Sarnia
Today
Today weather in Sarnia
Thursday, 31st July 2025
24°
Overcast
Official weather alert: Meteorological - Air Quality Alert. Sarnia will experience a pleasantly warm today, reaching temperatures of up to 23 °C and cooling to about 18 °C in the evening. It'll be quite breezy in Sarnia Today with average wind speeds of 29 km/h.
24° / 19°
Temp
0%
Rain
29 km/h
Wind
71%
Humidity
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 | 06:19 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 20:51 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | | |  | | | | | | |  | | | |  | | |  |  |  | | | Next |
| temperatures | 21.3° | 21.3° | 21.2° | 20.9° | 20.5° | 20.2° | 20.1° | Sunrise | 20.1° | 20.2° | 20.3° | 20.2° | 19.5° | 19.1° | 21° | 20.7° | 21.7° | 22.6° | 22.7° | 22.5° | 22.1° | 21.1° | Sunset | 20.1° | 20° | 18.9° | |
| feels like | 21.3° | 21.3° | 21.2° | 20.9° | 20.5° | 20.2° | 20.1° | 20.1° | 20.2° | 20.3° | 20.2° | 19.5° | 19.1° | 19.5° | 20.7° | 21.7° | 23.9° | 24.4° | 24.6° | 24.5° | 21.1° | 20.1° | 20° | 18.9° | |||
| wind speed | 25 km/h | 22 km/h | 19 km/h | 16 km/h | 14 km/h | 10 km/h | 9 km/h | 10 km/h | 10 km/h | 8 km/h | 9 km/h | 9 km/h | 10 km/h | 14 km/h | 15 km/h | 17 km/h | 20 km/h | 25 km/h | 27 km/h | 27 km/h | 28 km/h | 28 km/h | 29 km/h | 27 km/h | |||
| wind degree | 24° | 33° | 40° | 36° | 42° | 60° | 51° | 53° | 59° | 90° | 110° | 102° | 77° | 67° | 37° | 21° | 20° | 14° | 7° | 4° | 5° | 7° | 21° | 37° | |||
| wind direction | NNE | NNE | NE | NE | NE | ENE | NE | NE | ENE | E | ESE | ESE | ENE | ENE | NE | NNE | NNE | NNE | N | N | N | N | NNE | NE | |||
| humidity | 81% | 75% | 68% | 64% | 65% | 67% | 66% | 68% | 71% | 73% | 72% | 73% | 81% | 69% | 81% | 74% | 71% | 68% | 69% | 69% | 70% | 72% | 73% | 57% | |||
| 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 | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| 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% | |||
| visibility | 10 km | 10 km | 10 km | 5 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 9.7 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 100% | 100% | 100% | 98% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 0% | 100% | 75% | 63% | 50% | 30% | 20% | 10% | 5% | 3% | 17% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.4 | 1.1 | 3.3 | 4 | 2.8 | 4.5 | 5 | 4.1 | 3.1 | 1.6 | 0.6 | 0.1 | 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.
Stay informed and make the most of your day with our live weather updates from Sarnia today.
Weather in Sarnia today
The temperature today in Sarnia is expected to be typical for this time of year, with a forecast of 24 °C, closely aligning with the historical average for 31st of July.
temperatures
24 °C
rain
0 mm
wind
29 km/h
UV
Low
Sarnia daylight overview ☀️
Today in Sarnia, The sun rises at 06:19 and sets at 20:51, giving a total daylight duration of 14 hours and 32 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.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
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 24° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Sarnia? 🌧️
No, there is no significant chance of rain in Sarnia today. It should be a dry day.
What will be the wind speed today in Sarnia? 🌀
The wind in Sarnia is expected to blow at 29 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sarnia today?
Given the forecast of 24 °C with a 0% 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 06:19 and set at 20:51 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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