83 69 0.00 0.0
81 71 0.00 0.0
86 70 1.32 0.0
June 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
90 71 0.00 0.0
86 73 0.05 0.0
75 58 1.65 0.0
80 56 0.00 0.0
84 61 0.00 0.0
78 63 0.00 0.0
79 62 0.00 0.0
84 65 0.96 0.0
86 70 0.10 0.0
81 65 0.00 0.0
67 61 0.42 0.0
79 58 0.00 0.0
85 68 0.00 0.0
87 73 0.00 0.0
85 67 0.00 0.0
89 64 0.00 0.0
89 73 0.00 0.0
92 74 0.00 0.0
95 77 1.12 0.0
86 73 0.13 0.0
86 72 0.00 0.0
77 67 0.57 0.0
81 67 0.06 0.0
91 71 0.11 0.0
85 70 0.00 0.0
84 65 0.00 0.0
82 71 0.04 0.0
89 75 0.00 0.0
93 73 0.00 0.0
91 72 0.00 0.0
July 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
93 75 0.00 0.0
95 78 0.00 0.0
97 80 0.00 0.0
93 80 0.00 0.0
92 80 0.00 0.0
89 79 0.00 0.0
82 68 0.00 0.0
85 64 0.00 0.0
88 64 0.00 0.0
96 71 0.00 0.0
94 78 0.00 0.0
92 73 0.00 0.0
89 71 0.00 0.0
91 70 0.00 0.0
88 74 0.00 0.0
98 76 0.00 0.0
92 74 2.79 0.0
88 70 0.00 0.0
88 71 0.00 0.0
86 71 0.00 0.0
75 67 4.00 0.0
83 65 1.35 0.0
85 76 0.06 0.0
83 75 0.32 0.0
86 74 0.67 0.0
89 73 0.00 0.0
91 75 0.00 0.0
87 72 0.00 0.0
87 70 0.00 0.0
78 72 0.51 0.0
84 71 0.03 0.0
August 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
89 74 0.25 0.0
86 75 1.03 0.0
84 73 0.31 0.0
90 73 0.11 0.0
91 74 0.00 0.0
91 74 0.18 0.0
91 75 0.12 0.0
94 75 0.00 0.0
92 75 0.00 0.0
92 75 0.00 0.0
91 76 0.01 0.0
87 74 0.36 0.0
88 72 0.00 0.0
87 69 0.00 0.0
92 72 0.00 0.0
90 73 0.00 0.0
94 78 0.00 0.0
90 76 0.00 0.0
87 72 0.00 0.0
82 71 0.00 0.0
82 73 2.46 0.0
86 72 0.02 0.0
81 66 0.00 0.0
84 63 0.00 0.0
82 67 0.00 0.0
88 68 0.00 0.0
91 75 0.00 0.0
94 78 0.00 0.0
94 79 0.00 0.0
93 78 0.04 0.0
90 75 0.30 0.0
September 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
89 74 0.81 0.0
89 74 0.00 0.0
93 78 0.00 0.0
95 79 0.00 0.0
93 78 0.00 0.0
93 78 0.00 0.0
91 72 2.89 0.0
77 63 0.45 0.0
67 62 1.59 0.0
76 65 0.02 0.0
77 71 0.00 0.0
86 71 0.01 0.0
82 73 0.00 0.0
78 72 0.00 0.0
83 70 0.00 0.0
83 69 0.00 0.0
80 72 1.26 0.0
84 73 0.22 0.0
87 72 0.00 0.0
83 69 0.00 0.0
78 68 0.28 0.0
80 65 0.01 0.0
66 61 0.71 0.0
68 63 0.29 0.0
82 68 0.10 0.0
87 72 0.19 0.0
73 59 0.59 0.0
77 60 0.31 0.0
80 63 0.00 0.0
76 60 0.00 0.0
October 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
81 64 0.00 0.0
84 66 0.00 0.0
87 69 0.00 0.0
90 68 0.00 0.0
77 66 0.00 0.0
75 66 0.00 0.0
82 71 0.00 0.0
85 71 0.00 0.0
83 72 0.00 0.0
84 73 0.00 0.0
83 70 1.51 0.0
70 55 0.00 0.0
62 49 0.02 0.0
60 48 0.01 0.0
74 59 0.18 0.0
67 56 0.00 0.0
70 53 0.00 0.0
59 47 0.00 0.0
66 43 0.02 0.0
69 53 0.07 0.0
56 42 0.00 0.0
58 38 0.00 0.0
72 45 0.00 0.0
58 43 0.00 0.0
55 40 0.00 0.0
51 45 0.74 0.0
54 49 0.49 0.0
62 50 0.02 0.0
62 48 0.00 0.0
65 43 0.00 0.0
69 47 0.00 0.0
November 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
76 57 0.00 0.0
73 56 0.75 0.0
61 47 0.03 0.0
59 42 0.00 0.0
58 53 1.44 0.0
61 54 0.79 0.0
66 48 0.00 0.0
61 50 0.00 0.0
52 46 0.54 0.0
50 33 0.00 0.0
48 31 0.00 0.0
50 36 0.60 0.0
50 44 0.34 0.0
46 38 0.00 0.0
41 32 1.15 1.4
54 37 0.05 0.0
51 40 0.00 0.0
52 34 0.00 0.0
59 40 0.00 0.0
56 42 0.00 0.0
55 33 0.00 0.0
42 29 0.00 0.0
35 28 0.00 0.0
48 34 1.42 0.0
60 38 0.00 0.0
52 42 0.45 0.0
45 37 0.00 0.0
40 32 0.00 0.0
42 31 0.00 0.0
47 38 0.01 0.0
December 2018 Washington D.C. Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
45 36 0.21 0.0
58 45 0.11 0.0
62 48 0.00 0.0
48 35 0.00 0.0
41 33 0.00 0.0
45 33 0.00 0.0
44 33 0.00 0.0
40 27 0.00 0.0
35 32 0.00 0.0
41 30 0.00 0.0
47 26 0.00 0.0
47 30 0.00 0.0
54 39 0.00 0.0
49 37 0.29 0.0
55 48 2.55 0.0
50 43 0.60 0.0
58 42 0.00 0.0
47 34 0.00 0.0
51 30 0.00 0.0
62 36 0.36 0.0
67 47 0.17 0.0
53 42 0.00 0.0
49 37 0.02 0.0
48 40 0.00 0.0
44 31 0.00 0.0
47 31 0.00 0.0
53 33 0.01 0.0
57 44 1.02 0.0
58 41 0.00 0.0
47 39 0.00 0.0
51 39 0.48 0.0
Weather Station Details
Years Station Coordinates
1945–2023 Washington Reagan Airport location
1851–1945 Washington D.C. location