Currently: 63 °F. Partly sunny. (Weather station: Ottawa Int'L. Ont., Canada). See more current weatherPast Weather in Nepean — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
45
50
55
60
65
70
75
80
85
90
95
Sat, Jun 14
Lo:48
12 am
Hi:48
7
Lo:48
6 am
Hi:68
7
Lo:68
12 pm
Hi:72
9
Lo:55
6 pm
Hi:70
7
Sun, Jun 15
Lo:46
12 am
Hi:57
7
Lo:48
6 am
Hi:73
6
Lo:73
12 pm
Hi:77
6
Lo:57
6 pm
Hi:77
3
Mon, Jun 16
Lo:46
12 am
Hi:59
3
Lo:52
6 am
Hi:75
6
Lo:75
12 pm
Hi:81
9
Lo:68
6 pm
Hi:79
11
Tue, Jun 17
Lo:63
12 am
Hi:68
4
Lo:64
6 am
Hi:72
7
Lo:72
12 pm
Hi:79
10
Lo:66
6 pm
Hi:79
9
Wed, Jun 18
Lo:66
12 am
Hi:68
7
Lo:68
6 am
Hi:77
9
Lo:77
12 pm
Hi:84
7
Lo:72
6 pm
Hi:84
4
Thu, Jun 19
Lo:68
12 am
Hi:73
4
Lo:68
6 am
Hi:73
7
Lo:73
12 pm
Hi:81
16
Lo:64
6 pm
Hi:79
11
Fri, Jun 20
Lo:57
12 am
Hi:64
20
Lo:57
6 am
Hi:66
19
Lo:66
12 pm
Hi:72
17
Lo:57
6 pm
Hi:72
7
Sat, Jun 21
Lo:50
12 am
Hi:57
4
Lo:52
6 am
Hi:75
3
Lo:75
12 pm
Hi:81
9
Lo:70
6 pm
Hi:75
7
Sun, Jun 22
Lo:66
12 am
Hi:72
12
Lo:66
6 am
Hi:82
8
Lo:82
12 pm
Hi:84
12
Lo:75
6 pm
Hi:84
7
Mon, Jun 23
Lo:70
12 am
Hi:75
5
Lo:70
6 am
Hi:93
9
Lo:93
12 pm
Hi:95
14
Lo:81
6 pm
Hi:93
11
Tue, Jun 24
Lo:75
12 am
Hi:81
8
Lo:75
6 am
Hi:91
10
Lo:79
12 pm
Hi:91
11
Lo:75
6 pm
Hi:82
7
Wed, Jun 25
Lo:66
12 am
Hi:75
6
Lo:68
6 am
Hi:81
11
Lo:79
12 pm
Hi:82
11
Lo:70
6 pm
Hi:81
11
Thu, Jun 26
Lo:61
12 am
Hi:70
10
Lo:61
6 am
Hi:63
9
Lo:61
12 pm
Hi:68
10
Lo:55
6 pm
Hi:68
5
Fri, Jun 27
Lo:54
12 am
Hi:55
6
Lo:54
6 am
Hi:73
12
Lo:61
12 pm
Hi:77
12
Lo:61
6 pm
Hi:64
9
Sat, Jun 28
Lo:64
12 am
Hi:66
7
Lo:64
6 am
Hi:73
11
Lo:73
12 pm
Hi:84
13
Lo:63
6 pm
Hi:81
14
Sun, Jun 29
Lo:61
12 am
Hi:64
9
Saturday, June 14, 2025, 12:00 am — 6:00 am
48 / 48 °F
Passing clouds.
Humidity: 82%
Barometer: 30.19 "Hg
N
Wind: 6.836 mph
Nepean Temperature Yesterday
Maximum temperature yesterday: 84 °F (at 4:00 pm)
Minimum temperature yesterday: 64 °F (at 12:00 am)
Average temperature yesterday: 70 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 95 °F (Jun 23, 3:00 pm) | 100% (Jun 15, 4:00 am) | 30.24 "Hg (Jun 15, 4:00 am) |
| Low | 46 °F (Jun 15, 4:00 am) | 30% (Jun 15, 5:00 pm) | 29.46 "Hg (Jun 19, 9:00 pm) |
| Average | 70 °F | 74% | 29.96 "Hg |
| * Reported Jun 14 5:00 am — Jun 29 5:00 am, Nepean. 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
Nepean Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 5:00 am Sun, Jun 29 |  | 63 °F | Passing clouds. | 7 mph | ↑ | 100% | 29.95 "Hg | 15 mi |
| 4:00 am | | 61 °F | Passing clouds. | 9 mph | ↑ | 100% | 29.93 "Hg | 15 mi |
| 3:00 am |  | 63 °F | Partly cloudy. | 9 mph | ↑ | 94% | 29.93 "Hg | 15 mi |
| 2:00 am | | 64 °F | Passing clouds. | 10 mph | ↑ | 88% | 29.93 "Hg | 15 mi |
| 1:00 am | | 64 °F | Passing clouds. | 13 mph | ↑ | 83% | 29.91 "Hg | 15 mi |
| 12:00 am | | 63 °F | Passing clouds. | 8 mph | ↑ | 88% | 29.92 "Hg | 15 mi |
| 11:00 pm Sat, Jun 28 | | 64 °F | Passing clouds. | 8 mph | ↑ | 83% | 29.90 "Hg | 15 mi |
| 10:00 pm | | 66 °F | Passing clouds. | 12 mph | ↑ | 73% | 29.89 "Hg | 15 mi |
| 9:00 pm | | 68 °F | Partly cloudy. | 16 mph | ↑ | 69% | 29.87 "Hg | 15 mi |
| 8:00 pm | | 70 °F | Partly sunny. | 18 mph | ↑ | 73% | 29.86 "Hg | 15 mi |
| 7:00 pm |  | 75 °F | Scattered clouds. | 17 mph | ↑ | 65% | 29.83 "Hg | 15 mi |
| 6:00 pm | | 81 °F | Scattered clouds. | 15 mph | ↑ | 58% | 29.80 "Hg | 15 mi |
| 5:00 pm | | 82 °F | Partly sunny. | 13 mph | ↑ | 58% | 29.80 "Hg | 15 mi |
| 4:00 pm | | 84 °F | Partly sunny. | 18 mph | ↑ | 55% | 29.79 "Hg | 15 mi |
| 3:00 pm | | 82 °F | Partly sunny. | 13 mph | ↑ | 70% | 29.80 "Hg | 15 mi |
| 2:00 pm | | 82 °F | Partly sunny. | 14 mph | ↑ | 74% | 29.80 "Hg | 15 mi |
| 1:00 pm | | 79 °F | Partly sunny. | 12 mph | ↑ | 84% | 29.82 "Hg | 15 mi |
| 12:00 pm | | 73 °F | Partly sunny. | 8 mph | ↑ | 100% | 29.85 "Hg | 12 mi |
| 11:00 am |  | 72 °F | Overcast. | 13 mph | ↑ | 100% | 29.86 "Hg | 10 mi |
| 10:00 am | | 66 °F | Partly sunny. | 13 mph | ↑ | 100% | 29.85 "Hg | 10 mi |
| 9:38 am |  | 66 °F | Rain showers. Fog. | 12 mph | ↑ | 100% | 29.86 "Hg | 2 mi |
| 9:00 am |  | 66 °F | Thunderstorms. Fog. | 14 mph | ↑ | 100% | 29.86 "Hg | 3 mi |
| 8:43 am | | 66 °F | Thunderstorms. Overcast. | 14 mph | ↑ | 100% | 29.86 "Hg | 5 mi |
| 8:00 am | | 66 °F | More clouds than sun. | 9 mph | ↑ | 100% | 29.86 "Hg | 12 mi |
| 7:00 am | | 66 °F | Overcast. | 8 mph | ↑ | 100% | 29.88 "Hg | 12 mi |
| 6:00 am | | 64 °F | Mostly cloudy. | 7 mph | ↑ | 100% | 29.87 "Hg | 12 mi |
| Weather by CustomWeather, © 2025 | ||||||||