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Now · 12:55 PM

Renfrew Weather & Hourly Forecast

Canada · Ontario

Sunny
26°C
Sunny
Feels like: 26°C
💧 Humidity 60% 🌡 Pressure 1011 hPa 💨 Wind 11 km/h 👁 Visibility 10.0 km Clouds 1% ☀️ UV index 5.7 · Moderate 🌅 Sunrise 6:30 AM 🌇 Sunset 7:41 PM

Hourly Forecast for Renfrew

Today
Sunny · 1:00 PM Sunny
26° 💧 None 💨 11 km/h H 60%1011 hPa
Mostly cloudy · 4:00 PM Mostly cloudy
25° 💧 None 💨 10 km/h H 62%1011 hPa
Overcast · 7:00 PM Overcast
22° 💧 None 💨 6 km/h H 66%1011 hPa
Overcast night · 10:00 PM Overcast night
19° 💧 None 💨 7 km/h H 65%1011 hPa
Tomorrow
Partly cloudy night · 1:00 AM Partly cloudy night
17° 💧 None 💨 10 km/h H 86%1013 hPa
Clear night · 4:00 AM Clear night
15° 💧 None 💨 10 km/h H 95%1012 hPa
Sunny · 7:00 AM Sunny
16° 💧 None 💨 10 km/h H 98%1012 hPa
Partly cloudy · 10:00 AM Partly cloudy
20° 💧 None 💨 14 km/h H 66%1013 hPa
Mostly sunny · 1:00 PM Mostly sunny
25° 💧 None 💨 16 km/h H 51%1012 hPa
Overcast · 4:00 PM Overcast
22° 💧 None 💨 15 km/h H 59%1012 hPa
Mostly cloudy · 7:00 PM Mostly cloudy
20° 💧 None 💨 14 km/h H 72%1012 hPa
Mostly cloudy night · 10:00 PM Mostly cloudy night
15° 💧 None 💨 11 km/h H 90%1013 hPa
Saturday
Mostly cloudy night · 1:00 AM Mostly cloudy night
15° 💧 None 💨 10 km/h H 96%1013 hPa
Overcast night · 4:00 AM Overcast night
15° 💧 None 💨 11 km/h H 92%1013 hPa
Mostly cloudy · 7:00 AM Mostly cloudy
12° 💧 None 💨 9 km/h H 99%1015 hPa
Overcast · 10:00 AM Overcast
17° 💧 None 💨 14 km/h H 78%1015 hPa

In Renfrew and, more broadly, across the province of Ontario: Today, across the region, a mix of sun and cloud is expected to dominate the rest of the afternoon, with temperatures generally ranging from 19 to 25 degrees Celsius. In many areas, conditions will remain dry, although some clouds may occasionally obscure the sun. Winds are expected to be light to moderate from the west, with speeds around 16 km/h and gusts reaching up to 26 km/h. Overall, it will be a relatively mild and pleasant day, with no significant weather hazards anticipated.

15-Day Weather Outlook for Renfrew

TomorrowTomorrow Mostly sunny Mostly sunny 25°/15° 💧 None 💨 17 km/h
Saturday, Sep 5Sat Sep 5 Mostly cloudy Mostly cloudy 21°/12° 💧 None 💨 19 km/h
Sunday, Sep 6Sun Sep 6 Sunny Sunny 22°/ 💧 None 💨 11 km/h
Monday, Sep 7Mon Sep 7 Partly cloudy Partly cloudy 26°/10° 💧 None 💨 12 km/h
Tuesday, Sep 8Tue Sep 8 Overcast Overcast 21°/ 💧 None 💨 8 km/h
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 21°/11° 💧 5.2 mm 💨 16 km/h
Thursday, Sep 10Thu Sep 10 Light rain Light rain 21°/12° 💧 1.7 mm 💨 32 km/h
Friday, Sep 11Fri Sep 11 Overcast Overcast 18°/ 💧 None 💨 22 km/h
Saturday, Sep 12Sat Sep 12 Sunny Sunny 23°/ 💧 None 💨 11 km/h
Sunday, Sep 13Sun Sep 13 Moderate rain Moderate rain 17°/11° 💧 7.3 mm 💨 14 km/h
Monday, Sep 14Mon Sep 14 Light rain Light rain 23°/14° 💧 2.5 mm 💨 13 km/h
Tuesday, Sep 15Tue Sep 15 Moderate rain Moderate rain 20°/14° 💧 22 mm 💨 20 km/h
Wednesday, Sep 16Wed Sep 16 Moderate rain Moderate rain 13°/ 💧 7.9 mm 💨 22 km/h
Thursday, Sep 17Thu Sep 17 Light rain Light rain 14°/ 💧 0.5 mm 💨 23 km/h
Friday, Sep 18Fri Sep 18 Sunny Sunny 15°/ 💧 None 💨 15 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Renfrew

Vertical axis: °C · Color based on temperature
Sunny at 1:00 PM
78° Today 1:00 PM
Sunny at 2:00 PM
79° 2:00 PM
Partly cloudy at 3:00 PM
78° 3:00 PM
Mostly cloudy at 4:00 PM
77° 4:00 PM
Mostly cloudy at 5:00 PM
77° Today 5:00 PM
Overcast at 6:00 PM
76° 6:00 PM
Overcast at 7:00 PM
72° 7:00 PM
Overcast night at 8:00 PM
69° 8:00 PM
Overcast night at 9:00 PM
68° Today 9:00 PM
Overcast night at 10:00 PM
66° 10:00 PM
Mostly cloudy night at 11:00 PM
64° 11:00 PM
Mostly cloudy night at 12:00 AM
64° 12:00 AM
Partly cloudy night at 1:00 AM
63° Tomorrow 1:00 AM
Partly cloudy night at 2:00 AM
62° 2:00 AM
Clear night at 3:00 AM
61° 3:00 AM
Clear night at 4:00 AM
60° 4:00 AM
Clear night at 5:00 AM
60° Tomorrow 5:00 AM
Clear night at 6:00 AM
60° 6:00 AM
Sunny at 7:00 AM
61° 7:00 AM
Sunny at 8:00 AM
63° 8:00 AM
Mostly cloudy at 9:00 AM
66° Tomorrow 9:00 AM
Partly cloudy at 10:00 AM
69° 10:00 AM
Partly cloudy at 11:00 AM
73° 11:00 AM
Mostly sunny at 12:00 PM
75° 12:00 PM
Mostly sunny at 1:00 PM
77° Tomorrow 1:00 PM
Partly cloudy at 2:00 PM
77° 2:00 PM
Mostly cloudy at 3:00 PM
74° 3:00 PM
Overcast at 4:00 PM
72° 4:00 PM
Overcast at 5:00 PM
72° Tomorrow 5:00 PM
Mostly cloudy at 6:00 PM
73° 6:00 PM
Mostly cloudy at 7:00 PM
68° 7:00 PM
Mostly cloudy night at 8:00 PM
63° 8:00 PM
Mostly cloudy night at 9:00 PM
61° Tomorrow 9:00 PM
Mostly cloudy night at 10:00 PM
59° 10:00 PM
Mostly cloudy night at 11:00 PM
59° 11:00 PM
Overcast night at 12:00 AM
60° 12:00 AM
Mostly cloudy night at 1:00 AM
58° Saturday 1:00 AM
Mostly cloudy night at 2:00 AM
60° 2:00 AM
Mostly cloudy night at 3:00 AM
57° 3:00 AM
Overcast night at 4:00 AM
58° 4:00 AM
Overcast night at 5:00 AM
56° Saturday 5:00 AM
Mostly cloudy night at 6:00 AM
54° 6:00 AM
Mostly cloudy at 7:00 AM
54° 7:00 AM
Mostly cloudy at 8:00 AM
57° 8:00 AM
Overcast at 9:00 AM
60° Saturday 9:00 AM
Overcast at 10:00 AM
62° 10:00 AM
Mostly cloudy at 11:00 AM
67° 11:00 AM
Mostly cloudy at 12:00 PM
69° 12:00 PM
Mostly cloudy at 1:00 PM
70° Saturday 1:00 PM
Mostly cloudy at 2:00 PM
69° 2:00 PM
Overcast at 3:00 PM
67° 3:00 PM
Overcast at 4:00 PM
67° 4:00 PM
Overcast at 5:00 PM
68° Saturday 5:00 PM
Overcast at 6:00 PM
66° 6:00 PM
Overcast at 7:00 PM
64° 7:00 PM
Mostly cloudy night at 8:00 PM
58° 8:00 PM
Clear night at 9:00 PM
56° Saturday 9:00 PM
Clear night at 10:00 PM
55° 10:00 PM
Clear night at 11:00 PM
53° 11:00 PM
Clear night at 12:00 AM
52° 12:00 AM
Clear night at 1:00 AM
51° Sunday 1:00 AM
Clear night at 2:00 AM
50° 2:00 AM
Clear night at 3:00 AM
50° 3:00 AM
Clear night at 4:00 AM
49° 4:00 AM
Clear night at 5:00 AM
49° Sunday 5:00 AM
Clear night at 6:00 AM
48° 6:00 AM
Sunny at 7:00 AM
48° 7:00 AM
Sunny at 8:00 AM
51° 8:00 AM
Sunny at 9:00 AM
56° Sunday 9:00 AM
Sunny at 10:00 AM
61° 10:00 AM
Sunny at 11:00 AM
65° 11:00 AM
Sunny at 12:00 PM
68° 12:00 PM
Sunny at 1:00 PM
70° Sunday 1:00 PM
Sunny at 2:00 PM
72° 2:00 PM
Sunny at 3:00 PM
72° 3:00 PM
Sunny at 4:00 PM
73° 4:00 PM
Sunny at 5:00 PM
72° Sunday 5:00 PM
Sunny at 6:00 PM
71° 6:00 PM
Sunny at 7:00 PM
65° 7:00 PM
Mostly clear night at 8:00 PM
60° 8:00 PM
Mostly cloudy night at 9:00 PM
58° Sunday 9:00 PM
Mostly cloudy night at 10:00 PM
57° 10:00 PM
Partly cloudy night at 11:00 PM
56° 11:00 PM
Partly cloudy night at 12:00 AM
55° 12:00 AM
Partly cloudy night at 1:00 AM
54° Monday 1:00 AM
Mostly clear night at 2:00 AM
53° 2:00 AM
Clear night at 3:00 AM
52° 3:00 AM
Clear night at 4:00 AM
51° 4:00 AM
Clear night at 5:00 AM
51° Monday 5:00 AM
Clear night at 6:00 AM
50° 6:00 AM
Mostly sunny at 7:00 AM
50° 7:00 AM
Mostly sunny at 8:00 AM
55° 8:00 AM
Mostly sunny at 9:00 AM
61° Monday 9:00 AM
Partly cloudy at 10:00 AM
66° 10:00 AM
Partly cloudy at 11:00 AM
70° 11:00 AM
Partly cloudy at 12:00 PM
74° 12:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Renfrew

