Past Weather in Johnston — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
56
60
64
68
72
76
80
84
88
92
96
Mon, Jul 14
Lo:73
6 pm
Hi:75
6
Tue, Jul 15
Lo:73
12 am
Hi:75
5
Lo:73
6 am
Hi:84
5
Lo:84
12 pm
Hi:88
13
Lo:73
6 pm
Hi:82
7
Wed, Jul 16
Lo:72
12 am
Hi:73
4
Lo:72
6 am
Hi:86
5
Lo:88
12 pm
Hi:90
12
Lo:77
6 pm
Hi:84
7
Thu, Jul 17
Lo:77
12 am
Hi:79
7
Lo:79
6 am
Hi:86
11
Lo:82
12 pm
Hi:88
15
Lo:81
6 pm
Hi:84
12
Fri, Jul 18
Lo:73
12 am
Hi:82
13
Lo:73
6 am
Hi:79
12
Lo:77
12 pm
Hi:82
9
Lo:64
6 pm
Hi:79
4
Sat, Jul 19
Lo:63
12 am
Hi:66
4
Lo:64
6 am
Hi:81
4
Lo:81
12 pm
Hi:82
14
Lo:70
6 pm
Hi:79
10
Sun, Jul 20
Lo:70
12 am
Hi:72
6
Lo:72
6 am
Hi:77
8
Lo:75
12 pm
Hi:81
12
Lo:73
6 pm
Hi:77
7
Mon, Jul 21
Lo:66
12 am
Hi:73
7
Lo:70
6 am
Hi:79
11
Lo:79
12 pm
Hi:81
12
Lo:66
6 pm
Hi:77
8
Tue, Jul 22
Lo:57
12 am
Hi:63
4
Lo:63
6 am
Hi:73
4
Lo:75
12 pm
Hi:79
6
Lo:64
6 pm
Hi:73
7
Wed, Jul 23
Lo:59
12 am
Hi:63
1
Lo:63
6 am
Hi:79
4
Lo:79
12 pm
Hi:81
14
Lo:66
6 pm
Hi:75
9
Thu, Jul 24
Lo:64
12 am
Hi:66
5
Lo:70
6 am
Hi:84
12
Lo:81
12 pm
Hi:86
16
Lo:72
6 pm
Hi:79
9
Fri, Jul 25
Lo:72
12 am
Hi:72
7
Lo:73
6 am
Hi:91
9
Lo:73
12 pm
Hi:97
12
Lo:79
6 pm
Hi:81
6
Sat, Jul 26
Lo:70
12 am
Hi:77
9
Lo:70
6 am
Hi:79
12
Lo:75
12 pm
Hi:81
7
Lo:66
6 pm
Hi:73
7
Sun, Jul 27
Lo:63
12 am
Hi:64
2
Lo:64
6 am
Hi:72
6
Lo:72
12 pm
Hi:75
12
Lo:73
6 pm
Hi:75
4
Mon, Jul 28
Lo:70
12 am
Hi:73
1
Lo:72
6 am
Hi:84
5
Lo:82
12 pm
Hi:90
8
Lo:73
6 pm
Hi:81
7
Tue, Jul 29
Lo:72
12 am
Hi:72
4
Lo:73
6 am
Hi:91
8
Lo:93
12 pm
Hi:97
11
Lo:84
6 pm
Hi:93
8
Johnston Temperature Yesterday
Maximum temperature yesterday: 89 °F (at 2:51 pm)
Minimum temperature yesterday: 70 °F (at 3:51 am)
Average temperature yesterday: 76 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 96 °F (Jul 25, 1:51 pm) | 100% (Jul 16, 6:51 am) | 30.26 "Hg (Jul 16, 6:51 am) |
| Low | 57 °F (Jul 22, 5:51 am) | 32% (Jul 21, 5:51 pm) | 29.70 "Hg (Jul 20, 5:51 pm) |
| Average | 76 °F | 72% | 30.00 "Hg |
| * Reported Jul 14 9:51 pm — Jul 29 9:51 pm, Johnston. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Johnston Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 9:51 pm Tue, Jul 29 |  | 84 °F | Passing clouds. | 10 mph | ↑ | 65% | 29.96 "Hg | 10 mi |
| 8:51 pm | | 85 °F | Passing clouds. | 7 mph | ↑ | 61% | 29.95 "Hg | 10 mi |
| 7:51 pm |  | 88 °F | Scattered clouds. | 7 mph | ↑ | 54% | 29.93 "Hg | 10 mi |
| 6:51 pm | | 93 °F | Scattered clouds. | 8 mph | ↑ | 42% | 29.93 "Hg | 10 mi |
| 5:51 pm | | 95 °F | Passing clouds. | 9 mph | ↑ | 41% | 29.92 "Hg | 10 mi |
| 4:51 pm | | 96 °F | Passing clouds. | 14 mph | ↑ | 37% | 29.91 "Hg | 10 mi |
| 3:51 pm |  | 96 °F | Partly sunny. | 12 mph | ↑ | 36% | 29.93 "Hg | 10 mi |
| 2:51 pm | | 96 °F | Partly sunny. | 12 mph | ↑ | 37% | 29.93 "Hg | 10 mi |
| 1:51 pm | | 95 °F | Partly sunny. | 12 mph | ↑ | 39% | 29.95 "Hg | 10 mi |
| 12:51 pm | | 93 °F | Scattered clouds. | 8 mph | ↑ | 46% | 29.96 "Hg | 10 mi |
| 11:51 am | | 92 °F | Passing clouds. | 12 mph | ↑ | 46% | 29.97 "Hg | 10 mi |
| 10:51 am | | 90 °F | Passing clouds. | 10 mph | ↑ | 48% | 30.00 "Hg | 10 mi |
| 9:51 am | | 87 °F | Passing clouds. | 8 mph | ↑ | 55% | 29.99 "Hg | 10 mi |
| 8:51 am | | 82 °F | Passing clouds. | 7 mph | ↑ | 70% | 29.99 "Hg | 10 mi |
| 7:51 am | | 77 °F | Scattered clouds. | 6 mph | ↑ | 85% | 29.98 "Hg | 10 mi |
| 6:51 am |  | 73 °F | Fog. | 5 mph | ↑ | 94% | 29.98 "Hg | 6 mi |
| 5:51 am | | 72 °F | Fog. | 3 mph | ↑ | 93% | 29.97 "Hg | 5 mi |
| 4:51 am |  | 71 °F | Clear. | 3 mph | ↑ | 96% | 29.98 "Hg | 7 mi |
| 3:51 am | | 71 °F | Clear. | 3 mph | ↑ | 93% | 29.97 "Hg | 7 mi |
| 2:51 am | | 71 °F | Fog. | 5 mph | ↑ | 96% | 29.98 "Hg | 6 mi |
| 1:51 am | | 71 °F | Clear. | 3 mph | ↑ | 96% | 29.99 "Hg | 7 mi |
| 12:51 am | | 72 °F | Clear. | 3 mph | ↑ | 93% | 29.99 "Hg | 7 mi |
| 11:51 pm Mon, Jul 28 | | 74 °F | Clear. | 3 mph | ↑ | 88% | 30.00 "Hg | 8 mi |
| Weather by CustomWeather, © 2025 | ||||||||