Sarnia
Today
Today weather in Sarnia
Saturday, 13th December 2025
-4°
Light freezing rain
Sarnia can expect a bitterly cold day Today, with temperatures not exceeding the freezing point. Strong winds are anticipated in Sarnia Today, nearing 32 km/h. Mixed precipitation is expected Today. Rain is highly likely at 63%, but with light accumulations around 0.48 mm. In addition, A few snowflakes might be spotted at a 20% chance. Sleet or freezing rain is also a possibility.
-4° / -14°
Temp
0.24 cm
Snow
32 km/h
Wind
79%
Humidity
Sarnia Weather Pages
Sarnia hourly forecast for today
Scroll right to see more weather forecasts for Sarnia today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 07:53 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 16:55 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  |  | | | | | |  |  |  | |  | | |  | | |  | | | | | | | | Next |
| temperatures | -4.3° | -2.7° | -4° | -3.7° | -3.6° | -3.7° | -3.9° | -4° | Sunrise | -4.8° | -6° | -6.6° | -6.9° | -7° | -7° | -7° | -7.2° | -7.4° | Sunset | -7.7° | -8° | -8.5° | -9.2° | -9.7° | -11.6° | -11.4° | |
| feels like | -9.4° | -9.7° | -9.4° | -9.4° | -9.6° | -9.8° | -10.2° | -10.4° | -12.1° | -13.9° | -14.9° | -15.3° | -15.4° | -15.3° | -15.2° | -15.3° | -15.5° | -15.9° | -16.2° | -16.9° | -17.8° | -18.6° | -20.8° | -20.7° | |||
| wind speed | 21 km/h | 23 km/h | 27 km/h | 26 km/h | 26 km/h | 26 km/h | 28 km/h | 32 km/h | 29 km/h | 26 km/h | 25 km/h | 24 km/h | 25 km/h | 26 km/h | 27 km/h | 26 km/h | 25 km/h | 24 km/h | 22 km/h | 22 km/h | 22 km/h | 24 km/h | 25 km/h | 24 km/h | |||
| wind degree | 212° | 212° | 219° | 219° | 225° | 231° | 263° | 282° | 276° | 276° | 272° | 269° | 269° | 270° | 266° | 269° | 271° | 274° | 274° | 276° | 280° | 281° | 280° | 279° | |||
| wind direction | SSW | SSW | SW | SW | SW | SW | W | WNW | W | W | W | W | W | W | W | W | W | W | W | W | W | WNW | W | W | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.3 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 | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 100% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 74% | 88% | 0% | 0% | 0% | 67% | 73% | 89% | 100% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 86% | 74% | 85% | 86% | 87% | 88% | 88% | 87% | 90% | 81% | 76% | 74% | 72% | 71% | 68% | 67% | 67% | 68% | 71% | 74% | 76% | 76% | 77% | 87% | |||
| dew point | -6.4° | -6.2° | -6.1° | -5.7° | -5.3° | -5.2° | -5.5° | -5.9° | -5.4° | -8.4° | -10.6° | -11° | -11.3° | -11.5° | -11.8° | -12.1° | -12.3° | -12.4° | -12.3° | -12.1° | -12.6° | -13.2° | -13.5° | -15.2° | |||
| visibility | 10 km | 14 km | 5 km | 5 km | 10 km | 10 km | 0 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 | 78% | 100% | 4% | 100% | 100% | 83% | 100% | 100% | 100% | 62% | 48% | 67% | 83% | 84% | 89% | 100% | 100% | 100% | 100% | 99% | 95% | 68% | 54% | 16% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.5 | 0.8 | 1.2 | 1.2 | 0.8 | 0.5 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
How accurate is our weather forecast for Sarnia?
See how others rate our Sarnia forecast accuracy and help others by voting.
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.
Stay informed and make the most of your day with our live weather updates from Sarnia today.
Weather in Sarnia today
The weather in Sarnia today is expected to be noticeably cooler than usual, with a forecast temperature of -4 °C, compared to an average of -0.5 °C for 13th of December in recent years.
temperatures
-4 °C
rain
0.5 mm
wind
32 km/h
snow
0.24 cm
Sarnia daylight overview ☀️
Today in Sarnia, The sun rises at 07:53 and sets at 16:55, giving a total daylight duration of 9 hours and 2 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.
Thermal underwear
Sweater/Fleece
Insulated jacket
Warm pants
Warm boots
Beanie
Gloves/Mitten
Scarf
Thick socks
Umbrella
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 -4° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it snow today in Sarnia? ❄️
Yes, there is a 20% chance of snow in Sarnia today, with an expected snowfall of 0.24 cm cm. Prepare for snowy conditions and consider winter gear if you plan to be outdoors.
Will it rain today in Sarnia? 🌧️
Yes, there is a 63% 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 32 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sarnia today?
Given the forecast of -4 °C with a 63% 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 07:53 and set at 16:55 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.
You are here
Where is Sarnia?Get accurate weather forecasts for Sarnia, located at latitude 42.979 and longitude -82.404. Stay updated with localized weather information tailored for Sarnia.
Found a mistake?
We appreciate your attention to details. Tell us here.