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Weather forecast Sarnia on 7 days | Canada

On our website, you will find a detailed weather forecast for the week in Sarnia and other parts of the world. Would you like to know the detailed weather forecast in Sarnia for today? The air temperature will range from +48°F. A northeast wind is expected at a speed of 35.2 km/h. The atmospheric pressure will reach 762 mm Hg, humidity will be at 63%, and the cloudiness will be rain. Looking for the detailed weather forecast for tomorrow in Sarnia? The maximum temperature will be +48°F, while the minimum at night will be +41°F A west wind will prevail at a speed of 35.2 km/h. The humidity level will be 63%. The atmospheric pressure will reach 762 mm Hg, and the cloudiness will be rain. Need a detailed weather forecast for the weekend in Sarnia? The minimum temperature on Saturday will be +41°F, and the maximum will be +48°F A northwest wind is expected at a speed of 35.2
Monday
2025-03-31
48°F
rain
Day
+48°F
Night
+41°F
Wind
9.78 m/s
Pressure
762 mm
Humidity
63 %
Cloudiness
100%
Tuesday
2025-04-01
36°F
Partly Cloudy
Day
+36°F
Night
+28°F
Wind
4.59 m/s
Pressure
765 mm
Humidity
29 %
Cloudiness
99%
Wednesday
2025-04-02
36°F
snow
Day
+36°F
Night
+30°F
Wind
7.53 m/s
Pressure
769 mm
Humidity
77 %
Cloudiness
71%
Thursday
2025-04-03
37°F
Partly Cloudy
Day
+37°F
Night
+32°F
Wind
5.14 m/s
Pressure
766 mm
Humidity
62 %
Cloudiness
92%
Friday
2025-04-04
48°F
Partly Cloudy
Day
+48°F
Night
+41°F
Wind
6.81 m/s
Pressure
760 mm
Humidity
44 %
Cloudiness
90%
Saturday
2025-04-05
52°F
rain
Day
+52°F
Night
+45°F
Wind
6.2 m/s
Pressure
760 mm
Humidity
52 %
Cloudiness
27%
Sunday
2025-04-06
34°F
snow
Day
+34°F
Night
+34°F
Wind
10.87 m/s
Pressure
766 mm
Humidity
82 %
Cloudiness
100%
+45°F 
749 mm 
100 % 
+25°F 
771 mm 
11 % 
+50°F 
749 mm 
93 % 
+34°F 
753 mm 
99 % 
+55°F 
754 mm 
99 % 
+34°F 
753 mm 
93 % 
+37°F 
769 mm 
4 % 
+36°F 
769 mm 
6 % 
+23°F 
766 mm 
87 % 
+36°F 
760 mm 
100 % 
+36°F 
767 mm 
100 % 
+34°F 
769 mm 
69 % 
+34°F 
767 mm 
44 % 
+46°F 
764 mm 
100 % 
+43°F 
758 mm 
96 % 
+34°F 
772 mm 
100 % 
+32°F 
771 mm 
92 % 
+45°F 
761 mm 
100 % 
+41°F 
758 mm 
100 % 
+52°F 
757 mm 
100 % 
+54°F 
762 mm 
100 % 
+45°F 
758 mm 
100 % 
+28°F 
766 mm 
89 % 
+55°F 
754 mm 
99 %