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Hour-by-Hour Forecast for Sarnia, Ontario, Canada

Currently: 21 °F. Light snow. Overcast. (Weather station: Sarnia Airport, Canada). See more current weather

Hour-by-hour Forecast in Sarnia — Graph

°F
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Detailed Hourly Forecast — Next 24 hours

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 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
11:00 am
Wed, Jan 21		22 °FLight snow. Overcast.8 °F16 mph↑82%60%0.35" (snow)
0.00" (rain)
12:00 pm24 °FLight snow. Overcast.10 °F16 mph↑81%65%0.29" (snow)
0.00" (rain)
1:00 pm26 °FLight snow. Overcast.13 °F17 mph↑78%66%0.25" (snow)
0.00" (rain)
2:00 pm27 °FLight snow. Overcast.15 °F16 mph↑77%66%0.17" (snow)
0.00" (rain)
3:00 pm28 °FLight snow. Overcast.17 °F15 mph↑76%43%0.06" (snow)
0.00" (rain)
4:00 pm29 °FLight snow. Overcast.18 °F15 mph↑76%31%0.04" (snow)
0.00" (rain)
5:00 pm29 °FLight snow. Overcast.18 °F15 mph↑77%30%0.04" (snow)
0.00" (rain)
6:00 pm29 °FLight snow. Overcast.18 °F15 mph↑80%30%0.04" (snow)
0.00" (rain)
7:00 pm29 °FLight snow. Overcast.17 °F15 mph↑78%30%0.04" (snow)
0.00" (rain)
8:00 pm28 °FLight snow. Overcast.17 °F14 mph↑78%30%0.04" (snow)
0.00" (rain)
9:00 pm27 °FLight snow. Overcast.16 °F13 mph↑80%28%0.04" (snow)
0.00" (rain)
10:00 pm26 °FLight snow. Overcast.16 °F12 mph↑79%28%0.05" (snow)
0.00" (rain)
11:00 pm26 °FLight snow. Overcast.15 °F13 mph↑80%27%0.05" (snow)
0.00" (rain)
12:00 am
Thu, Jan 22		27 °FLight snow. Overcast.15 °F14 mph↑79%28%0.04" (snow)
0.00" (rain)
1:00 am27 °FLight snow. Overcast.15 °F15 mph↑80%30%0.04" (snow)
0.00" (rain)
2:00 am27 °FLight snow. Overcast.15 °F14 mph↑81%42%0.06" (snow)
0.00" (rain)
3:00 am27 °FLight snow. Overcast.16 °F14 mph↑81%31%0.11" (snow)
0.00" (rain)
4:00 am27 °FLight snow. Overcast.15 °F13 mph↑82%19%0.15" (snow)
0.00" (rain)
5:00 am25 °FLight snow. Cloudy.13 °F14 mph↑81%17%0.13" (snow)
0.00" (rain)
6:00 am22 °FLight snow. Broken clouds.9 °F15 mph↑80%25%0.12" (snow)
0.00" (rain)
7:00 am20 °FLight snow. Broken clouds.6 °F16 mph↑77%33%0.09" (snow)
0.00" (rain)
8:00 am20 °FLight snow. Broken clouds.5 °F17 mph↑77%35%0.06" (snow)
0.00" (rain)
9:00 am19 °FLight snow. Broken clouds.4 °F19 mph↑75%28%0.07" (snow)
0.00" (rain)
10:00 am20 °FLight snow. Broken clouds.5 °F20 mph↑69%23%0.06" (snow)
0.00" (rain)
* Updated Wednesday, January 21, 2026 8:42:42 am Sarnia time - Weather by CustomWeather, © 2026
Jan 21Jan 22Jan 23Jan 24Jan 25Jan 26Jan 27Jan 28

14 days extended forecast

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