St Thomas Weather Conditions
Current Temperature Level
St Thomas Weather Conditions
Current Temperature Level
Feels Like 19°C
Chances of Rain2%
21°2%5 PM21°2%6 PM20°4%7 PM17°6%8 PM
17°8%9 PM17°9%10 PM
18°7%11 PM17°9%12 AM17°6%1 AM16°9%2 AM15°12%3 AM
15°18%4 AM14°10%5 AM13°11%6 AM13°11%7 AM13°11%8 AM13°10%9 AM13°8%10 AM15°7%11 AM16°8%12 PM17°9%1 PM18°11%2 PM
17°17%3 PM17°19%It is likely to be sunny; sun protection may help.
Last Updated: 2026-09-27 16:00 (Local Time)
164°SSE
Direction
6.1km/h
Wind Speed
Gust Speed
3.1m/s
Precipitation
Precipitation
0mm
Pressure
1013mb
UV Index
2.7Moderate
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Today
17
°C
61%Monday
16
°C74%Tuesday
17
°C72%Wednesday
19
°C80%Thursday
19
°C83%Friday
17
°C94%Saturday
16
°C70%Sunday
16
°C87%Monday
13
°C79%Tuesday
15
°C80%Sunny
Clear Sky with temperature at 17 °C and humidity will be at 61% with 29.2 km/h winds.21°C / 14°C
Humi.61 %
Prec.0 mm
Sunrise
07:17 AM11hrs 56min
Sunset
07:13 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Overcast
16 °C
61 %
0
18.4 kmph / NNE
Overcast
Feels 12 °C
Cover 100 %
Visibility 10 km
1 AM
Overcast
16 °C
59 %
0
18.4 kmph / NNE
OvercastFeels 12 °C
Cover 100 %
Visibility 10 km
2 AM
Overcast
15 °C
61 %
0
18 kmph / NE
OvercastFeels 11 °C
Cover 95 %
Visibility 10 km
3 AM
Partly Cloudy
16 °C
60 %
0
18.4 kmph / NE
Partly CloudyFeels 11 °C
Cover 55 %
Visibility 10 km
4 AM
Partly Cloudy
16 °C
61 %
0
18.7 kmph / NE
Partly CloudyFeels 11 °C
Cover 46 %
Visibility 10 km
5 AM
Clear
15 °C
65 %
0
17.6 kmph / NNE
ClearFeels 11 °C
Cover 7 %
Visibility 10 km
6 AM
Clear
15 °C
68 %
0
18.4 kmph / NNE
ClearFeels 11 °C
Cover 1 %
Visibility 10 km
7 AM
Clear
14 °C
70 %
0
20.5 kmph / N
ClearFeels 10 °C
Cover 0 %
Visibility 10 km
8 AM
Sunny
14 °C
69 %
0
21.6 kmph / N
SunnyFeels 9 °C
Cover 0 %
Visibility 10 km
9 AM
Sunny
14 °C
64 %
0.5
22 kmph / NNE
SunnyFeels 9 °C
Cover 1 %
Visibility 10 km
10 AM
Sunny
16 °C
57 %
1.5
21.2 kmph / NNE
SunnyFeels 11 °C
Cover 4 %
Visibility 10 km
11 AM
Sunny
18 °C
52 %
2.9
19.4 kmph / NNE
SunnyFeels 14 °C
Cover 0 %
Visibility 10 km
12 PM
Sunny
19 °C
52 %
4.2
17.6 kmph / NNE
SunnyFeels 16 °C
Cover 0 %
Visibility 10 km
1 PM
Sunny
20 °C
51 %
5
13 kmph / NE
SunnyFeels 18 °C
Cover 0 %
Visibility 10 km
2 PM
Sunny
21 °C
50 %
4.9
7.6 kmph / ENE
SunnyFeels 19 °C
Cover 5 %
Visibility 10 km
3 PM
Sunny
21 °C
50 %
4.1
5.4 kmph / SE
SunnyFeels 20 °C
Cover 2 %
Visibility 10 km
4 PM
Sunny
21 °C
50 %
2.7
6.1 kmph / SSE
SunnyFeels 19 °C
Cover 5 %
Visibility 10 km
5 PM
Sunny
21 °C
52 %
1.4
5.8 kmph / WNW
SunnyFeels 20 °C
Cover 5 %
Visibility 10 km
6 PM
Sunny
20 °C
60 %
0.5
21.6 kmph / NNW
SunnyFeels 16 °C
Cover 5 %
Visibility 10 km
7 PM
Sunny
17 °C
69 %
0
29.2 kmph / NNW
SunnyFeels 12 °C
Cover 2 %
Visibility 10 km
8 PM
Clear
17 °C
75 %
0
25.9 kmph / NNW
ClearFeels 13 °C
Cover 5 %
Visibility 10 km
9 PM
Clear
17 °C
79 %
0
20.9 kmph / NNW
ClearFeels 14 °C
Cover 5 %
Visibility 10 km
10 PM
Partly Cloudy
18 °C
66 %
0
21.2 kmph / NNE
Partly CloudyFeels 14 °C
Cover 34 %
Visibility 10 km
11 PM
Partly Cloudy
17 °C
64 %
0
22 kmph / NE
Partly CloudyFeels 13 °C
Cover 59 %
Visibility 10 km
32°21°32°22°29°19°
25°17°26°17°24°13°24°12°24°12°27°20°26°18°24°11°25°15°26°15°20°13°24°18°23°20°22°18°22°14°19°16°19°14°16°12°18°11°18°14°17°14°17°12°20°12°22°14°18°13°20°15°21°15°SeptemberWeather Overview
No. of days:
Sunny
11
Cloudy
0
Rainy
3
Snowy
0
The monthly weather averages in St Thomas consist of 11 sunny days, 0 cloudy days, 3 rainy days, and 0 snowy days.
St Thomas's Locations Weather Conditions
Canada's Hottest Cities - September 2026
1.
Oakville, Ontario
25 °C
Sunny
24%
1.8
15.8 kmph / NE
2.
Milton, Ontario
25 °C
Sunny
24%
1.8
15.8 kmph / NE
3.
Toronto, Ontario
25 °C
Sunny
22%
1.5
16.6 kmph / NE
4.
Mississauga, Ontario
25 °C
Sunny
24%
1.8
15.8 kmph / NE
5.
London, Ontario
24 °C
Sunny
28%
2.7
19.1 kmph / NNE
6.
Oshawa, Ontario
24 °C
Overcast
26%
1.3
23.8 kmph / NE
7.
Windsor, Ontario
23 °C
Sunny
33%
2.9
18.7 kmph / NNE
8.
Brampton, Ontario
23 °C
Sunny
28%
1.8
23 kmph / NNE
9.
Brantford, Ontario
23 °C
Partly Cloudy
29%
2.3
22.3 kmph / NNE
10.
Newmarket, Ontario
23 °C
Sunny
27%
1.5
20.5 kmph / NNE
Last Updated: 27 Sept 2026, 08:36 PM
City Weather RankingsFAQs About St Thomas Weather Conditions
1. What is the current temperature in St Thomas today - 27 September 2026?
1. What is the current temperature in St Thomas today - 27 September 2026?
The current temperature in St Thomas is 21°C, with a feels-like temperature of 19°C. Today's forecast shows a high of 21°C and a low of 14°C, giving a 7 degree swing through the day as of 04:00 PM 27 September 2026.
2. What are the current weather parameters in St Thomas today?
2. What are the current weather parameters in St Thomas today?
Here is a complete overview of St Thomas's current weather conditions as of 04:00 PM 27 September 2026: Condition : Sunny Temperature : 21°C Pleasant (Feels like 19°C) Humidity : 50% Wind Speed : 6.1 km/h from SSE (164 degrees), Gust 3.1 m/s UV Index : 2.7 (Moderate Air Pressure : 1013 mb Cloud Cover : 5% Visibility : 10 km Precipitation : 0 mm (5% chance of rain)
3. What is the 10-day weather forecast for St Thomas from 04:00 PM 27 September 2026?
3. What is the 10-day weather forecast for St Thomas from 04:00 PM 27 September 2026?
From 04:00 PM 27 September 2026, St Thomas's 10-day forecast shows this trend: Today (Sep. 27) : Temp. 17°C, Hum. 61% and Sunny condition. Monday (Sep. 28) : Temp. 16°C, Hum. 74% and Sunny condition. Tuesday (Sep. 29) : Temp. 17°C, Hum. 72% and Sunny condition. Wednesday (Sep. 30) : Temp. 19°C, Hum. 80% and Overcast condition. Thursday (Oct. 1) : Temp. 19°C, Hum. 83% and Overcast condition. Friday (Oct. 2) : Temp. 17°C, Hum. 94% and Rain Shower condition. Saturday (Oct. 3) : Temp. 16°C, Hum. 70% and Sunny condition. Sunday (Oct. 4) : Temp. 16°C, Hum. 87% and Patchy rain nearby condition. Monday (Oct. 5) : Temp. 13°C, Hum. 79% and Rain Showers condition. Tuesday (Oct. 6) : Temp. 15°C, Hum. 80% and Rain Showers condition.
4. Will it rain in St Thomas today?
4. Will it rain in St Thomas today?
As of 04:00 PM 27 September 2026, there is a 2% chance of rainfall in St Thomas later today around 2026-09-27 16:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for St Thomas in September 2026?
5. What is the monthly weather forecast for St Thomas in September 2026?
September 2026 in St Thomas is forecast to have 11 sunny days, 3 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 11°C to highs of 32°C.
6. How does the weather in St Thomas affect air quality?
6. How does the weather in St Thomas affect air quality?
Weather directly impacts air quality in St Thomas. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
