Sarnia Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
52
56
60
64
68
72
76
80
84
88
92
Aug 10 – Aug 16
Lo:69
Mon, 11
Hi:90
12
0.34
Lo:71
Tue, 12
Hi:86
10
0.24
Lo:66
Wed, 13
Hi:81
11
Lo:60
Thu, 14
Hi:75
9
Lo:53
Fri, 15
Hi:84
2
Lo:58
Sat, 16
Hi:91
6
Aug 17 – Aug 23
0.25
Lo:69
Sun, 17
Hi:80
12
0.06
Lo:65
Mon, 18
Hi:75
12
Lo:63
Tue, 19
Hi:76
12
Lo:60
Wed, 20
Hi:81
5
Lo:63
Thu, 21
Hi:79
15
0.02
Lo:61
Fri, 22
Hi:70
14
0.02
Lo:63
Sat, 23
Hi:73
9
Aug 24 – Aug 30
0.05
Lo:63
Sun, 24
Hi:73
4
Lo:66
Mon, 25
Hi:76
5
Mon, Aug 11
90 / 69 °F
Broken clouds.
Feels Like: 92 °F
Humidity: 50%
Precipitation: Rain: 0 Snow: 0
Precipitation Chance: 2%
SSW
Wind: 12 mph
2 Week Extended Forecast in Sarnia, Ontario, Canada
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Mon Aug 11 |  | 90 / 69 °F | Broken clouds. | 92 °F | 12 mph | ↑ | 50% | 2% | 0.00" | 3 (Moderate) | 6:31 am | 8:37 pm |
| Tue Aug 12 |  | 86 / 71 °F | Thundershowers. Mostly cloudy. | 89 °F | 10 mph | ↑ | 64% | 74% | 0.34" | 3 (Moderate) | 6:32 am | 8:35 pm |
| Wed Aug 13 |  | 81 / 66 °F | Showers early. Morning clouds. | 81 °F | 11 mph | ↑ | 64% | 71% | 0.24" | 5 (Moderate) | 6:33 am | 8:34 pm |
| Thu Aug 14 |  | 75 / 60 °F | Mostly sunny. | 77 °F | 9 mph | ↑ | 59% | 0% | 0.00" | 5 (Moderate) | 6:34 am | 8:32 pm |
| Fri Aug 15 | | 84 / 53 °F | Mostly sunny. | 83 °F | 2 mph | ↑ | 46% | 0% | 0.00" | 5 (Moderate) | 6:35 am | 8:31 pm |
| Sat Aug 16 |  | 91 / 58 °F | Partly cloudy. | 93 °F | 6 mph | ↑ | 51% | 0% | 0.00" | 3 (Moderate) | 6:36 am | 8:29 pm |
| Sun Aug 17 |  | 80 / 69 °F | Scattered tstorms late. Cloudy. | 74 °F | 12 mph | ↑ | 82% | 46% | 0.25" | 3 (Moderate) | 6:38 am | 8:28 pm |
| Mon Aug 18 |  | 75 / 65 °F | Sprinkles early. Decreasing cloudiness. | 76 °F | 12 mph | ↑ | 75% | 18% | 0.06" | 3 (Moderate) | 6:39 am | 8:26 pm |
| Tue Aug 19 |  | 76 / 63 °F | Sunny. | 78 °F | 12 mph | ↑ | 36% | 3% | 0.00" | 5 (Moderate) | 6:40 am | 8:25 pm |
| Wed Aug 20 | | 81 / 60 °F | Sunny. | 79 °F | 5 mph | ↑ | 56% | 4% | 0.00" | 5 (Moderate) | 6:41 am | 8:23 pm |
| Thu Aug 21 | | 79 / 63 °F | Scattered clouds. | 80 °F | 15 mph | ↑ | 57% | 5% | 0.00" | 5 (Moderate) | 6:42 am | 8:21 pm |
| Fri Aug 22 | | 70 / 61 °F | Sprinkles early. Morning clouds. | 69 °F | 14 mph | ↑ | 43% | 47% | 0.02" | 5 (Moderate) | 6:43 am | 8:20 pm |
| Sat Aug 23 | | 73 / 63 °F | Isolated tstorms late. Increasing cloudiness. | 77 °F | 9 mph | ↑ | 39% | 52% | 0.02" | 3 (Moderate) | 6:44 am | 8:18 pm |
| Sun Aug 24 | | 73 / 63 °F | Passing showers. Breaks of sun late. | 76 °F | 4 mph | ↑ | 68% | 47% | 0.05" | 3 (Moderate) | 6:45 am | 8:17 pm |
| Mon Aug 25 | | 76 / 66 °F | Mostly sunny. | 78 °F | 5 mph | ↑ | 47% | 5% | 0.00" | 3 (Moderate) | 6:46 am | 8:15 pm |
| * Updated Sunday, August 10, 2025 11:24:10 pm Sarnia time - Weather by CustomWeather, © 2025 | ||||||||||||