14-day forecast · St. Thomas
30-day outlook →TodaySep 1920°12°Chance of showersShowers40%
Day
Mainly cloudy. 40 percent chance of showers late in the afternoon. High 20. UV index 6 or high.
- Wind
- E 15 km/h
- Precipitation
- 40% · 4 mm
- UV index (max)
- 6 High
- Air quality (AQHI)
- 2 · Low risk
Night
Cloudy. 40 percent chance of showers early in the evening. Showers beginning in the evening. Low 12.
- Low
- 12°
- Wind
- E 15 km/h
- Precipitation
- 40%
Sunrise7:08 AM
Sunset7:28 PM
Daylight12 h 20 min
Normal21° / 11°
SunSep 2019°11°Chance of showersChance of showers70%
Day
Cloudy with 70 percent chance of showers. High 19.
- Precipitation
- 70% · 10 mm
- UV index (max)
- 1 Low
Night
Cloudy with 30 percent chance of showers. Low 11.
- Low
- 11°
- Precipitation
- 30%
Sunrise7:10 AM
Sunset7:25 PM
Daylight12 h 15 min
MonSep 2118°10°Chance of showersChance of showers30%
Day
Cloudy with 30 percent chance of showers. High 18.
- Precipitation
- 30% · 0 mm
- UV index (max)
- 5 Moderate
Night
Cloudy with 30 percent chance of showers. Low 10.
- Low
- 10°
- Precipitation
- 30%
Sunrise7:11 AM
Sunset7:24 PM
Daylight12 h 12 min
TueSep 2217°11°Chance of showersChance of showers60%
Day
Cloudy with 30 percent chance of showers. High 17.
- Precipitation
- 30% · 0 mm
- UV index (max)
- 5 Moderate
Night
Cloudy with 60 percent chance of showers. Low 11.
- Low
- 11°
- Precipitation
- 60%
Sunrise7:12 AM
Sunset7:22 PM
Daylight12 h 10 min
WedSep 2317°11°Chance of showersCloudy40%
Day
Cloudy with 40 percent chance of showers. High 17.
- Precipitation
- 40% · 2 mm
- UV index (max)
- 3 Moderate
Night
Cloudy. Low 11.
- Low
- 11°
Sunrise7:13 AM
Sunset7:20 PM
Daylight12 h 7 min
ThuSep 2419°10°A mix of sun and cloud64%
Day
A mix of sun and cloud. High 19.
- Precipitation
- 64% · 1 mm
- UV index (max)
- 4 Moderate
Night
Low 10.
- Low
- 10°
Sunrise7:14 AM
Sunset7:18 PM
Daylight12 h 4 min
FriSep 2521°9°SunnyNight low 9°2%
Day
Sunny. High 21.
- Wind
- NE 15 km/h
- Wind gusts
- 25 km/h
- Precipitation
- 2% · 0 mm
- UV index (max)
- 6 High
Night
Low 9.
- Low
- 9°
Sunrise7:15 AM
Sunset7:17 PM
Daylight12 h 1 min
SourceExtended outlook
Days 8–14 · trend, lower confidence
SatSep 2621°10°SunnyNight low 10°3%
Day
Sunny. High 21.
- Wind
- E 23 km/h
- Wind gusts
- 43 km/h
- Precipitation
- 3% · 0 mm
- UV index (max)
- 6 High
Night
Low 10.
- Low
- 10°
Sunrise7:16 AM
Sunset7:15 PM
Daylight11 h 58 min
SourceExtended outlook
SunSep 2721°10°SunnyNight low 10°2%
Day
Sunny. High 21.
- Wind
- E 19 km/h
- Wind gusts
- 43 km/h
- Precipitation
- 2% · 0 mm
- UV index (max)
- 6 High
Night
Low 10.
- Low
- 10°
Sunrise7:17 AM
Sunset7:13 PM
Daylight11 h 55 min
SourceExtended outlook
MonSep 2822°11°SunnyNight low 11°7%
Day
Sunny. High 22.
- Wind
- SE 21 km/h
- Wind gusts
- 40 km/h
- Precipitation
- 7% · 0 mm
- UV index (max)
- 6 High
Night
Low 11.
- Low
- 11°
Sunrise7:18 AM
Sunset7:11 PM
Daylight11 h 52 min
SourceExtended outlook
TueSep 2919°13°ShowersNight low 13°91%
Day
Showers. High 19.
- Wind
- SE 16 km/h
- Wind gusts
- 31 km/h
- Precipitation
- 91% · 11 mm
- UV index (max)
- 4 Moderate
Night
Low 13.
- Low
- 13°
Sunrise7:20 AM
Sunset7:09 PM
Daylight11 h 49 min
SourceExtended outlook
WedSep 3019°14°ShowersNight low 14°83%
Day
Showers. High 19.
- Wind
- E 16 km/h
- Wind gusts
- 32 km/h
- Precipitation
- 83% · 4 mm
- UV index (max)
- 4 Moderate
Night
Low 14.
- Low
- 14°
Sunrise7:21 AM
Sunset7:08 PM
Daylight11 h 47 min
SourceExtended outlook
ThuOct 116°11°ShowersNight low 11°36%
Day
Showers. High 16.
- Wind
- NW 31 km/h
- Wind gusts
- 43 km/h
- Precipitation
- 36% · 0.3 mm
- UV index (max)
- 4 Moderate
Night
Low 11.
- Low
- 11°
Sunrise7:22 AM
Sunset7:06 PM
Daylight11 h 44 min
SourceExtended outlook
FriOct 213°6°Mostly cloudyNight low 6°11%
Day
Mostly cloudy. High 13.
- Wind
- NW 26 km/h
- Wind gusts
- 36 km/h
- Precipitation
- 11% · 0 mm
- UV index (max)
- 4 Moderate
Night
Low 6.
- Low
- 6°
Sunrise7:23 AM
Sunset7:04 PM
Daylight11 h 41 min
SourceExtended outlook
14 days at a glance
Today →| Day | Weather | High | Low | Precip | Wind | UV |
|---|---|---|---|---|---|---|
| Today Sep 19 | Showers | 20° | 12° | 40% · 4 mm | E 15 km/h | 6 |
| Sun Sep 20 | Showers | 19° | 11° | 70% · 10 mm | NE 20 km/h | 1 |
| Mon Sep 21 | Partly cloudy | 18° | 10° | 30% · 0 mm | E 26 km/h | 5 |
| Tue Sep 22 | Partly cloudy | 17° | 11° | 60% · 0 mm | E 36 km/h | 5 |
| Wed Sep 23 | Showers | 17° | 11° | 40% · 2 mm | E 31 km/h | 3 |
| Thu Sep 24 | Partly cloudy | 19° | 10° | 64% · 1 mm | E 24 km/h | 4 |
| Fri Sep 25 | Sunny | 21° | 9° | 2% · 0 mm | NE 15 km/h | 6 |
| Sat Sep 26 | Sunny | 21° | 10° | 3% · 0 mm | E 23 km/h | 6 |
| Sun Sep 27 | Sunny | 21° | 10° | 2% · 0 mm | E 19 km/h | 6 |
| Mon Sep 28 | Sunny | 22° | 11° | 7% · 0 mm | SE 21 km/h | 6 |
| Tue Sep 29 | Showers | 19° | 13° | 91% · 11 mm | SE 16 km/h | 4 |
| Wed Sep 30 | Showers | 19° | 14° | 83% · 4 mm | E 16 km/h | 4 |
| Thu Oct 1 | Showers | 16° | 11° | 36% · 0.3 mm | NW 31 km/h | 4 |
| Fri Oct 2 | Mostly cloudy | 13° | 6° | 11% · 0 mm | NW 26 km/h | 4 |
Weather map — St. Thomas
St. Thomas →Forecast: Environment and Climate Change Canada (St. Thomas - Aylmer - Eastern Elgin County), issued 3:31 PM · Days 8–14: WeatherAPI.com · weather.gc.ca · 42.7736°N, 81.1804°W · Elevation 232 m · Population 38,909 · Time zone America/Toronto