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 1:00 PM
PM2.5 Fine particles Good 5,0µg/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 5,2µg/m³

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

O₃ Ozone Fair 68,5µg/m³

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

NO₂ Nitrogen dioxide Good 0,8µg/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 Renfrew

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 6,3High 🙂Fair
Tomorrow UV 6,3High 😊Good
Saturday UV 4,6Moderate 😊Good
Sunday UV 5,9Moderate 🙂Fair
Monday UV 7,0High 😊Good
Tuesday UV 4,0Moderate Unavailable
Wednesday UV 4,0Moderate Unavailable
Hourly UV index today
1:00 PMUV 6,3 2:00 PMUV 5,8 3:00 PMUV 4,5 4:00 PMUV 3,1 5:00 PMUV 1,5 6:00 PMUV 0,4 7:00 PMUV 0,1
Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

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

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Renfrew

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 1:00 PM 2:00 PM 3:00 PM 4:00 PM Today 5:00 PM 6:00 PM 7:00 PM 8:00 PM Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Saturday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Saturday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Saturday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Saturday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Saturday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Saturday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Sunday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Sunday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Sunday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Sunday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Sunday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Sunday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Monday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Monday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Monday 9:00 AM 10:00 AM 11:00 AM 12:00 PM
Sustained wind Max gusts
Internal PR simulation: 3.93 Population: 8,190

Forecast data for Renfrew were last refreshed today at 12:55 PM. The current forecast period extends through 05/09/2026 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.