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Now · 12:42 PM

Penetanguishene Weather & Hourly Forecast

Canada · Ontario

17°C

Sunny

Feels like: 14°C

💧 Humidity 59% 🌡 Pressure 1034 hPa 💨 Wind 13 km/h 👁 Visibility 48.7 km ☁ Clouds 0% ☀️ UV index 4.1 · Moderate 🌅 Sunrise 7:06 AM 🌇 Sunset 7:17 PM

Hourly Forecast for Penetanguishene

Today

1:00 PM

Sunny

17° 💧 None 💨 13 km/h H 59%1034 hPa

4:00 PM

Sunny

18° 💧 None 💨 12 km/h H 52%1033 hPa

7:00 PM

Sunny

16° 💧 None 💨 5 km/h H 72%1032 hPa

10:00 PM

Clear night

13° 💧 None 💨 10 km/h H 85%1033 hPa

Tomorrow

1:00 AM

Clear night

11° 💧 None 💨 12 km/h H 85%1033 hPa

4:00 AM

Clear night

10° 💧 None 💨 10 km/h H 89%1033 hPa

7:00 AM

Clear night

9° 💧 None 💨 9 km/h H 92%1034 hPa

10:00 AM

Sunny

12° 💧 None 💨 8 km/h H 79%1034 hPa

1:00 PM

Sunny

17° 💧 None 💨 6 km/h H 61%1032 hPa

4:00 PM

Sunny

18° 💧 None 💨 5 km/h H 54%1030 hPa

7:00 PM

Sunny

16° 💧 None 💨 9 km/h H 77%1029 hPa

10:00 PM

Clear night

14° 💧 None 💨 6 km/h H 82%1029 hPa

Friday

1:00 AM

Clear night

12° 💧 None 💨 10 km/h H 86%1028 hPa

4:00 AM

Clear night

10° 💧 None 💨 4 km/h H 91%1028 hPa

7:00 AM

Partly cloudy night

10° 💧 None 💨 4 km/h H 96%1029 hPa

10:00 AM

Sunny

14° 💧 None 💨 3 km/h H 81%1029 hPa

Today

1:00 PM

Sunny

17° 💧 None 💨 13 km/h H 59%1034 hPa

2:00 PM

Sunny

17° 💧 None 💨 13 km/h H 56%1034 hPa

3:00 PM

Sunny

18° 💧 None 💨 13 km/h H 53%1033 hPa

4:00 PM

Sunny

18° 💧 None 💨 12 km/h H 52%1033 hPa

5:00 PM

Sunny

18° 💧 None 💨 10 km/h H 52%1032 hPa

6:00 PM

Sunny

18° 💧 None 💨 7 km/h H 59%1032 hPa

7:00 PM

Sunny

16° 💧 None 💨 5 km/h H 72%1032 hPa

8:00 PM

Clear night

14° 💧 None 💨 6 km/h H 83%1033 hPa

9:00 PM

Clear night

13° 💧 None 💨 9 km/h H 88%1033 hPa

10:00 PM

Clear night

13° 💧 None 💨 10 km/h H 85%1033 hPa

11:00 PM

Clear night

12° 💧 None 💨 11 km/h H 85%1033 hPa

Tomorrow

12:00 AM

Clear night

12° 💧 None 💨 12 km/h H 85%1033 hPa

1:00 AM

Clear night

11° 💧 None 💨 12 km/h H 85%1033 hPa

2:00 AM

Clear night

11° 💧 None 💨 11 km/h H 86%1033 hPa

3:00 AM

Clear night

10° 💧 None 💨 11 km/h H 87%1033 hPa

4:00 AM

Clear night

10° 💧 None 💨 10 km/h H 89%1033 hPa

5:00 AM

Clear night

10° 💧 None 💨 9 km/h H 90%1033 hPa

6:00 AM

Clear night

10° 💧 None 💨 9 km/h H 91%1034 hPa

7:00 AM

Clear night

9° 💧 None 💨 9 km/h H 92%1034 hPa

8:00 AM

Sunny

10° 💧 None 💨 9 km/h H 91%1034 hPa

9:00 AM

Sunny

11° 💧 None 💨 9 km/h H 85%1034 hPa

10:00 AM

Sunny

12° 💧 None 💨 8 km/h H 79%1034 hPa

11:00 AM

Sunny

14° 💧 None 💨 7 km/h H 72%1034 hPa

12:00 PM

Sunny

16° 💧 None 💨 7 km/h H 67%1033 hPa

1:00 PM

Sunny

17° 💧 None 💨 6 km/h H 61%1032 hPa

2:00 PM

Sunny

18° 💧 None 💨 6 km/h H 56%1031 hPa

3:00 PM

Sunny

18° 💧 None 💨 6 km/h H 54%1030 hPa

4:00 PM

Sunny

18° 💧 None 💨 5 km/h H 54%1030 hPa

5:00 PM

Sunny

18° 💧 None 💨 2 km/h H 56%1029 hPa

6:00 PM

Sunny

17° 💧 None 💨 8 km/h H 63%1029 hPa

7:00 PM

Sunny

16° 💧 None 💨 9 km/h H 77%1029 hPa

8:00 PM

Clear night

15° 💧 None 💨 5 km/h H 82%1029 hPa

9:00 PM

Clear night

15° 💧 None 💨 5 km/h H 80%1029 hPa

10:00 PM

Clear night

14° 💧 None 💨 6 km/h H 82%1029 hPa

11:00 PM

Clear night

13° 💧 None 💨 6 km/h H 84%1029 hPa

Friday

12:00 AM

Clear night

12° 💧 None 💨 8 km/h H 85%1029 hPa

1:00 AM

Clear night

12° 💧 None 💨 10 km/h H 86%1028 hPa

2:00 AM

Clear night

11° 💧 None 💨 7 km/h H 86%1028 hPa

3:00 AM

Clear night

10° 💧 None 💨 5 km/h H 89%1028 hPa

4:00 AM

Clear night

10° 💧 None 💨 4 km/h H 91%1028 hPa

5:00 AM

Mostly clear night

10° 💧 None 💨 4 km/h H 93%1029 hPa

6:00 AM

Mostly clear night

10° 💧 None 💨 4 km/h H 95%1029 hPa

7:00 AM

Partly cloudy night

10° 💧 None 💨 4 km/h H 96%1029 hPa

8:00 AM

Fog

10° 💧 None 💨 3 km/h H 95%1029 hPa

9:00 AM

Partly cloudy

12° 💧 None 💨 2 km/h H 93%1029 hPa

10:00 AM

Sunny

14° 💧 None 💨 3 km/h H 81%1029 hPa

11:00 AM

Sunny

16° 💧 None 💨 3 km/h H 68%1029 hPa

12:00 PM

Sunny

17° 💧 None 💨 5 km/h H 55%1029 hPa

1:00 PM

Sunny

18° 💧 None 💨 8 km/h H 52%1028 hPa

2:00 PM

Sunny

18° 💧 None 💨 10 km/h H 52%1027 hPa

3:00 PM

Sunny

18° 💧 None 💨 11 km/h H 52%1027 hPa

4:00 PM

Sunny

18° 💧 None 💨 12 km/h H 54%1026 hPa

5:00 PM

Sunny

18° 💧 None 💨 11 km/h H 55%1026 hPa

6:00 PM

Sunny

17° 💧 None 💨 11 km/h H 60%1026 hPa

7:00 PM

Sunny

16° 💧 None 💨 9 km/h H 68%1026 hPa

8:00 PM

Clear night

15° 💧 None 💨 9 km/h H 73%1026 hPa

Saturday

5:00 AM

Clear night

11° 💧 None 💨 8 km/h H 87%1024 hPa

8:00 AM

Sunny

12° 💧 None 💨 6 km/h H 86%1025 hPa

11:00 AM

Sunny

17° 💧 None 💨 5 km/h H 69%1025 hPa

2:00 PM

Sunny

19° 💧 None 💨 10 km/h H 55%1023 hPa

5:00 PM

Sunny

18° 💧 None 💨 18 km/h H 61%1021 hPa

8:00 PM

Overcast night

17° 💧 None 💨 16 km/h H 62%1021 hPa

11:00 PM

Mostly cloudy night

15° 💧 None 💨 13 km/h H 71%1021 hPa

Sunday

2:00 AM

Overcast night

13° 💧 None 💨 10 km/h H 79%1020 hPa

5:00 AM

Overcast night

13° 💧 None 💨 11 km/h H 82%1019 hPa

8:00 AM

Overcast

12° 💧 None 💨 12 km/h H 81%1020 hPa

11:00 AM

Mostly sunny

16° 💧 None 💨 12 km/h H 68%1019 hPa

2:00 PM

Partly cloudy

19° 💧 None 💨 12 km/h H 63%1017 hPa

5:00 PM

Mostly sunny

19° 💧 None 💨 12 km/h H 77%1016 hPa

8:00 PM

Clear night

16° 💧 None 💨 10 km/h H 68%1016 hPa

11:00 PM

Clear night

14° 💧 None 💨 10 km/h H 82%1016 hPa

Monday

2:00 AM

Clear night

13° 💧 None 💨 6 km/h H 84%1016 hPa

5:00 AM

Mostly clear night

12° 💧 None 💨 6 km/h H 86%1016 hPa

8:00 AM

Mostly sunny

12° 💧 None 💨 8 km/h H 86%1017 hPa

11:00 AM

Mostly cloudy

16° 💧 None 💨 7 km/h H 68%1016 hPa

2:00 PM

Mostly sunny

18° 💧 None 💨 11 km/h H 61%1015 hPa

5:00 PM

Sunny

18° 💧 None 💨 16 km/h H 64%1014 hPa

8:00 PM

Clear night

17° 💧 None 💨 11 km/h H 78%1014 hPa

11:00 PM

Clear night

15° 💧 None 💨 8 km/h H 88%1014 hPa

Tuesday

2:00 AM

Clear night

13° 💧 None 💨 5 km/h H 88%1014 hPa

8:00 AM

Sunny

15° 💧 None 💨 6 km/h H 85%1014 hPa

2:00 PM

Sunny

15° 💧 None 💨 11 km/h H 88%1016 hPa

8:00 PM

Overcast night

19° 💧 None 💨 7 km/h H 53%1015 hPa

Wednesday

2:00 AM

Clear night

16° 💧 None 💨 9 km/h H 67%1013 hPa

8:00 AM

Mostly sunny

15° 💧 None 💨 17 km/h H 92%1012 hPa

2:00 PM

Mostly cloudy

15° 💧 None 💨 22 km/h H 92%1010 hPa

8:00 PM

Light rain

20° 💧 None 💨 21 km/h H 85%1007 hPa

Thursday

2:00 AM

Light rain

22° 💧 None 💨 28 km/h H 74%1005 hPa

8:00 AM

Moderate rain

19° 💧 None 💨 18 km/h H 96%1006 hPa

2:00 PM

Overcast

18° 💧 None 💨 18 km/h H 98%1005 hPa

8:00 PM

Light rain

18° 💧 None 💨 31 km/h H 93%1000 hPa

Friday

2:00 AM

Mostly cloudy night

18° 💧 None 💨 26 km/h H 91%998 hPa

8:00 AM

Overcast

14° 💧 None 💨 21 km/h H 88%1002 hPa

2:00 PM

Overcast

11° 💧 None 💨 26 km/h H 73%1007 hPa

8:00 PM

Overcast night

12° 💧 None 💨 28 km/h H 63%1009 hPa

Saturday

2:00 AM

Mostly cloudy night

11° 💧 None 💨 27 km/h H 73%1011 hPa

8:00 AM

Partly cloudy

10° 💧 None 💨 25 km/h H 80%1013 hPa

2:00 PM

Overcast

10° 💧 None 💨 26 km/h H 67%1016 hPa

8:00 PM

Partly cloudy night

11° 💧 None 💨 24 km/h H 61%1020 hPa

Sunday

2:00 AM

Overcast night

11° 💧 None 💨 21 km/h H 62%1021 hPa

8:00 AM

Mostly cloudy

11° 💧 None 💨 14 km/h H 66%1022 hPa

2:00 PM

Light rain

10° 💧 None 💨 13 km/h H 82%1024 hPa

8:00 PM

Light rain

12° 💧 None 💨 13 km/h H 66%1023 hPa

Monday

2:00 AM

Overcast night

12° 💧 None 💨 11 km/h H 60%1022 hPa

8:00 AM

Overcast

10° 💧 None 💨 11 km/h H 88%1021 hPa

2:00 PM

Mostly cloudy

12° 💧 None 💨 13 km/h H 91%1020 hPa

8:00 PM

Overcast night

17° 💧 None 💨 18 km/h H 63%1018 hPa

Tuesday

2:00 AM

Overcast night

15° 💧 None 💨 19 km/h H 71%1016 hPa

8:00 AM

Mostly cloudy

15° 💧 None 💨 21 km/h H 76%1014 hPa

2:00 PM

Mostly cloudy

13° 💧 None 💨 18 km/h H 88%1010 hPa

8:00 PM

Overcast night

17° 💧 None 💨 29 km/h H 90%1004 hPa

Wednesday

2:00 AM

Clear night

14° 💧 None 💨 27 km/h H 73%1005 hPa

8:00 AM

Light rain

12° 💧 None 💨 40 km/h H 69%1005 hPa

2:00 PM

Light rain

10° 💧 None 💨 32 km/h H 73%1007 hPa

8:00 PM

Mostly cloudy night

10° 💧 None 💨 25 km/h H 66%1008 hPa

Thursday

2:00 AM

Partly cloudy night

8° 💧 None 💨 18 km/h H 64%1010 hPa

In Penetanguishene 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 Penetanguishene

TomorrowTomorrow

Sunny 18°/9° 💧 None 💨 12 km/h

Friday, Sep 25Fri Sep 25

Mostly sunny 18°/10° 💧 None 💨 12 km/h

Saturday, Sep 26Sat Sep 26

Overcast 19°/11° 💧 None 💨 18 km/h

Sunday, Sep 27Sun Sep 27

Overcast 19°/12° 💧 None 💨 12 km/h

Monday, Sep 28Mon Sep 28

Mostly sunny 18°/12° 💧 None 💨 16 km/h

Tuesday, Sep 29Tue Sep 29

Overcast 19°/13° 💧 None 💨 11 km/h

Wednesday, Sep 30Wed Sep 30

Light rain 20°/15° 💧 0.9 mm 💨 22 km/h

Thursday, Oct 1Thu Oct 1

Moderate rain 22°/18° 💧 19 mm 💨 31 km/h

Friday, Oct 2Fri Oct 2

Mostly cloudy 18°/11° 💧 3.7 mm 💨 28 km/h

Saturday, Oct 3Sat Oct 3

Partly cloudy 11°/10° 💧 2.1 mm 💨 27 km/h

Sunday, Oct 4Sun Oct 4

Light rain 12°/10° 💧 0.5 mm 💨 21 km/h

Monday, Oct 5Mon Oct 5

Overcast 17°/10° 💧 0.2 mm 💨 18 km/h

Tuesday, Oct 6Tue Oct 6

Overcast 17°/13° 💧 10.0 mm 💨 29 km/h

Wednesday, Oct 7Wed Oct 7

Light rain 14°/10° 💧 3.7 mm 💨 40 km/h

Thursday, Oct 8Thu Oct 8

Partly cloudy 8°/8° 💧 0.2 mm 💨 18 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Penetanguishene

Vertical axis: °C · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Penetanguishene

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 2,7µg/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 3,5µg/m³

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

O₃ Ozone Fair 78,0µg/m³

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

NO₂ Nitrogen dioxide Good 2,8µg/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 Penetanguishene

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 4,7Moderate 🙂Fair

Tomorrow UV 4,6Moderate 😐Moderate

Friday UV 4,1Moderate 😐Moderate

Saturday UV 4,5Moderate 🙂Fair

Sunday UV 5,0Moderate 😊Good

Monday UV 5,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

1:00 PMUV 4,7 2:00 PMUV 4,6 3:00 PMUV 3,7 4:00 PMUV 2,5 5:00 PMUV 1,2 6:00 PMUV 0,4 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 Penetanguishene

Vertical axis: km/h · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PENETANGUISHENE, ONTARIO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:53 PM–5:31 AM

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

☾ Moonlight 94% 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 min71%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Penetanguishene were last refreshed today at 12:42 PM. The current forecast period extends through 25/09/2026 at 10:00 AM. 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.