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Weather in St. Thomas, Canada 🇨🇦

Current Weather in St. Thomas

Patchy rain nearby
16°C
Feels like 12°C. Patchy rain nearby.
🌬️ 27 km/h WNW
💧 85% Humidity
🧭 1013 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 1.5
🌡️ Dew Point: 14°C
🌅 Sunrise: 06:40 AM
🌇 Sunset: 08:13 PM
Map Overlays:

The current temperature in St. Thomas is 16°C, patchy rain nearby, feeling like 12°C. Relative humidity is 85%, with winds around 27 km/h, and the UV index is 2 (low). Over the next few days, temperatures in St. Thomas range from about 13°C to 25°C.

Hourly Forecast for St. Thomas

17:00
Light drizzle
16°
42%
18:00
Light drizzle
16°
54%
19:00
Light rain
16°
75%
20:00
Light rain
16°
75%
21:00
Light rain
16°
74%
22:00
Light rain
16°
74%
23:00
Patchy rain nearby
15°
74%
00:00
Patchy rain nearby
15°
69%
01:00
Partly Cloudy
16°
23%
02:00
Partly Cloudy
15°
20%
03:00
Clear
15°
14%
04:00
Clear
14°
15%
05:00
Overcast
14°
32%
06:00
Partly Cloudy
15°
17%
07:00
Mist
15°
21%
08:00
Mist
15°
21%
09:00
Patchy rain nearby
16°
23%
10:00
Patchy rain nearby
18°
17%
11:00
Patchy rain nearby
20°
13%
12:00
Patchy rain nearby
21°
9%
13:00
Patchy rain nearby
22°
10%
14:00
Overcast
22°
11%
15:00
Overcast
23°
11%
16:00
Partly Cloudy
22°
5%

14-Day Forecast for St. Thomas

Mon, Aug 24
Patchy rain nearby Patchy rain nearby
16° / 13°
Tue, Aug 25
Patchy rain nearby Patchy rain nearby
23° / 14°
Wed, Aug 26
Sunny Sunny
25° / 16°
Thu, Aug 27
Patchy rain nearby Patchy rain nearby
25° / 17°
Fri, Aug 28
Sunny Sunny
26° / 16°
Sat, Aug 29
Overcast Overcast
23° / 13°
Sun, Aug 30
Overcast Overcast
17° / 15°
Mon, Aug 31
Light rain shower Light rain shower
22° / 16°
Tue, Sep 01
Sunny Sunny
25° / 15°
Wed, Sep 02
Overcast Overcast
19° / 17°
Thu, Sep 03
Sunny Sunny
23° / 16°
Fri, Sep 04
Overcast Overcast
23° / 15°
Sat, Sep 05
Overcast Overcast
19° / 14°
Sun, Sep 06
Patchy rain nearby Patchy rain nearby
25° / 16°

Additional Forecasts for St. Thomas

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 116.0 μg/m³
O₃ (Ozone) 55.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.3 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 2.7 μg/m³
PM10 (Coarse particles) 2.7 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Canada

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Best Time to Be Outside in St. Thomas Tomorrow

There is no good daylight window left in St. Thomas today. Tomorrow, the most comfortable window looks like 08:00 to 11:00, when it is around 16°C. It should stay dry through that window. The next likely rain is around 18:00.

Frequently Asked Questions about Weather in St. Thomas

What is the temperature in St. Thomas right now?

The current temperature in St. Thomas is 16°C (61°F), patchy rain nearby (feels like 12°C).

What's the weather like in St. Thomas right now?

Conditions in St. Thomas right now: Patchy rain nearby, humidity 85%, wind 27 km/h WNW.

What is today's forecast for St. Thomas?

Today in St. Thomas: high 16°C, low 13°C, patchy rain nearby. Chance of rain: 90%.

What is the 7-day weather forecast for St. Thomas?

Daily highs and lows for St. Thomas:

  • 2026-08-24: 16°C / 13°C
  • 2026-08-25: 23°C / 14°C
  • 2026-08-26: 25°C / 16°C
  • 2026-08-27: 25°C / 17°C
  • 2026-08-28: 26°C / 16°C
  • 2026-08-29: 23°C / 13°C
  • 2026-08-30: 17°C / 15°C
Is it going to rain in St. Thomas today?

There is a 90% chance of rain in St. Thomas today. Total expected precipitation: 9.98 mm.

What is the wind speed in St. Thomas right now?

Wind in St. Thomas is currently 27 km/h (17 mph) from the WNW.

What is the UV index in St. Thomas right now?

The UV index in St. Thomas is currently 1.5 (low). Sun protection is recommended when the index is 3 or higher.

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