Weather South Island weekend

Weather forecast for South Island for this and next weekend.
Saturday, Jul 4
image/svg+xml
22 / 22°C
0.0 mm image/svg+xml 11 km/h
22 °C 26 °C 9 pm
sunrise 5:41 am
sunset 9:02 pm
HOURLY
During the day the highest temperature 22 °C. Fog overnight with a low of 22 °C.

Interactive map weather Ontario


GPS: 43.6168; -79.3663
altitude: 73 m
local time:
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Weather forecast South Island, Ontario extended forecast

Time State   Temp.   Feels like Precip. Wind PressureHumidity Dew total
 
Fog Low
 
Middle
 
High
 

Saturday 07/04/2026

9 PM
fog 22 °C
26 °C
0.0 mm
 3.1 m/s11 km/h
east-northeast
1013 hPa94 % 21  °C93 % 36% 46% 6% 86%
10 PM
fog 22 °C
26 °C
0.0 mm
 3.6 m/s13 km/h
east-northeast
1013 hPa96 % 21  °C96 % 28% 35% 8% 93%
11 PM
cloudy 22 °C
26 °C
0.0 mm
 2.6 m/s9 km/h
east-northeast
1014 hPa96 % 21  °C82 % 11% 37% 18% 69%

Sunday 07/05/2026

12 AM
overcast 22 °C
26 °C
0.0 mm
 2.4 m/s9 km/h
east-northeast
1014 hPa96 % 20  °C97 % 7% 38% 30% 94%
1 AM
overcast 22 °C
26 °C
0.0 mm
 3.3 m/s12 km/h
northeast
1014 hPa95 % 20  °C99 % 7% 24% 24% 99%
2 AM
overcast 21 °C
24 °C
0.0 mm
 3.2 m/s12 km/h
north-northeast
1014 hPa95 % 20  °C98 % 10% 20% 10% 97%
3 AM
overcast 21 °C
24 °C
0.0 mm
 3.5 m/s13 km/h
northeast
1013 hPa95 % 20  °C98 % 18% 36% 7% 96%
4 AM
fog 21 °C
24 °C
0.0 mm
 3.9 m/s14 km/h
northeast
1013 hPa96 % 20  °C96 % 39% 68% 2% 89%
5 AM
fog 21 °C
24 °C
0.0 mm
 4.1 m/s15 km/h
northeast
1014 hPa96 % 20  °C100 % 58% 93% 5% 98%
6 AM
fog 20 °C
23 °C
0.0 mm
 4.3 m/s15 km/h
northeast
1014 hPa96 % 19  °C99 % 69% 85% 20% 95%
7 AM
fog 21 °C
24 °C
0.0 mm
 4.3 m/s15 km/h
northeast
1014 hPa94 % 19  °C99 % 43% 89% 42% 96%
8 AM
overcast 21 °C
24 °C
0.0 mm
 4.2 m/s15 km/h
east-northeast
1015 hPa91 % 19  °C100 % 21% 60% 89% 100%
9 AM
overcast 22 °C
25 °C
0.0 mm
 3.8 m/s14 km/h
east-northeast
1015 hPa89 % 19  °C100 % 3% 57% 99% 100%
10 AM
overcast 22 °C
25 °C
0.0 mm
 3.8 m/s14 km/h
east-northeast
1015 hPa86 % 19  °C100 % 2% 29% 95% 100%
11 AM
overcast 23 °C
26 °C
0.0 mm
 3.7 m/s13 km/h
east-northeast
1015 hPa83 % 19  °C99 % 0% 3% 92% 97%
12 PM
cloudy 24 °C
27 °C
0.0 mm
 3.6 m/s13 km/h
east
1015 hPa77 % 19  °C93 % 0% 1% 3% 93%
1 PM
cloudy 24 °C
27 °C
0.0 mm
 3.6 m/s13 km/h
east
1015 hPa74 % 19  °C97 % 0% 0% 3% 97%
2 PM
cloudy 24 °C
26 °C
0.0 mm
 3.5 m/s13 km/h
east
1015 hPa71 % 18  °C79 % 0% 0% 3% 78%
3 PM
partly cloudy 24 °C
26 °C
0.0 mm
 3.7 m/s13 km/h
east
1015 hPa70 % 18  °C36 % 0% 0% 0% 35%
4 PM
cloudy 24 °C
26 °C
0.0 mm
 3.6 m/s13 km/h
east
1015 hPa71 % 18  °C62 % 0% 0% 0% 62%
5 PM
cloudy 24 °C
27 °C
0.0 mm
 3.3 m/s12 km/h
east
1014 hPa75 % 19  °C96 % 0% 1% 0% 96%
6 PM
cloudy 24 °C
27 °C
0.0 mm
 3.4 m/s12 km/h
east
1014 hPa77 % 19  °C95 % 0% 1% 7% 94%
7 PM
cloudy 23 °C
25 °C
0.0 mm
 3.6 m/s13 km/h
east-northeast
1014 hPa71 % 17  °C98 % 0% 0% 4% 98%
8 PM
cloudy 23 °C
25 °C
0.0 mm
 3.2 m/s12 km/h
east-northeast
1014 hPa72 % 17  °C99 % 0% 0% 3% 99%
9 PM
cloudy 22 °C
24 °C
0.0 mm
 3.4 m/s12 km/h
east-northeast
1015 hPa71 % 16  °C97 % 0% 1% 3% 97%
10 PM
cloudy 22 °C
24 °C
0.0 mm
 3.4 m/s12 km/h
east-northeast
1015 hPa72 % 16  °C100 % 0% 2% 0% 100%
11 PM
cloudy 22 °C
24 °C
0.0 mm
 3.3 m/s12 km/h
northeast
1015 hPa73 % 16  °C99 % 1% 3% 0% 99%
 

South Island, Ontario - information

State: Ontario
GPS coordinates: 43.6168; -79.3663
Time zone: America / Toronto time difference in hours with time in US is -6 hours

Altitude: 73 m
The administrative part:



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Weather South Island, Ontario. Weather forecast South Island.



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Data source

Weather forecast for South Island is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information South Island

data are always in the local time

Sun and light

 July 4, 2026 
Sunrise: Sunset: 
5:41 am 9:02 pm
Noon: Length of day: 
1:21 pm15:20
Start of civil twilight*: End of civil twilight*: 
5:05 am9:38 pm
Start of nautical twilight*: End of nautical twilight*: 
4:19 am10:23 pm
Start of astronomical twilight*:  End of astronomical twilight*: 
3:22 am11:20 pm
* What is Twilight?

Moon and moon phases

Moonrise: Moonset: 
07/03/2026 11:19 pm 07/04/2026 10:12 am
Next new moon: Next full moon: 
07/14/202607/29/2026

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