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Current weather in South Frontenac is clear sky.

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Weather data for South Frontenac is updated regularly with the latest available observations and forecasts.

Now · 4:50 PM

South Frontenac Weather & Hourly Forecast

Canada · Ontario

15°C

Sunny

Feels like: 11°C

💧 Humidity 52% 🌡 Pressure 1030 hPa 💨 Wind 16 km/h 👁 Visibility 49.7 km ☁ Clouds 0% ☀️ UV index 3.4 · Moderate 🌅 Sunrise 6:52 AM 🌇 Sunset 7:05 PM

Hourly Forecast for South Frontenac

Today

5:00 PM

Sunny

15° 💧 None 💨 16 km/h H 55%1030 hPa

8:00 PM

Clear night

12° 💧 None 💨 14 km/h H 72%1031 hPa

11:00 PM

Clear night

11° 💧 None 💨 15 km/h H 77%1032 hPa

Tomorrow

2:00 AM

Clear night

9° 💧 None 💨 13 km/h H 83%1033 hPa

5:00 AM

Clear night

8° 💧 None 💨 13 km/h H 90%1034 hPa

8:00 AM

Sunny

9° 💧 None 💨 11 km/h H 86%1036 hPa

11:00 AM

Sunny

14° 💧 None 💨 12 km/h H 64%1036 hPa

2:00 PM

Sunny

18° 💧 None 💨 13 km/h H 48%1034 hPa

5:00 PM

Sunny

18° 💧 None 💨 14 km/h H 44%1033 hPa

8:00 PM

Clear night

13° 💧 None 💨 13 km/h H 68%1034 hPa

11:00 PM

Clear night

11° 💧 None 💨 13 km/h H 75%1034 hPa

Thursday

2:00 AM

Clear night

9° 💧 None 💨 10 km/h H 88%1034 hPa

5:00 AM

Clear night

8° 💧 None 💨 10 km/h H 93%1034 hPa

8:00 AM

Sunny

9° 💧 None 💨 10 km/h H 89%1034 hPa

11:00 AM

Sunny

15° 💧 None 💨 10 km/h H 61%1034 hPa

2:00 PM

Sunny

18° 💧 None 💨 11 km/h H 45%1032 hPa

Today

5:00 PM

Sunny

15° 💧 None 💨 16 km/h H 55%1030 hPa

6:00 PM

Sunny

14° 💧 None 💨 15 km/h H 59%1030 hPa

7:00 PM

Sunny

13° 💧 None 💨 14 km/h H 66%1030 hPa

8:00 PM

Clear night

12° 💧 None 💨 14 km/h H 72%1031 hPa

9:00 PM

Clear night

11° 💧 None 💨 14 km/h H 75%1031 hPa

10:00 PM

Clear night

11° 💧 None 💨 14 km/h H 77%1032 hPa

11:00 PM

Clear night

11° 💧 None 💨 15 km/h H 77%1032 hPa

Tomorrow

12:00 AM

Clear night

10° 💧 None 💨 14 km/h H 79%1033 hPa

1:00 AM

Clear night

10° 💧 None 💨 14 km/h H 81%1033 hPa

2:00 AM

Clear night

9° 💧 None 💨 13 km/h H 83%1033 hPa

3:00 AM

Clear night

9° 💧 None 💨 13 km/h H 86%1034 hPa

4:00 AM

Clear night

9° 💧 None 💨 13 km/h H 88%1034 hPa

5:00 AM

Clear night

8° 💧 None 💨 13 km/h H 90%1034 hPa

6:00 AM

Clear night

8° 💧 None 💨 12 km/h H 91%1035 hPa

7:00 AM

Sunny

8° 💧 None 💨 13 km/h H 91%1035 hPa

8:00 AM

Sunny

9° 💧 None 💨 11 km/h H 86%1036 hPa

9:00 AM

Sunny

11° 💧 None 💨 12 km/h H 77%1036 hPa

10:00 AM

Sunny

12° 💧 None 💨 13 km/h H 70%1036 hPa

11:00 AM

Sunny

14° 💧 None 💨 12 km/h H 64%1036 hPa

12:00 PM

Sunny

16° 💧 None 💨 12 km/h H 58%1035 hPa

1:00 PM

Sunny

17° 💧 None 💨 12 km/h H 53%1035 hPa

2:00 PM

Sunny

18° 💧 None 💨 13 km/h H 48%1034 hPa

3:00 PM

Sunny

18° 💧 None 💨 13 km/h H 46%1034 hPa

4:00 PM

Sunny

18° 💧 None 💨 13 km/h H 44%1034 hPa

5:00 PM

Sunny

18° 💧 None 💨 14 km/h H 44%1033 hPa

6:00 PM

Sunny

16° 💧 None 💨 12 km/h H 50%1034 hPa

7:00 PM

Sunny

