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St. Thomas 14 Day Extended Forecast

Currently: 72 °F. Mostly cloudy. (Weather station: London Weather Station, Canada). See more current weather

St. Thomas Extended Forecast with high and low temperatures

°F
Time
Wind
(mph)
Rain/Snow
()
Temp
(°F)
54
57
60
63
66
69
72
75
78
81
84
87
Jul 6 – Jul 12
0.15
Lo:65
Fri, 11
Hi:81
8
0.19
Lo:70
Sat, 12
Hi:85
14
Jul 13 – Jul 19
0.31
Lo:70
Sun, 13
Hi:82
9
0.02
Lo:66
Mon, 14
Hi:84
8
0.05
Lo:66
Tue, 15
Hi:86
7
0.34
Lo:67
Wed, 16
Hi:86
14
0.39
Lo:65
Thu, 17
Hi:80
9
Lo:59
Fri, 18
Hi:79
9
Lo:55
Sat, 19
Hi:79
5
Jul 20 – Jul 26
Lo:57
Sun, 20
Hi:79
10
Lo:58
Mon, 21
Hi:79
13
Lo:58
Tue, 22
Hi:79
12
Lo:59
Wed, 23
Hi:81
12
0.22
Lo:61
Thu, 24
Hi:87
9
Lo:68
Fri, 25
Hi:84
9
Fri, Jul 11
81 / 65 °F
Isolated tstorms late. Overcast.
Feels Like: 83 °F
Humidity: 70%
Precipitation: Rain: 0.15 Snow: 0
Precipitation Chance: 67%
SW
Wind: 8 mph

2 Week Extended Forecast in St. Thomas, Ontario, Canada

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 ConditionsComfortPrecipitationSun
Day TemperatureWeatherFeels LikeWind HumidityChanceAmountUVSunriseSunset
Fri
Jul 11
81 / 65 °FIsolated tstorms late. Overcast.83 °F8 mph70%67%0.15"3 (Moderate)5:57 am9:03 pm
Sat
Jul 12
85 / 70 °FThundershowers. Breaks of sun late.89 °F14 mph65%68%0.19"5 (Moderate)5:57 am9:02 pm
Sun
Jul 13
82 / 70 °FThundershowers. Cloudy.85 °F9 mph69%72%0.31"3 (Moderate)5:58 am9:02 pm
Mon
Jul 14
84 / 66 °FMorning clouds.84 °F8 mph51%19%0.02"5 (Moderate)5:59 am9:01 pm
Tue
Jul 15
86 / 66 °FShowers late. Scattered clouds.89 °F7 mph60%20%0.05"5 (Moderate)6:00 am9:00 pm
Wed
Jul 16
86 / 67 °FTstorms late. Cloudy.89 °F14 mph61%67%0.34"3 (Moderate)6:01 am9:00 pm
Thu
Jul 17
80 / 65 °FThundershowers. Overcast.76 °F9 mph84%67%0.39"3 (Moderate)6:01 am8:59 pm
Fri
Jul 18
79 / 59 °FDecreasing cloudiness.80 °F9 mph51%5%0.00"7 (High)6:02 am8:58 pm
Sat
Jul 19
79 / 55 °FMostly sunny.79 °F5 mph45%3%0.00"7 (High)6:03 am8:57 pm
Sun
Jul 20
79 / 57 °FMostly cloudy.81 °F10 mph61%4%0.00"3 (Moderate)6:04 am8:57 pm
Mon
Jul 21
79 / 58 °FSunny.81 °F13 mph65%5%0.00"7 (High)6:05 am8:56 pm
Tue
Jul 22
79 / 58 °FCloudy.82 °F12 mph65%5%0.00"3 (Moderate)6:06 am8:55 pm
Wed
Jul 23
81 / 59 °FMostly sunny.83 °F12 mph64%5%0.00"5 (Moderate)6:07 am8:54 pm
Thu
Jul 24
87 / 61 °FA few tstorms. Partly cloudy.90 °F9 mph70%83%0.22"3 (Moderate)6:08 am8:53 pm
Fri
Jul 25
84 / 68 °FScattered clouds.84 °F9 mph45%5%0.00"3 (Moderate)6:09 am8:52 pm
* Updated Thursday, July 10, 2025 5:24:11 pm St. Thomas time - Weather by CustomWeather, © 2025

Hour-by-hour weather for St. Thomas next 7 days