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Report for 2026 August
Monthly Climatological Summary for Aug 2026
Name: NapervilleWather.com City: Naperville State: IL
Elevation: 781 ft Lat: N 41° 47' 23" Lon: W 088° 07' 27"
Temperature (°F), Rain (in), Wind Speed (mph)
Heat Cool Avg
Mean Deg Deg Wind Dom
Day Temp High Time Low Time Days Days Rain Speed High Time Dir
----------------------------------------------------------------------------------
1 68.0 70.2 00:45 65.8 06:38 0.0 3.0 0.19 0.8 8.0 05:18 ENE
2 71.0 78.2 17:19 66.1 23:58 0.0 5.9 0.00 0.5 6.0 16:46 N
3 72.4 84.2 16:31 62.0 05:46 0.5 7.8 0.00 0.1 5.0 11:24 NW
4 75.0 87.4 16:18 64.7 06:22 0.0 10.0 0.00 0.1 5.0 09:39 SE
5 74.6 81.3 16:14 69.3 22:54 0.0 9.5 0.03 0.1 7.0 16:42 NNW
6 72.8 79.7 17:38 68.7 06:12 0.0 7.7 0.20 0.0 2.0 05:41 ENE
7 76.0 87.3 15:26 66.8 06:20 0.0 10.9 0.00 0.1 3.0 12:23 ESE
8 75.3 85.3 15:35 67.2 23:51 0.0 10.2 0.00 0.5 9.0 12:08 NW
9 72.4 84.0 12:35 63.4 04:26 0.1 7.4 0.00 0.2 12.0 14:09 SE
10 78.3 86.8 15:02 69.6 02:43 0.0 13.2 0.02 0.0 3.0 09:06 NNE
11 73.8 77.5 16:32 67.9 11:00 0.0 8.7 1.19 0.1 19.0 10:34 NNE
12 73.9 82.5 16:31 68.5 11:04 0.0 8.9 0.25 0.1 7.0 09:59 NW
13 71.9 76.8 11:30 67.6 05:23 0.0 6.9 0.29 0.1 5.0 16:40 E
14 73.0 78.4 15:40 68.5 06:30 0.0 8.0 0.13 0.1 5.0 12:20 E
15 74.4 77.8 17:41 71.3 03:20 0.0 9.3 0.51 0.0 2.0 00:00 ---
16 76.9 84.5 14:08 71.4 02:36 0.0 11.8 0.17 0.4 7.0 11:00 NNW
17 72.8 84.1 16:06 64.9 05:13 0.0 7.7 0.00 0.4 8.0 15:39 NW
18 71.3 78.4 12:16 63.4 06:06 0.1 6.5 0.16 0.1 6.0 10:27 SSE
19 71.9 84.9 14:49 64.4 06:15 0.0 6.9 0.00 0.1 5.0 16:14 E
20 71.7 83.7 15:37 62.8 06:57 0.3 7.0 0.00 0.2 5.0 14:24 NW
21 69.0 81.0 15:02 59.6 05:52 1.3 5.3 0.01 0.0 3.0 11:20 SE
22 72.1 83.2 15:48 64.8 07:14 0.0 7.1 0.00 1.0 13.0 15:06 NW
23 67.7 77.5 14:46 58.7 06:25 1.4 4.1 0.00 0.7 10.0 15:35 NNW
24 67.8 82.4 15:32 55.7 06:22 2.6 5.4 0.00 0.4 9.0 13:40 NW
25 68.9 82.2 14:38 58.2 06:40 1.9 5.8 0.00 0.1 5.0 16:17 SSW
26 74.0 85.0 15:54 67.4 03:04 0.0 9.0 0.00 0.6 10.0 17:13 NW
27 73.5 85.5 16:18 63.5 05:59 0.1 8.6 0.00 0.3 7.0 11:29 NW
28 72.8 86.1 15:31 63.9 06:42 0.1 7.8 0.00 0.1 4.0 15:12 ENE
29 70.6 79.5 13:43 60.9 06:00 0.7 6.2 0.00 0.1 3.0 13:51 SSE
----------------------------------------------------------------------------------
72.5 87.4 4 55.7 24 9.1 226.6 3.15 0.3 19.0 11 NNW
Max >= 80.0: 19
Max <= 25.2: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 1.19 on day 11
Days of Rain: 12 (>= 0.01 in) 9 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration