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Johnston County
 Details for Johnston County Heat Advisory
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Portofino Weather Station Historical Data
 
Daily Summary for August 18, 2026 Units:  English    Metric   Both
Daily Weekly Monthly Yearly
  Current: High: Low: Average:
Temperature: 94 °F 94 °F 74.7 °F 81.5 °F
Dew Point: 77.7 °F 78.5 °F 73.2 °F 75.8 °F
Humidity: 59.2% 96% 58% 84%
Wind Speed: 3.3mph 7mph 0mph 2.1mph
Wind Gust: 6.9mph 13.8mph - -
WindWest - - SW
Pressure: 29.89 in 29.91 in 29.86 in -
Precipitation: 0.00 in      
 
 
Tabular Data for August 18, 2026
Time Temperature Dew Point Pressure Wind Wind Speed Wind Gust Humidity Rainfall Rate (Hourly)
00:09 78.3 °F 76.4 °F 29.89 in SSE 0.8 mph 1.2 mph 94% 0.00 in
00:14 78.3 °F 76.4 °F 29.89 in SSE 0.3 mph 1.2 mph 94% 0.00 in
00:19 78.2 °F 76.3 °F 29.89 in Calm     94% 0.00 in
00:24 78.2 °F 76.3 °F 29.89 in Calm     94% 0.00 in
00:29 78.2 °F 76.3 °F 29.89 in Calm     94% 0.00 in
00:34 78.2 °F 76.3 °F 29.89 in Calm     94% 0.00 in
00:39 78.2 °F 76.3 °F 29.89 in SSE 0.2 mph 1.2 mph 94% 0.00 in
00:44 78.1 °F 76.2 °F 29.89 in Calm     94% 0.00 in
00:49 78.1 °F 76.2 °F 29.89 in Calm     94% 0.00 in
00:54 78.1 °F 76.2 °F 29.89 in Calm     94% 0.00 in
00:59 78.1 °F 76.2 °F 29.89 in Calm     94% 0.00 in
01:04 78 °F 76.1 °F 29.89 in Calm     94% 0.00 in
01:09 78 °F 76.1 °F 29.89 in SSE 0.1 mph 1.2 mph 94% 0.00 in
01:14 78 °F 76.1 °F 29.89 in SSE 0.8 mph 2.3 mph 94% 0.00 in
01:19 78 °F 76.1 °F 29.88 in SSE 0.9 mph 2.3 mph 94% 0.00 in
01:24 78 °F 76.1 °F 29.88 in SE 0.6 mph 2.3 mph 94% 0.00 in
01:29 77.9 °F 76 °F 29.88 in SE 1.6 mph 2.3 mph 94% 0.00 in
01:34 77.7 °F 75.8 °F 29.87 in Calm   1.2 mph 94% 0.00 in
01:39 77.6 °F 75.7 °F 29.87 in Calm     94% 0.00 in
01:44 77.5 °F 75.6 °F 29.88 in SE 0.1 mph 1.2 mph 94% 0.00 in
01:49 77.5 °F 75.6 °F 29.88 in SE 0.1 mph 1.2 mph 94% 0.00 in
01:54 77.4 °F 75.5 °F 29.88 in SE 0.3 mph 1.2 mph 94% 0.00 in
01:59 77.4 °F 75.5 °F 29.88 in WSW 0.4 mph 2.3 mph 94% 0.00 in
02:04 77.4 °F 75.5 °F 29.88 in NNW 0.8 mph 2.3 mph 94% 0.00 in
02:09 77.4 °F 75.5 °F 29.88 in NE 1 mph 3.5 mph 94% 0.00 in
02:14 77.3 °F 75.4 °F 29.88 in East 1.1 mph 2.3 mph 94% 0.00 in
02:19 77.2 °F 75.3 °F 29.87 in East 1.1 mph 2.3 mph 94% 0.00 in
02:24 77 °F 75.1 °F 29.87 in East 0.1 mph 1.2 mph 94% 0.00 in
02:29 76.9 °F 75 °F 29.87 in NE 0.8 mph 2.3 mph 94% 0.00 in
02:34 76.9 °F 75 °F 29.87 in NE 0.5 mph 2.3 mph 94% 0.00 in
02:39 76.9 °F 75 °F 29.87 in NNE 0.8 mph 2.3 mph 94% 0.00 in
02:44 76.9 °F 75.2 °F 29.88 in WNW 1.1 mph 2.3 mph 94.3% 0.00 in
02:49 77 °F 75.5 °F 29.88 in North 0.4 mph 1.2 mph 95% 0.00 in
02:54 77 °F 75.4 °F 29.88 in NE 0.7 mph 2.3 mph 94.9% 0.00 in
02:59 76.8 °F 74.9 °F 29.88 in ESE 1.5 mph 2.3 mph 94% 0.00 in
03:04 76.7 °F 74.9 °F 29.87 in ESE 0.9 mph 2.3 mph 94.4% 0.00 in
03:09 76.6 °F 75.1 °F 29.87 in East 0.3 mph 2.3 mph 95% 0.00 in
03:14 76.5 °F 75 °F 29.87 in East 0.3 mph 1.2 mph 95% 0.00 in
03:19 76.5 °F 75 °F 29.87 in ESE 0.7 mph 2.3 mph 95% 0.00 in
03:24 76.4 °F 74.9 °F 29.87 in SE 1.5 mph 2.3 mph 95% 0.00 in
03:29 76.3 °F 74.8 °F 29.87 in South 0.8 mph 2.3 mph 95% 0.00 in
03:34 76.3 °F 74.8 °F 29.87 in ESE 0.1 mph 2.3 mph 95% 0.00 in
03:39 76.3 °F 74.8 °F 29.87 in ESE 1.4 mph 2.3 mph 95% 0.00 in
03:44 76.2 °F 74.7 °F 29.87 in Calm   1.2 mph 95% 0.00 in
03:49 76.2 °F 74.7 °F 29.87 in East 0.3 mph 1.2 mph 95% 0.00 in
03:54 76.2 °F 74.7 °F 29.87 in NNE 0.4 mph 2.3 mph 95% 0.00 in
03:59 76.2 °F 74.7 °F 29.87 in NW 1.2 mph 2.3 mph 95% 0.00 in
04:04 76.3 °F 74.8 °F 29.87 in West 0.3 mph 1.2 mph 95% 0.00 in
04:09 76.3 °F 74.8 °F 29.87 in SSE 0.5 mph 2.3 mph 95% 0.00 in
04:14 76.2 °F 74.7 °F 29.87 in ESE 1.6 mph 2.3 mph 95% 0.00 in
04:19 75.9 °F 74.4 °F 29.87 in ESE 1.5 mph 2.3 mph 95% 0.00 in
04:24 75.7 °F 74.2 °F 29.87 in East 1.4 mph 2.3 mph 95% 0.00 in
04:29 75.6 °F 74.1 °F 29.87 in East 1 mph 2.3 mph 95% 0.00 in
04:34 75.5 °F 74 °F 29.86 in ESE 0.1 mph 1.2 mph 95% 0.00 in
04:39 75.4 °F 73.9 °F 29.86 in ESE 0.2 mph 1.2 mph 95% 0.00 in
04:44 75.4 °F 73.9 °F 29.87 in Calm   1.2 mph 95% 0.00 in
04:49 75.3 °F 73.8 °F 29.87 in Calm     95% 0.00 in
04:54 75.3 °F 73.8 °F 29.87 in Calm     95% 0.00 in
04:59 75.3 °F 73.8 °F 29.87 in ESE 0.6 mph 1.2 mph 95% 0.00 in
05:04 75.3 °F 73.8 °F 29.87 in ESE 0.2 mph 1.2 mph 95% 0.00 in
05:09 75.3 °F 73.8 °F 29.87 in ESE 0.3 mph 1.2 mph 95% 0.00 in
05:14 75.3 °F 73.8 °F 29.87 in ESE 0.2 mph 1.2 mph 95% 0.00 in
05:19 75.2 °F 73.7 °F 29.87 in Calm   2.3 mph 95% 0.00 in
05:24 75.1 °F 73.6 °F 29.87 in ESE 1.3 mph 2.3 mph 95% 0.00 in
05:29 75 °F 73.5 °F 29.87 in ESE 0.1 mph 1.2 mph 95% 0.00 in
05:34 74.9 °F 73.4 °F 29.87 in Calm     95% 0.00 in
05:39 74.9 °F 73.4 °F 29.87 in ESE 0.2 mph 1.2 mph 95% 0.00 in
05:44 74.8 °F 73.3 °F 29.87 in Calm     95% 0.00 in
05:49 74.7 °F 73.2 °F 29.87 in SE 0.1 mph 1.2 mph 95% 0.00 in
05:54 74.9 °F 73.5 °F 29.87 in South 0.8 mph 2.3 mph 95.3% 0.00 in
05:59 75 °F 73.8 °F 29.87 in Calm   1.2 mph 96% 0.00 in
06:04 75 °F 73.8 °F 29.87 in South 0.4 mph 1.2 mph 96% 0.00 in
06:09 74.9 °F 73.6 °F 29.87 in South 0.3 mph 1.2 mph 95.7% 0.00 in
06:14 74.8 °F 73.3 °F 29.88 in South 0.6 mph 1.2 mph 95% 0.00 in
06:19 74.7 °F 73.2 °F 29.88 in Calm   1.2 mph 95% 0.00 in
06:24 74.7 °F 73.2 °F 29.88 in Calm     95.1% 0.00 in
06:29 74.7 °F 73.5 °F 29.88 in Calm     96% 0.00 in
06:34 74.8 °F 73.6 °F 29.88 in Calm     96% 0.00 in
06:39 74.8 °F 73.6 °F 29.88 in South 0.1 mph 1.2 mph 96% 0.00 in
06:44 74.8 °F 73.6 °F 29.88 in Calm     96% 0.00 in
06:49 74.8 °F 73.6 °F 29.87 in Calm     96% 0.00 in
06:54 74.7 °F 73.5 °F 29.87 in South 0.6 mph 1.2 mph 96% 0.00 in
06:59 74.7 °F 73.5 °F 29.87 in South 0.2 mph 1.2 mph 96% 0.00 in
07:04 74.7 °F 73.5 °F 29.87 in Calm     96% 0.00 in
07:09 74.8 °F 73.6 °F 29.87 in Calm     96% 0.00 in
07:14 74.9 °F 73.7 °F 29.88 in Calm     96% 0.00 in
07:19 75.1 °F 73.9 °F 29.88 in SSE 0.4 mph 2.3 mph 96% 0.00 in
07:24 75.2 °F 74 °F 29.88 in SE 0.5 mph 1.2 mph 96% 0.00 in
07:29 75.3 °F 74.1 °F 29.89 in SSW 0.3 mph 1.2 mph 96% 0.00 in
07:34 75.5 °F 74.3 °F 29.89 in Calm     96% 0.00 in
07:39 75.8 °F 74.6 °F 29.89 in Calm     96% 0.00 in
07:44 76.1 °F 74.9 °F 29.89 in SW 0.4 mph 1.2 mph 96% 0.00 in
07:49 76.4 °F 75.2 °F 29.89 in SW 0.5 mph 1.2 mph 96% 0.00 in
07:54 76.7 °F 75.5 °F 29.89 in South 1.3 mph 3.5 mph 96% 0.00 in
07:59 76.8 °F 75.6 °F 29.89 in SW 0.8 mph 2.3 mph 96% 0.00 in
08:04 76.9 °F 75.7 °F 29.89 in WNW 0.1 mph 1.2 mph 96% 0.00 in
08:09 77.1 °F 75.9 °F 29.89 in WNW 0.8 mph 3.5 mph 96% 0.00 in
08:14 77.2 °F 76 °F 29.90 in NW 0.8 mph 3.5 mph 96% 0.00 in
08:19 77.2 °F 76 °F 29.90 in NW 1 mph 2.3 mph 96% 0.00 in
08:24 77.3 °F 76.1 °F 29.90 in NNW 1.5 mph 2.3 mph 96% 0.00 in
08:29 77.6 °F 76.4 °F 29.91 in NW 0.9 mph 2.3 mph 96% 0.00 in
08:34 78 °F 76.5 °F 29.91 in NNW 1.7 mph 4.6 mph 95.2% 0.00 in
08:39 78.5 °F 76.9 °F 29.91 in NNW 2.2 mph 6.9 mph 95% 0.00 in
08:44 79.1 °F 77.1 °F 29.91 in NW 3.6 mph 6.9 mph 93.8% 0.00 in
08:49 79.9 °F 77.1 °F 29.91 in NW 2.1 mph 5.8 mph 91.4% 0.00 in
08:54 80.6 °F 77.2 °F 29.91 in WNW 2.3 mph 5.8 mph 89.3% 0.00 in
08:59 81.3 °F 76.9 °F 29.91 in NNW 4.8 mph 8.1 mph 86.4% 0.00 in
09:04 81.9 °F 76.9 °F 29.91 in NNW 4.4 mph 10.4 mph 85.1% 0.00 in
09:09 82.4 °F 77.2 °F 29.91 in NW 3.8 mph 8.1 mph 84.5% 0.00 in
09:14 82.9 °F 77.2 °F 29.91 in NNW 3 mph 5.8 mph 83.1% 0.00 in
09:19 83.2 °F 77 °F 29.91 in NW 5 mph 8.1 mph 81.7% 0.00 in
09:24 83.2 °F 77.1 °F 29.91 in NNW 4.5 mph 6.9 mph 81.8% 0.00 in
09:29 83.4 °F 77.3 °F 29.91 in NW 4.1 mph 8.1 mph 81.9% 0.00 in
09:34 83.8 °F 77.7 °F 29.91 in NW 3.4 mph 6.9 mph 82% 0.00 in
09:39 84.2 °F 77.4 °F 29.91 in NNW 5.7 mph 11.5 mph 80.2% 0.00 in
09:44 84.5 °F 77.7 °F 29.91 in NNW 6.3 mph 13.8 mph 80% 0.00 in
09:49 85 °F 77.7 °F 29.91 in NNW 5.6 mph 9.2 mph 78.8% 0.00 in
09:54 85.4 °F 77.8 °F 29.91 in NW 3.8 mph 8.1 mph 78% 0.00 in
09:59 85.7 °F 77.5 °F 29.91 in WNW 4.5 mph 12.7 mph 76.6% 0.00 in
10:04 85.8 °F 77.4 °F 29.91 in NW 5.9 mph 12.7 mph 76.1% 0.00 in
10:09 85.8 °F 77.2 °F 29.91 in NW 4.4 mph 13.8 mph 75.5% 0.00 in
10:14 86.1 °F 77.2 °F 29.91 in NW 5.1 mph 10.4 mph 75% 0.00 in
10:19 86.4 °F 77.5 °F 29.91 in NNW 4.6 mph 8.1 mph 75% 0.00 in
10:24 86.9 °F 77.8 °F 29.91 in NNW 3.5 mph 10.4 mph 74.7% 0.00 in
10:29 87.4 °F 77.7 °F 29.91 in NNW 4.8 mph 11.5 mph 73.2% 0.00 in
10:34 87.8 °F 77.6 °F 29.91 in NNW 5.3 mph 11.5 mph 72% 0.00 in
10:39 87.9 °F 76.9 °F 29.91 in NNW 6.8 mph 11.5 mph 70% 0.00 in
10:44 88.2 °F 76.9 °F 29.91 in NNW 4.4 mph 10.4 mph 69.5% 0.00 in
10:49 88.8 °F 77.6 °F 29.91 in NNW 3.8 mph 6.9 mph 69.6% 0.00 in
10:54 89.4 °F 77.8 °F 29.91 in NNW 4.4 mph 9.2 mph 68.8% 0.00 in
10:59 89.5 °F 77.8 °F 29.91 in NNW 5 mph 8.1 mph 68.8% 0.00 in
11:04 89.4 °F 77.7 °F 29.90 in North 5.3 mph 12.7 mph 68.7% 0.00 in
11:09 89.4 °F 78.1 °F 29.90 in North 7 mph 12.7 mph 69.4% 0.00 in
11:14 89.2 °F 77.8 °F 29.91 in North 5.5 mph 11.5 mph 69.1% 0.00 in
11:19 89.9 °F 78.2 °F 29.91 in North 4.3 mph 8.1 mph 68.7% 0.00 in
11:24 89.6 °F 77 °F 29.91 in NW 5.7 mph 10.4 mph 66.5% 0.00 in
11:29 89.2 °F 76.7 °F 29.91 in NW 4.9 mph 9.2 mph 66.8% 0.00 in
11:34 89.3 °F 77 °F 29.91 in NW 4.5 mph 8.1 mph 67.3% 0.00 in
11:39 89.5 °F 76.7 °F 29.91 in NW 5.4 mph 11.5 mph 66.3% 0.00 in
11:44 89.8 °F 77 °F 29.91 in NW 3.1 mph 8.1 mph 66.3% 0.00 in
11:49 90 °F 76.8 °F 29.90 in NNW 4.5 mph 9.2 mph 65.3% 0.00 in
11:54 90.4 °F 77.3 °F 29.90 in NNW 4.2 mph 9.2 mph 65.7% 0.00 in
11:59 90.5 °F 76.9 °F 29.90 in North 6.4 mph 12.7 mph 64.7% 0.00 in
12:04 90.6 °F 77.5 °F 29.90 in NW 3.7 mph 8.1 mph 65.6% 0.00 in
12:09 90.4 °F 76.4 °F 29.90 in NW 4.7 mph 10.4 mph 63.6% 0.00 in
12:14 90.7 °F 77.4 °F 29.90 in NNW 3.2 mph 6.9 mph 65.1% 0.00 in
12:19 90.6 °F 77.1 °F 29.90 in NW 3.6 mph 6.9 mph 64.8% 0.00 in
12:24 90.7 °F 77.4 °F 29.90 in West 4 mph 8.1 mph 65.1% 0.00 in
12:29 90 °F 76.6 °F 29.90 in SW 4.2 mph 8.1 mph 64.9% 0.00 in
12:34 90.7 °F 77.8 °F 29.90 in NW 2.5 mph 6.9 mph 66.1% 0.00 in
12:39 91.4 °F 76.5 °F 29.90 in NW 4.1 mph 8.1 mph 61.8% 0.00 in
12:44 91.5 °F 76.6 °F 29.90 in North 6.5 mph 13.8 mph 62% 0.00 in
12:49 91.7 °F 77.1 °F 29.89 in NNW 3.3 mph 10.4 mph 62.6% 0.00 in
12:54 91.9 °F 77.5 °F 29.89 in NW 4.1 mph 10.4 mph 62.9% 0.00 in
12:59 92.5 °F 78.1 °F 29.89 in NNW 3.7 mph 6.9 mph 63% 0.00 in
13:04 92.3 °F 76.4 °F 29.89 in NNW 3.6 mph 6.9 mph 59.8% 0.00 in
13:09 91.9 °F 76.9 °F 29.89 in WNW 2.4 mph 6.9 mph 62% 0.00 in
13:14 91.7 °F 76.8 °F 29.89 in NNE 3.1 mph 6.9 mph 62% 0.00 in
13:19 92.4 °F 77.8 °F 29.89 in North 4.7 mph 10.4 mph 62.7% 0.00 in
13:24 92.8 °F 77.8 °F 29.89 in NNW 3.9 mph 10.4 mph 61.9% 0.00 in
13:29 92.8 °F 77.1 °F 29.89 in NNW 4.8 mph 9.2 mph 60.3% 0.00 in
13:34 92.1 °F 76.6 °F 29.89 in North 5.2 mph 11.5 mph 60.9% 0.00 in
13:39 91.3 °F 76.5 °F 29.89 in North 6.1 mph 12.7 mph 62.1% 0.00 in
13:44 91.6 °F 77.6 °F 29.89 in NNE 4.1 mph 12.7 mph 63.8% 0.00 in
13:49 91.6 °F 76.7 °F 29.89 in North 5.1 mph 12.7 mph 62% 0.00 in
13:54 91.5 °F 77.7 °F 29.89 in NW 4.5 mph 8.1 mph 64.2% 0.00 in
13:59 92.3 °F 77.3 °F 29.89 in WNW 4.8 mph 10.4 mph 61.8% 0.00 in
14:04 92.4 °F 77.3 °F 29.89 in West 4.1 mph 8.1 mph 61.7% 0.00 in
14:09 92.2 °F 77 °F 29.89 in WNW 3.4 mph 8.1 mph 61.5% 0.00 in
14:14 92.1 °F 76.9 °F 29.89 in NNW 5.1 mph 8.1 mph 61.4% 0.00 in
14:19 92.2 °F 76.9 °F 29.89 in NNW 6 mph 13.8 mph 61.3% 0.00 in
14:24 92.2 °F 77.3 °F 29.89 in North 4.7 mph 10.4 mph 61.9% 0.00 in
14:29 93.2 °F 78.5 °F 29.89 in NNW 4.6 mph 10.4 mph 62.6% 0.00 in
14:34 93.5 °F 77.5 °F 29.89 in NNW 3.8 mph 10.4 mph 60.1% 0.00 in
14:39 93.9 °F 76.9 °F 29.89 in NW 2.5 mph 5.8 mph 58% 0.00 in
14:44 94 °F 77.7 °F 29.89 in West 3.3 mph 6.9 mph 59.2% 0.00 in
Clayton, NC Weather
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