Sarnia
Today
Today weather in Sarnia
Thursday, 10th September 2026
25°
Overcast
Low 18°
Sarnia will experience a pleasantly warm today, reaching temperatures of up to 25 °C and cooling to about 17 °C in the evening. It'll be quite breezy in Sarnia Today with average wind speeds of 20 km/h. There's a slight chance of rain at 14%.
25° / 18°
Temp
14%
Rain
20 km/h
Wind
72%
Humidity
Sarnia Weather Pages
Sarnia hourly forecast for today
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| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 07:03 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 19:49 | 20:00 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | |  |  | | | |  | | | | | | | | | | | | |  |  | | |  | Next |
| temperatures | 20.6° | 20.1° | 19.8° | 19.2° | 18.9° | 18.4° | 18° | 17.5° | Sunrise | 17.9° | 20.3° | 21.6° | 22.2° | 22.8° | 23.5° | 24.4° | 25.4° | 25.2° | 22° | 21.5° | 21.3° | Sunset | 21.3° | 20.1° | 19.5° | 19.1° | |
| wind speed | 20 km/h | 19 km/h | 18 km/h | 19 km/h | 19 km/h | 16 km/h | 17 km/h | 17 km/h | 16 km/h | 16 km/h | 16 km/h | 16 km/h | 14 km/h | 12 km/h | 10 km/h | 11 km/h | 12 km/h | 10 km/h | 9 km/h | 6 km/h | 8 km/h | 13 km/h | 12 km/h | 12 km/h | |||
| wind degree | 251° | 242° | 254° | 272° | 292° | 262° | 281° | 299° | 302° | 314° | 320° | 326° | 329° | 331° | 328° | 329° | 333° | 335° | 347° | 326° | 260° | 241° | 238° | 319° | |||
| wind direction | WSW | WSW | WSW | W | WNW | W | WNW | WNW | WNW | NW | NW | NW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | W | WSW | WSW | NW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 14% | 14% | 14% | 29% | 26% | 31% | 31% | 31% | 30% | 25% | 15% | 14% | 13% | 11% | 12% | 11% | 11% | 13% | 14% | 15% | 7% | 6% | 6% | 15% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 90% | 91% | 91% | 91% | 91% | 92% | 92% | 91% | 91% | 82% | 63% | 59% | 57% | 49% | 50% | 46% | 47% | 55% | 58% | 64% | 67% | 73% | 72% | 74% | |||
| dew point | 19° | 18.6° | 18.4° | 17.7° | 17.4° | 17° | 16.6° | 16.1° | 16.4° | 17.1° | 14.3° | 13.9° | 13.8° | 12.1° | 13.5° | 12.8° | 13.1° | 12.4° | 12.9° | 14.2° | 15° | 15° | 14.4° | 14.3° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 3% | 3% | 6% | 94% | 80% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 28% | 0% | 1% | 74% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.9 | 2 | 3.7 | 5.2 | 5.8 | 5.9 | 4.8 | 2.9 | 1.5 | 0.6 | 0.1 | 0 | 0 | 0 | 0 |
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View of Sarnia today
Explore Sarnia live webcam feed to see how the weather is shaping up today in Sarnia. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
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Weather in Sarnia today
The weather in Sarnia today is expected to be slightly warmer than usual, with a forecast temperature of 25 °C, compared to an average of 22.7 °C for 10th of September in recent years.
temperatures
25 °C
rain
0 mm
wind
20 km/h
UV
High
Sarnia daylight overview ☀️
Today in Sarnia, The sun rises at 07:03 and sets at 19:49, giving a total daylight duration of 12 hours and 46 minutes.
Quick links
More Sarnia weather pages
What to wear today in Sarnia? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Sarnia forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
The weather today in Sarnia - FAQ
What is the maximum temperature for today in Sarnia?
The maximum temperature for today in Sarnia is expected to be 25° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Sarnia? 🌧️
Yes, there is a 14% chance of rain in Sarnia today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Sarnia? 🌀
The wind in Sarnia is expected to blow at 20 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sarnia today?
Given the forecast of 25 °C with a 14% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Sarnia today.
What is the sunrise and sunset time for Sarnia today?
The sun is expected to rise at 07:03 and set at 19:49 in Sarnia.
How accurate is the weather forecast Sarnia today? ✅
Sarnia weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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