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The weather in {city} tomorrow, hour by hour: temperature, feels-like, wind, cloud cover and precipitation. Good for deciding what tomorrow's day calls for.

Tomorrow's hourly trend chart

Sarnia weather

Updated: 23:06
00:00
8°
🌤️
mostly clear
Humidity 87.7%
Wind 13.3 km/h
Precipitation 0.0 mm
Feels like 4°
Pressure 1030 hPa
01:00
7°
🌤️
partly cloudy
Humidity 86.4%
Wind 13.7 km/h
Precipitation 0.0 mm
Feels like 3°
Pressure 1030 hPa
02:00
7°
🌤️
partly cloudy
Humidity 87.1%
Wind 14.4 km/h
Precipitation 0.0 mm
Feels like 3°
Pressure 1030 hPa
03:00
8°
🌤️
partly cloudy
Humidity 88.4%
Wind 14.0 km/h
Precipitation 0.0 mm
Feels like 4°
Pressure 1030 hPa
04:00
8°
🌤️
partly cloudy
Humidity 90.8%
Wind 11.2 km/h
Precipitation 0.0 mm
Feels like 4°
Pressure 1031 hPa
05:00
7°
🌤️
mostly clear
Humidity 93.0%
Wind 9.0 km/h
Precipitation 0.0 mm
Feels like 5°
Pressure 1031 hPa
06:00
7°
🌤️
partly cloudy
Humidity 96.7%
Wind 7.9 km/h
Precipitation 0.0 mm
Feels like 4°
Pressure 1031 hPa
07:00
7°
🌤️
mostly clear
Humidity 98.9%
Wind 9.4 km/h
Precipitation 0.0 mm
Feels like 5°
Pressure 1031 hPa
08:00
8°
🌤️
partly cloudy
Humidity 99.8%
Wind 9.4 km/h
Precipitation 0.0 mm
Feels like 5°
Pressure 1032 hPa
09:00
8°
🌫️
fog
Humidity 99.4%
Wind 9.7 km/h
Precipitation 0.0 mm
Feels like 6°
Pressure 1032 hPa
10:00
9°
🌤️
partly cloudy
Humidity 92.6%
Wind 10.8 km/h
Precipitation 0.0 mm
Feels like 6°
Pressure 1033 hPa
11:00
11°
🌤️
partly cloudy
Humidity 80.2%
Wind 8.3 km/h
Precipitation 0.0 mm
Feels like 9°
Pressure 1032 hPa
12:00
12°
🌤️
partly cloudy
Humidity 71.0%
Wind 7.2 km/h
Precipitation 0.0 mm
Feels like 10°
Pressure 1032 hPa
13:00
13°
🌤️
partly cloudy
Humidity 65.0%
Wind 6.8 km/h
Precipitation 0.0 mm
Feels like 11°
Pressure 1032 hPa
14:00
14°
🌤️
partly cloudy
Humidity 62.0%
Wind 6.1 km/h
Precipitation 0.0 mm
Feels like 12°
Pressure 1031 hPa
15:00
14°
🌤️
mostly clear
Humidity 58.5%
Wind 6.1 km/h
Precipitation 0.0 mm
Feels like 12°
Pressure 1031 hPa
16:00
15°
🌤️
partly cloudy
Humidity 57.1%
Wind 7.2 km/h
Precipitation 0.0 mm
Feels like 13°
Pressure 1031 hPa
17:00
14°
🌤️
partly cloudy
Humidity 58.7%
Wind 8.3 km/h
Precipitation 0.0 mm
Feels like 12°
Pressure 1031 hPa
18:00
13°
☁️
overcast
Humidity 68.8%
Wind 9.4 km/h
Precipitation 0.0 mm
Feels like 11°
Pressure 1031 hPa
19:00
12°
☁️
overcast
Humidity 72.0%
Wind 9.7 km/h
Precipitation 0.0 mm
Feels like 10°
Pressure 1031 hPa
20:00
12°
☁️
overcast
Humidity 71.9%
Wind 11.5 km/h
Precipitation 0.0 mm
Feels like 9°
Pressure 1030 hPa
21:00
12°
☁️
overcast
Humidity 78.7%
Wind 13.7 km/h
Precipitation 0.0 mm
Feels like 8°
Pressure 1030 hPa
22:00
11°
☁️
overcast
Humidity 84.7%
Wind 14.4 km/h
Precipitation 0.0 mm
Feels like 8°
Pressure 1031 hPa
23:00
11°
☁️
overcast
Humidity 84.9%
Wind 15.1 km/h
Precipitation 0.0 mm
Feels like 8°
Pressure 1031 hPa

Current weather in Sarnia

The current temperature in Sarnia is 11.6 °C, and it feels like 7.6 °C. Wind speed is around 15.5 km/h, humidity is 67%, and air pressure is 1028 hPa. Conditions right now are best described as partly cloudy.

Over the coming hours it is not temperature alone that shapes how the weather feels around Sarnia — wind and humidity matter just as much. Conditions should feel moderate overall.

Weekly forecast

Tomorrow's forecast for Sarnia points to mostly partly cloudy conditions, with a low near 6.9 °C and a high near 14.8 °C. Tomorrow should stay in a similar temperature range. Tomorrow looks well suited to longer outdoor plans.

Across the week, the daily minimums and maximums together show when a longer cold or milder spell is arriving around Sarnia. A wider daily swing usually means morning and evening call for noticeably different clothing.

Monthly and yearly averages

In October, during autumn, the longer-term average sits around 14.2 °C. That is a useful reference point for judging whether the current day counts as typical or unusual for Sarnia.

Weather archive

The archive lets you look back at how similar months and years behaved, so this page is not only a snapshot of the present but also context for longer-term planning.

Related pages

Nearby cities

Frequently asked questions

What is the temperature in Sarnia right now

It is currently 11.6 °C in Sarnia, and it feels like 7.6 °C.

What will the weather be like in Sarnia tomorrow

Current models point to mostly partly cloudy conditions around Sarnia, with temperatures between 6.9 and 14.8 °C.

What is the air pressure in Sarnia right now

Air pressure around Sarnia is currently 1028 hPa, which is also shown on the live conditions panel.

How windy and humid is it in Sarnia right now

Wind speed is about 15.5 km/h and humidity is 67% around Sarnia.