14° 💧 None 💨 11 km/h H 60%1034 hPa

8:00 PM

Clear night

13° 💧 None 💨 13 km/h H 68%1034 hPa

9:00 PM

Clear night

12° 💧 None 💨 14 km/h H 70%1034 hPa

10:00 PM

Clear night

12° 💧 None 💨 13 km/h H 73%1034 hPa

11:00 PM

Clear night

11° 💧 None 💨 13 km/h H 75%1034 hPa

Thursday

12:00 AM

Clear night

11° 💧 None 💨 12 km/h H 79%1034 hPa

1:00 AM

Clear night

10° 💧 None 💨 11 km/h H 83%1034 hPa

2:00 AM

Clear night

9° 💧 None 💨 10 km/h H 88%1034 hPa

3:00 AM

Clear night

9° 💧 None 💨 10 km/h H 91%1034 hPa

4:00 AM

Clear night

9° 💧 None 💨 10 km/h H 92%1034 hPa

5:00 AM

Clear night

8° 💧 None 💨 10 km/h H 93%1034 hPa

6:00 AM

Clear night

8° 💧 None 💨 11 km/h H 94%1034 hPa

7:00 AM

Sunny

8° 💧 None 💨 11 km/h H 95%1034 hPa

8:00 AM

Sunny

9° 💧 None 💨 10 km/h H 89%1034 hPa

9:00 AM

Sunny

11° 💧 None 💨 9 km/h H 79%1034 hPa

10:00 AM

Sunny

13° 💧 None 💨 10 km/h H 69%1034 hPa

11:00 AM

Sunny

15° 💧 None 💨 10 km/h H 61%1034 hPa

12:00 PM

Sunny

17° 💧 None 💨 11 km/h H 53%1033 hPa

1:00 PM

Sunny

18° 💧 None 💨 11 km/h H 47%1033 hPa

2:00 PM

Sunny

18° 💧 None 💨 11 km/h H 45%1032 hPa

3:00 PM

Sunny

18° 💧 None 💨 12 km/h H 42%1031 hPa

4:00 PM

Sunny

18° 💧 None 💨 13 km/h H 41%1030 hPa

5:00 PM

Sunny

18° 💧 None 💨 12 km/h H 44%1030 hPa

6:00 PM

Sunny

17° 💧 None 💨 9 km/h H 53%1030 hPa

7:00 PM

Sunny

13° 💧 None 💨 10 km/h H 70%1030 hPa

8:00 PM

Clear night

12° 💧 None 💨 11 km/h H 78%1029 hPa

9:00 PM

Clear night

12° 💧 None 💨 10 km/h H 83%1030 hPa

10:00 PM

Clear night

11° 💧 None 💨 10 km/h H 85%1030 hPa

11:00 PM

Clear night

11° 💧 None 💨 10 km/h H 86%1029 hPa

Friday

12:00 AM

Clear night

11° 💧 None 💨 10 km/h H 87%1029 hPa

1:00 AM

Clear night

10° 💧 None 💨 10 km/h H 89%1028 hPa

2:00 AM

Clear night

10° 💧 None 💨 9 km/h H 89%1028 hPa

3:00 AM

Clear night

10° 💧 None 💨 9 km/h H 89%1028 hPa

4:00 AM

Clear night

10° 💧 None 💨 9 km/h H 89%1027 hPa

5:00 AM

Clear night

9° 💧 None 💨 9 km/h H 90%1028 hPa

6:00 AM

Clear night

9° 💧 None 💨 8 km/h H 91%1028 hPa

7:00 AM

Sunny

9° 💧 None 💨 9 km/h H 92%1028 hPa

8:00 AM

Sunny

10° 💧 None 💨 10 km/h H 90%1028 hPa

11:00 AM

Sunny

17° 💧 None 💨 13 km/h H 63%1027 hPa

2:00 PM

Sunny

21° 💧 None 💨 15 km/h H 50%1026 hPa

5:00 PM

Sunny

20° 💧 None 💨 14 km/h H 51%1024 hPa

8:00 PM

Clear night

15° 💧 None 💨 12 km/h H 75%1023 hPa

11:00 PM

Clear night

12° 💧 None 💨 11 km/h H 85%1023 hPa

Saturday

2:00 AM

Clear night

12° 💧 None 💨 12 km/h H 87%1023 hPa

5:00 AM

Clear night

12° 💧 None 💨 13 km/h H 85%1022 hPa

8:00 AM

Sunny

12° 💧 None 💨 14 km/h H 77%1022 hPa

11:00 AM

Mostly sunny

18° 💧 None 💨 13 km/h H 57%1022 hPa

2:00 PM

Overcast

21° 💧 None 💨 17 km/h H 44%1020 hPa

5:00 PM

Mostly sunny

20° 💧 None 💨 16 km/h H 50%1019 hPa

8:00 PM

Clear night

15° 💧 None 💨 13 km/h H 72%1019 hPa

11:00 PM

Overcast night

14° 💧 None 💨 13 km/h H 78%1018 hPa

Sunday

2:00 AM

Overcast night

14° 💧 None 💨 17 km/h H 75%1017 hPa

