Sarnia, Ontario
Latitude 43.0° N | Longitude 82.3° W
Past 24 Hour Conditions
| Date / Time (EST) |
Conditions |
Temperature (°C) |
Wind (km/h) |
Wind chill |
Relative humidity (%) |
Dew point (°C) |
Pressure (kPa) |
Visibility (km) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 | ||||||||||||||
| 07:00 | n/a | 2 (1.9) | SSW 13 | * | 76 | -2 | 100.7 | n/a | ||||||
| 06:00 | n/a | 2 (1.8) | SSW 14 | * | 75 | -2 | 100.7 | n/a | ||||||
| 05:00 | n/a | 2 (1.8) | SSW 17 gusts 28 | * | 74 | -2 | 100.6 | n/a | ||||||
| 04:00 | n/a | 1 (1.4) | SSW 23 | * | 76 | -2 | 100.6 | n/a | ||||||
| 03:00 | n/a | 1 (0.8) | SSW 21 gusts 29 | * | 77 | -3 | 100.7 | n/a | ||||||
| 02:00 | n/a | 0 (0.4) | SSW 26 gusts 37 | * | 79 | -3 | 100.6 | n/a | ||||||
| 01:00 | n/a | 0 (0.1) | SSW 23 gusts 41 | * | 80 | -3 | 100.7 | n/a | ||||||
| 00:00 | n/a | 0 (0.0) | SSW 25 gusts 40 | -6 | 81 | -3 | 100.8 | n/a | ||||||
| 16 December 2025 | ||||||||||||||
| 23:00 | n/a | 0 (-0.3) | SSW 29 gusts 44 | -7 | 80 | -3 | 100.8 | n/a | ||||||
| 22:00 | n/a | -1 (-0.5) | SSW 31 gusts 44 | -7 | 78 | -4 | 100.9 | n/a | ||||||
| 21:00 | n/a | -1 (-0.7) | SSW 29 gusts 42 | -7 | 76 | -4 | 101.0 | n/a | ||||||
| 20:00 | n/a | -1 (-1.1) | SSW 24 gusts 33 | -7 | 77 | -5 | 101.1 | n/a | ||||||
| 19:00 | n/a | -2 (-1.8) | SSW 19 | -7 | 75 | -6 | 101.2 | n/a | ||||||
| 18:00 | n/a | -2 (-2.2) | S 16 gusts 27 | -7 | 69 | -7 | 101.2 | n/a | ||||||
| 17:00 | n/a | -3 (-2.6) | S 18 gusts 30 | -8 | 67 | -8 | 101.2 | n/a | ||||||
| 16:00 | n/a | -2 (-2.1) | S 28 | -9 | 64 | -8 | 101.3 | n/a | ||||||
| 15:00 | n/a | -2 (-2.1) | S 21 gusts 31 | -8 | 64 | -8 | 101.3 | n/a | ||||||
| 14:00 | n/a | -2 (-2.4) | S 16 gusts 30 | -8 | 62 | -9 | 101.4 | n/a | ||||||
| 13:00 | n/a | -3 (-3.1) | SSW 19 | -9 | 66 | -9 | 101.6 | n/a | ||||||
| 12:00 | n/a | -4 (-4.1) | S 21 gusts 29 | -11 | 73 | -8 | 101.7 | n/a | ||||||
| 11:00 | n/a | -5 (-4.5) | S 21 | -11 | 80 | -7 | 101.9 | n/a | ||||||
| 10:00 | n/a | -5 (-5.1) | S 13 | -10 | 80 | -8 | 102.0 | n/a | ||||||
| 09:00 | n/a | -6 (-5.9) | SSE 10 | -10 | 81 | -9 | 101.9 | n/a | ||||||
| 08:00 | n/a | -7 (-6.5) | SSE 6 | -9 | 77 | -10 | 102.0 | n/a | ||||||
| 07:00 | n/a | -7 (-6.7) | S 9 | -11 | 74 | -11 | 102.0 | n/a | ||||||
Legend
n/a: not available
*: value not significant
This table displays weather elements available for this station
Highest temperature
Lowest temperature
Equal temperature values are all highlighted
This is an automated product, generated using preliminary data.
If you require additional historical weather information, please visit Climate website.
Highlighting criteria
Significant Weather Conditions
To highlight potentially dangerous weather conditions the following are displayed in bold characters:
- Tornado
- Funnel Cloud
- Thunderstorm
- Lightning
- Hail
- Freezing precipitation
- Heavy precipitation
- Any other weather condition, if the visibility is 1.0 km0.6 miles or less
In addition some weather elements are displayed in bold characters when they reach the following values:
Temperatures:
- Hot: 30.0°C86°F and higher
- Cold: -30.0°C-22°F and lower
- Values of 3595 and more
- Values of -35-31 and below
Winds:
- Mean speed of 60 km/h37 mph or more
- Gust speed of 90 km/h56 mph or more
Visibility:
- 1.0 km0.6 miles or less along with the weather conditions
- Date modified: