Kennewick Weather in 2018

Historical record of Kennewick, Washington weather for the year 2018 based on NOAA data.
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2018 Kennewick Weather Extremes
Highest temperature 107 °F July 13
Lowest temperature 11 °F February 23
Highest daily low 72 °F August 1
Lowest daily high 31 °F December 6
Most daily precipitation 0.5 inches October 9
Most daily snow none -
Total annual precipitation 6.6 inches -
Total annual snow none -
Highest Temperatures in Kennewick in 2018
Rank Temperature Date
1 107 °F Jul 13
2 106 °F Aug 10
2 106 °F Jul 17
4 105 °F Aug 9
4 105 °F Aug 8
6 103 °F Jul 31
6 103 °F Jul 30
6 103 °F Jul 16
9 102 °F Aug 7
10 101 °F Jul 29
10 101 °F Jul 26
Lowest Temperatures in Kennewick in 2018
Rank Temperature Date
1 11 °F February 23
2 13 °F February 21
3 14 °F February 20
4 16 °F February 19
5 17 °F February 13
6 18 °F November 11
7 19 °F November 9
7 19 °F February 22
7 19 °F February 12
10 20 °F November 18
10 20 °F November 8
10 20 °F March 6
10 20 °F March 4
10 20 °F February 26
January 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
32 22 0.00
32 29 0.00
36 26 0.00
33 24 0.00
36 30 0.06
44 30 0.00
37 31 0.01
38 31 0.00
43 35 0.23
50 37 0.01
41 35 0.28
43 32 0.00
50 32 0.00
42 27 0.00
41 34 0.00
55 30 0.22
44 32 0.00
49 37 0.05
51 34 0.00
51 32 0.00
52 28 0.00
52 33 0.00
40 31 0.07
54 38 0.01
50 33 0.00
49 39 0.00
55 41 0.01
50 43 0.01
53 42 0.01
54 28 0.00
49 29 0.00
February 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
51 31 0.17
62 35 0.00
61 52 0.00
64 49 0.00
62 36 0.00
58 27 0.00
56 37 0.00
66 43 0.00
51 32 0.00
46 26 0.00
44 28 0.00
41 19 0.00
47 17 0.00
50 30 0.22
49 25 0.00
55 39 0.01
61 41 0.00
44 26 0.00
34 16 0.00
36 14 0.00
34 13 0.00
37 19 0.00
35 11 0.00
44 27 0.00
53 31 0.00
49 20 0.00
50 29 0.00
54 33 0.00
March 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
54 31 0.16
51 27 0.00
49 22 0.00
53 20 0.00
54 27 0.00
54 20 0.00
53 22 0.00
57 29 0.01
59 29 0.00
61 21 0.00
62 32 0.00
70 28 0.00
62 34 0.06
61 38 0.04
58 34 0.00
57 30 0.00
59 32 0.00
59 37 0.00
61 30 0.00
63 24 0.00
57 33 0.03
54 36 0.03
57 27 0.08
55 33 0.08
56 28 0.00
52 32 0.00
64 45 0.00
64 31 0.00
66 33 0.00
67 44 0.00
60 30 0.00
April 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
59 31 0.00
57 30 0.00
55 28 0.00
57 44 0.06
54 46 0.13
68 47 0.00
66 45 0.37
64 46 0.00
67 40 0.00
69 43 0.00
64 45 0.30
61 43 0.03
59 42 0.03
67 51 0.00
64 49 0.13
59 44 0.00
61 43 0.00
65 33 0.00
69 34 0.00
72 36 0.00
68 41 0.00
65 31 0.00
71 29 0.00
77 33 0.00
80 40 0.00
86 36 0.00
88 43 0.18
70 48 0.12
70 45 0.00
69 46 0.00
May 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
72 47 0.00
77 42 0.00
84 42 0.00
83 59 0.00
78 54 0.00
75 49 0.30
82 55 0.00
88 49 0.05
76 55 0.10
71 48 0.04
69 47 0.27
83 43 0.00
87 46 0.00
92 48 0.00
92 49 0.00
80 63 0.00
81 60 0.00
75 56 0.00
80 48 0.00
81 53 0.00
84 56 0.00
89 52 0.00
91 55 0.00
91 60 0.00
85 52 0.00
79 55 0.00
83 52 0.00
91 49 0.00
78 49 0.00
73 39 0.00
72 43 0.00
June 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
77 50 0.00
86 44 0.00
90 48 0.00
78 53 0.00
80 44 0.00
82 45 0.00
88 49 0.00
88 58 0.00
66 51 0.03
72 50 0.00
76 42 0.00
81 39 0.00
86 51 0.00
78 50 0.00
83 45 0.00
78 58 0.03
88 54 0.00
71 61 0.04
87 59 0.00
94 56 0.00
95 66 0.00
91 60 0.00
86 59 0.00
95 55 0.00
85 58 0.00
82 46 0.00
88 45 0.00
84 61 0.00
85 54 0.01
89 52 0.00
July 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
87 55 0.00
80 49 0.00
81 52 0.00
92 49 0.00
97 58 0.00
94 69 0.00
89 59 0.00
93 52 0.00
98 54 0.00
88 63 0.00
90 53 0.00
98 55 0.00
107 57 0.00
94 57 0.00
99 51 0.00
103 53 0.00
106 60 0.00
100 69 0.00
95 62 0.00
89 55 0.00
87 49 0.00
91 51 0.00
98 51 0.00
99 54 0.00
100 57 0.00
101 57 0.00
100 58 0.00
98 58 0.00
101 59 0.00
103 56 0.00
103 59 0.00
August 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
100 72 0.00
96 54 0.00
87 60 0.00
88 52 0.00
95 53 0.00
99 52 0.00
102 55 0.00
105 56 0.00
105 58 0.00
106 62 0.00
93 61 0.00
84 52 0.00
88 50 0.00
92 51 0.00
96 51 0.00
100 64 0.00
93 62 0.00
93 55 0.00
89 56 0.00
89 54 0.00
88 58 0.00
94 50 0.00
91 54 0.00
80 58 0.00
75 51 0.00
77 53 0.00
79 51 0.00
85 47 0.00
94 47 0.00
85 56 0.00
82 51 0.00
September 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
82 47 0.00
86 44 0.00
85 48 0.00
84 47 0.00
86 46 0.00
88 47 0.00
94 51 0.00
83 59 0.00
84 52 0.00
82 59 0.00
77 54 0.00
76 50 0.00
76 51 0.00
77 42 0.00
76 46 0.00
76 50 0.00
72 39 0.00
75 39 0.00
79 39 0.00
74 44 0.00
82 43 0.00
74 57 0.00
72 44 0.00
75 38 0.00
78 38 0.00
80 38 0.00
82 42 0.00
80 49 0.00
76 44 0.00
65 47 0.00
October 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
74 49 0.00
77 48 0.00
62 33 0.00
65 39 0.00
59 33 0.08
61 42 0.08
63 37 0.00
63 46 0.04
59 49 0.50
65 37 0.00
65 32 0.00
73 35 0.00
66 35 0.00
63 27 0.00
65 29 0.00
66 28 0.00
64 30 0.00
67 30 0.00
67 30 0.00
65 30 0.00
64 32 0.00
64 32 0.00
65 35 0.00
64 43 0.00
60 42 0.03
68 51 0.04
67 36 0.00
65 48 0.00
n/a 43 0.00
61 30 0.00
62 47 0.03
November 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
67 53 0.00
72 54 0.00
63 52 0.00
71 40 0.01
65 36 0.00
61 36 0.00
56 28 0.00
51 20 0.00
43 19 0.00
46 21 0.00
34 18 0.00
34 29 0.00
35 31 0.00
48 31 0.00
45 24 0.00
56 28 0.00
49 21 0.00
37 20 0.00
34 26 0.00
31 29 0.00
34 29 0.00
45 27 0.08
53 33 0.20
54 25 0.00
47 23 0.00
40 25 0.09
53 38 0.12
56 37 0.08
47 41 0.04
53 37 0.23
December 2018 Kennewick Weather
Day High (°F) Low (°F) Precip. (inches)
43 29 0.00
45 28 0.00
41 28 0.00
36 28 0.00
33 25 0.00
31 21 0.00
33 28 0.00
33 25 0.00
35 23 0.03
35 26 0.01
52 31 0.11
50 38 0.00
53 37 0.00
49 33 0.00
51 37 0.00
41 38 0.21
55 34 0.05
56 47 0.08
52 36 0.00
55 33 0.00
48 30 0.00
39 22 0.03
45 29 0.08
40 35 0.09
40 36 0.00
38 33 0.02
36 29 0.00
46 29 0.17
57 42 0.00
53 31 0.00
42 21 0.00
Weather Station Details
Years Station Coordinates
1999–2024 Pasco Tri Cities Airport location
1894–1998 Kennewick location