5:00 AM

Overcast night

13° 💧 None 💨 19 km/h H 71%1016 hPa

8:00 AM

Partly cloudy

13° 💧 None 💨 21 km/h H 72%1015 hPa

11:00 AM

Mostly cloudy

17° 💧 None 💨 23 km/h H 56%1014 hPa

2:00 PM

Overcast

20° 💧 None 💨 22 km/h H 49%1012 hPa

5:00 PM

Overcast

17° 💧 None 💨 20 km/h H 65%1012 hPa

8:00 PM

Overcast night

15° 💧 None 💨 17 km/h H 76%1012 hPa

11:00 PM

Mostly cloudy night

13° 💧 None 💨 16 km/h H 88%1012 hPa

Monday

2:00 AM

Light rain

12° 💧 None 💨 15 km/h H 95%1011 hPa

5:00 AM

Overcast night

12° 💧 None 💨 15 km/h H 97%1011 hPa

8:00 AM

Overcast

12° 💧 None 💨 15 km/h H 94%1011 hPa

2:00 PM

Overcast

18° 💧 None 💨 14 km/h H 69%1010 hPa

8:00 PM

Overcast night

16° 💧 None 💨 6 km/h H 84%1012 hPa

Tuesday

2:00 AM

Partly cloudy night

13° 💧 None 💨 6 km/h H 95%1012 hPa

8:00 AM

Sunny

12° 💧 None 💨 8 km/h H 92%1015 hPa

2:00 PM

Sunny

21° 💧 None 💨 5 km/h H 49%1014 hPa

8:00 PM

Mostly clear night

15° 💧 None 💨 5 km/h H 84%1015 hPa

Wednesday

2:00 AM

Partly cloudy night

12° 💧 None 💨 6 km/h H 99%1016 hPa

8:00 AM

Overcast

12° 💧 None 💨 4 km/h H 99%1018 hPa

2:00 PM

Overcast

21° 💧 None 💨 10 km/h H 61%1016 hPa

8:00 PM

Mostly cloudy night

16° 💧 None 💨 10 km/h H 86%1016 hPa

Thursday

2:00 AM

Overcast night

16° 💧 None 💨 12 km/h H 95%1016 hPa

8:00 AM

Overcast

17° 💧 None 💨 13 km/h H 96%1018 hPa

2:00 PM

Overcast

20° 💧 None 💨 12 km/h H 76%1018 hPa

8:00 PM

Overcast night

18° 💧 None 💨 9 km/h H 89%1018 hPa

Friday

2:00 AM

Overcast night

18° 💧 None 💨 12 km/h H 90%1018 hPa

8:00 AM

Mostly cloudy

17° 💧 None 💨 12 km/h H 97%1017 hPa

2:00 PM

Mostly cloudy

22° 💧 None 💨 15 km/h H 69%1015 hPa

8:00 PM

Overcast night

20° 💧 None 💨 11 km/h H 83%1013 hPa

Saturday

2:00 AM

Light rain

18° 💧 None 💨 15 km/h H 98%1012 hPa

8:00 AM

Overcast

18° 💧 None 💨 10 km/h H 99%1012 hPa

2:00 PM

Mostly sunny

23° 💧 None 💨 16 km/h H 70%1010 hPa

8:00 PM

Overcast night

18° 💧 None 💨 16 km/h H 99%1009 hPa

Sunday

2:00 AM

Moderate rain

18° 💧 None 💨 16 km/h H 99%1006 hPa

8:00 AM

Moderate rain

17° 💧 None 💨 20 km/h H 99%1005 hPa

2:00 PM

Mostly sunny

23° 💧 None 💨 15 km/h H 55%1004 hPa

8:00 PM

Mostly clear night

17° 💧 None 💨 13 km/h H 78%1005 hPa

Monday

2:00 AM

Clear night

14° 💧 None 💨 10 km/h H 92%1005 hPa

8:00 AM

Mostly sunny

13° 💧 None 💨 8 km/h H 95%1006 hPa

2:00 PM

Mostly sunny

19° 💧 None 💨 13 km/h H 57%1005 hPa

8:00 PM

Mostly cloudy night

13° 💧 None 💨 11 km/h H 82%1006 hPa

Tuesday

2:00 AM

Mostly clear night

10° 💧 None 💨 7 km/h H 94%1006 hPa

8:00 AM

Partly cloudy

11° 💧 None 💨 4 km/h H 91%1006 hPa

2:00 PM

Light rain

17° 💧 None 💨 9 km/h H 59%1007 hPa

8:00 PM

Light rain

13° 💧 None 💨 6 km/h H 94%1009 hPa

Wednesday

2:00 AM

Overcast night

11° 💧 None 💨 17 km/h H 91%1012 hPa

8:00 AM

Overcast

10° 💧 None 💨 19 km/h H 74%1016 hPa

In South Frontenac and, more broadly, across the province of Ontario: This morning across the region, mainly cloudy skies are expected to persist, with temperatures ranging from about 8 to 17 degrees Celsius. In many areas, conditions are expected to remain dry through the early hours. During the afternoon, skies will likely stay mostly cloudy, with temperatures remaining steady within the same range. Winds will predominantly come from the northeast at around 14 km/h, with gusts reaching up to 32 km/h at times. Overall, little to no precipitation is anticipated today, but the breeze from the northeast may cause some minor disturbances locally. No significant weather hazards are expected in the coming hours.

15-Day Weather Outlook for South Frontenac

TomorrowTomorrow

Sunny 18°/8° 💧 None 💨 14 km/h

Thursday, Sep 24Thu Sep 24

Sunny 18°/8° 💧 None 💨 13 km/h

Friday, Sep 25Fri Sep 25

Sunny 21°/9° 💧 None 💨 15 km/h

Saturday, Sep 26Sat Sep 26

Mostly sunny 21°/12° 💧 None 💨 17 km/h

Sunday, Sep 27Sun Sep 27

Overcast 20°/13° 💧 0.3 mm 💨 23 km/h

Monday, Sep 28Mon Sep 28

Light rain 18°/12° 💧 0.8 mm 💨 15 km/h

Tuesday, Sep 29Tue Sep 29

Partly cloudy 21°/12° 💧 0.0 mm 💨 8 km/h

Wednesday, Sep 30Wed Sep 30

Overcast 21°/12° 💧 None 💨 10 km/h

Thursday, Oct 1Thu Oct 1

Overcast 20°/16° 💧 None 💨 13 km/h

Friday, Oct 2Fri Oct 2

Overcast 22°/17° 💧 0.1 mm 💨 15 km/h

Saturday, Oct 3Sat Oct 3

Light rain 23°/18° 💧 10 mm 💨 16 km/h

Sunday, Oct 4Sun Oct 4

Moderate rain 23°/17° 💧 27 mm 💨 20 km/h

Monday, Oct 5Mon Oct 5

Mostly sunny 19°/13° 💧 0.9 mm 💨 13 km/h

Tuesday, Oct 6Tue Oct 6

Light rain 17°/10° 💧 3.2 mm 💨 9 km/h

Wednesday, Oct 7Wed Oct 7

Overcast 11°/10° 💧 0.5 mm 💨 19 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in South Frontenac

Vertical axis: °C · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for South Frontenac

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 1,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 1,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 80,6µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,0µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in South Frontenac

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 4,8Moderate 🙂Fair

Tomorrow UV 4,6Moderate 🙂Fair

Thursday UV 4,6Moderate 🙂Fair

Friday UV 4,6Moderate 🙂Fair

Saturday UV 6,0High 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

5:00 PMUV 1,0 6:00 PMUV 0,3 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for South Frontenac

Vertical axis: km/h · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SOUTH FRONTENAC, ONTARIO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:41 PM–5:16 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 60° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min72%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for South Frontenac were last refreshed today at 4:00 PM. The current forecast period extends through 24/09/2026 at 2:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.