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Hour-by-Hour Forecast for St. Thomas, Ontario, Canada

Currently: 70 °F. Fog. (Weather station: London Weather Station, Canada). See more current weather

Hour-by-hour Forecast in St. Thomas — Graph

°F
Time
Wind
(mph)
Rain/Snow
()
Temp
(°F)
63
65
67
69
71
73
75
77
79
81
83
85
87
Friday, July 11, 2025
9 am
73
5
10 am
77
6
11 am
79
7
12 pm
80
6
1 pm
81
5
2 pm
81
3
3 pm
81
4
4 pm
80
5
5 pm
80
7
6 pm
79
6
7 pm
78
6
8 pm
77
6
9 pm
75
6
10 pm
74
6
11 pm
71
6
Saturday, July 12, 2025
0.01
12 am
69
7
0.01
1 am
70
8
0.01
2 am
70
9
0.01
3 am
71
8
4 am
70
8
5 am
70
8
6 am
71
8
7 am
73
9
8 am
75
10
9 am
78
12
10 am
80
13
11 am
82
14
12 pm
83
14
1 pm
84
15
2 pm
85
15
3 pm
85
15
4 pm
85
15
5 pm
85
16
0.01
6 pm
83
15
0.02
7 pm
81
13
0.03
8 pm
79
12
0.02
9 pm
78
7
0.01
10 pm
77
2
11 pm
74
6
Sunday, July 13, 2025
0.01
12 am
74
1
0.01
1 am
74
3
0.02
2 am
73
8
0.02
3 am
72
6
0.01
4 am
73
5
0.01
5 am
73
6
0.02
6 am
72
7
0.04
7 am
72
7
0.05
8 am
72
8
0.04
9 am
74
8
0.02
10 am
76
8
11 am
77
8
12 pm
79
9
1 pm
80
9
2 pm
81
10
3 pm
82
10
4 pm
81
11
5 pm
81
12
6 pm
80
10
7 pm
79
8
8 pm
76
7
9 pm
74
6
10 pm
73
5
11 pm
70
4
Monday, July 14, 2025
12 am
68
4
1 am
66
4
2 am
66
5
3 am
66
5
4 am
67
5
5 am
66
5
6 am
64
5
7 am
65
5
8 am
67
5
9 am
71
6
10 am
75
6
11 am
78
7
12 pm
79
7
1 pm
80
7
2 pm
81
7
3 pm
82
7
4 pm
81
8
5 pm
81
8
6 pm
80
7
7 pm
78
6
8 pm
76
5
9 pm
74
5
10 pm
72
5
11 pm
69
5
Tuesday, July 15, 2025
12 am
68
4
1 am
67
4
2 am
67
4
3 am
68
4
4 am
68
3
5 am
68
3
6 am
67
4
7 am
69
4
8 am
71
4
9 am
75
5
10 am
79
7
11 am
81
8
12 pm
82
8
1 pm
83
9
2 pm
84
10
3 pm
84
9
4 pm
84
9
5 pm
83
9
6 pm
82
9
7 pm
81
8
8 pm
79
7
9 pm
76
7
10 pm
74
6
11 pm
71
6
Wednesday, July 16, 2025
12 am
68
6
1 am
68
6
2 am
69
7
3 am
69
6
4 am
69
6
5 am
69
6
6 am
69
7
7 am
71
8
8 am
73
9
9 am
76
9
10 am
79
9
11 am
81
8
12 pm
82
9
1 pm
83
10
2 pm
83
11
3 pm
84
12
4 pm
84
12
5 pm
84
13
0.01
6 pm
82
12
0.01
7 pm
79
10
0.01
8 pm
75
9
0.01
9 pm
73
9
0.01
10 pm
71
8
11 pm
67
8
Thursday, July 17, 2025
12 am
67
7
1 am
68
7
2 am
68
6
3 am
67
6
4 am
67
6
5 am
67
6
6 am
67
7
7 am
68
8
8 am
70
9
9 am
73
10
10 am
74
11
11 am
75
12
12 pm
76
12
1 pm
78
12
2 pm
79
13
3 pm
80
13
4 pm
81
13
5 pm
82
12
6 pm
81
10
7 pm
79
8
8 pm
78
6
9 pm
76
6
10 pm
75
7
11 pm
71
8
Friday, July 18, 2025
12 am
70
8
1 am
71
8
Fri, Jul 11 at 9:00 am
73 °F
Overcast.
Feels Like: 72 °F
Humidity: 85%
Precipitation: Rain: 0 Snow: 0
Precipitation Chance: 2%
WSW
Wind: 5 mph

Detailed Hourly Forecast — Next 24 hours

Scroll right to see more
 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
9:00 am
Fri, Jul 11
73 °FOvercast.72 °F5 mph85%2%0.00" (snow)
0.00" (rain)
10:00 am77 °FOvercast.78 °F6 mph73%0%0.00" (snow)
0.00" (rain)
11:00 am79 °FOvercast.82 °F7 mph67%0%0.00" (snow)
0.00" (rain)
12:00 pm80 °FOvercast.83 °F6 mph65%3%0.00" (snow)
0.00" (rain)
1:00 pm81 °FOvercast.83 °F5 mph65%6%0.00" (snow)
0.00" (rain)
2:00 pm81 °FOvercast.83 °F3 mph65%0%0.00" (snow)
0.00" (rain)
3:00 pm81 °FThundershowers. Overcast.83 °F4 mph65%15%0.00" (snow)
0.00" (rain)
4:00 pm80 °FOvercast.83 °F5 mph65%4%0.00" (snow)
0.00" (rain)
5:00 pm80 °FOvercast.82 °F7 mph66%1%0.00" (snow)
0.00" (rain)
6:00 pm79 °FCloudy.81 °F6 mph68%4%0.00" (snow)
0.00" (rain)
7:00 pm78 °FIsolated tstorms. Mostly cloudy.80 °F6 mph70%9%0.00" (snow)
0.00" (rain)
8:00 pm77 °FIsolated tstorms. Cloudy.79 °F6 mph72%11%0.00" (snow)
0.00" (rain)
9:00 pm75 °FIsolated tstorms. Cloudy.76 °F6 mph77%14%0.00" (snow)
0.00" (rain)
10:00 pm74 °FIsolated tstorms. Overcast.74 °F6 mph81%15%0.00" (snow)
0.00" (rain)
11:00 pm71 °FIsolated tstorms. Overcast.68 °F6 mph89%13%0.00" (snow)
0.00" (rain)
12:00 am
Sat, Jul 12
69 °FIsolated tstorms. Overcast.69 °F7 mph94%14%0.00" (snow)
0.01" (rain)
1:00 am70 °FIsolated tstorms. Overcast.70 °F8 mph92%38%0.00" (snow)
0.01" (rain)
2:00 am70 °FIsolated tstorms. Overcast.67 °F9 mph91%46%0.00" (snow)
0.01" (rain)
3:00 am71 °FIsolated tstorms. Overcast.67 °F8 mph91%23%0.00" (snow)
0.01" (rain)
4:00 am70 °FIsolated tstorms. Overcast.65 °F8 mph94%17%0.00" (snow)
0.00" (rain)
5:00 am70 °FIsolated tstorms. Overcast.65 °F8 mph94%11%0.00" (snow)
0.00" (rain)
6:00 am71 °FIsolated tstorms. Mostly cloudy.67 °F8 mph94%13%0.00" (snow)
0.00" (rain)
7:00 am72 °FIsolated tstorms. Mostly cloudy.68 °F9 mph95%17%0.00" (snow)
0.00" (rain)
8:00 am75 °FIsolated tstorms. Mostly cloudy.74 °F10 mph90%19%0.00" (snow)
0.00" (rain)
* Updated Friday, July 11, 2025 3:02:16 am St. Thomas time - Weather by CustomWeather, © 2025

14 days extended forecast