Sarnia
Tomorrow
Tomorrow weather in Sarnia
Tuesday, 21st July 2026
27°
Patchy rain possible
Low 17°
The weather tomorrow in Sarnia will be similar like today, with max temperatures of 27°.
The rain will visit again tomorrow in Sarnia and the expected precipitation are 12 mm.
The wind tomorrow will get stronger and reach 34 km/h.
27° / 17°
Temp
81%
Rain
34 km/h
Wind
77%
Humidity
Sarnia Weather Pages
Sarnia hourly forecast for tomorrow
Scroll right to see more weather forecasts for Sarnia tomorrow
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:09 | 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 | 21:00 | 21:02 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | |  | | | |  | | | |  |  | | | | | | | | |  |  |  |  |  | Next |
| temperatures | 20.1° | 19.8° | 19.1° | 19.1° | 19.7° | 20.1° | 19.9° | Sunrise | 20.5° | 20.9° | 22.2° | 23.4° | 25.5° | 25.7° | 26.2° | 27.1° | 27.4° | 26.6° | 26.4° | 25° | 22.5° | 20.3° | 19.9° | Sunset | 18.8° | 16.5° | |
| feels like | 12.3° | 12.1° | 12.5° | 11.7° | 11° | 10.6° | 10.8° | 11.8° | 12.1° | 13.2° | 14° | 17.8° | 19.7° | 23.1° | 28.1° | 28.2° | 25.4° | 24° | 15.1° | 12.3° | 10.5° | 10.6° | 8.5° | 5.9° | |||
| wind speed | 19 km/h | 19 km/h | 14 km/h | 18 km/h | 24 km/h | 28 km/h | 26 km/h | 25 km/h | 25 km/h | 26 km/h | 28 km/h | 33 km/h | 32 km/h | 29 km/h | 27 km/h | 28 km/h | 25 km/h | 28 km/h | 30 km/h | 32 km/h | 30 km/h | 28 km/h | 32 km/h | 34 km/h | |||
| wind degree | 195° | 198° | 201° | 191° | 191° | 209° | 218° | 212° | 217° | 222° | 232° | 248° | 271° | 280° | 280° | 288° | 285° | 298° | 314° | 322° | 315° | 315° | 311° | 313° | |||
| wind direction | SSW | SSW | SSW | SSW | S | SSW | SW | SSW | SW | SW | SW | WSW | W | W | W | WNW | WNW | WNW | NW | NW | NW | NW | NW | NW | |||
| Precipitation | 0 mm | 0.1 mm | 0.2 mm | 2.2 mm | 0.8 mm | 1.5 mm | 1.1 mm | 0.3 mm | 0.5 mm | 0.1 mm | 0.5 mm | 2.4 mm | 1.6 mm | 0.3 mm | 0.2 mm | 0.2 mm | 0.1 mm | 0.1 mm | 0.3 mm | 0.3 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 20% | 30% | 44% | 74% | 66% | 74% | 77% | 54% | 66% | 37% | 51% | 68% | 57% | 36% | 17% | 19% | 17% | 17% | 29% | 38% | 11% | 6% | 5% | 7% | |||
| 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 | 77% | 84% | 90% | 93% | 94% | 94% | 96% | 96% | 96% | 93% | 88% | 72% | 68% | 66% | 58% | 55% | 58% | 57% | 64% | 76% | 73% | 68% | 65% | 69% | |||
| dew point | 16° | 17° | 17.5° | 18° | 18.6° | 19.1° | 19.4° | 19.9° | 20.3° | 21.1° | 21.3° | 20.2° | 19.5° | 19.3° | 18.2° | 17.6° | 17.7° | 17.2° | 17.8° | 18.1° | 15.3° | 13.9° | 12° | 10.9° | |||
| visibility | 10 km | 10 km | 9 km | 9 km | 9 km | 10 km | 10 km | 10 km | 10 km | 10 km | 5 km | 10 km | 10 km | 9 km | 10 km | 10 km | 10 km | 10 km | 5 km | 9 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 76% | 79% | 86% | 59% | 81% | 76% | 100% | 100% | 99% | 80% | 54% | 86% | 74% | 89% | 62% | 81% | 79% | 79% | 76% | 82% | 46% | 15% | 8% | 25% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.3 | 1.1 | 2.6 | 3.8 | 5.8 | 7.3 | 7 | 3.4 | 2.3 | 2 | 1.6 | 0.6 | 0.2 | 0 | 0 | 0 |
Weather in Sarnia tomorrow
The weather in Sarnia tomorrow is expected to be much warmer than usual, with a forecast temperature of 27 °C, compared to an average of 22 °C for 21st of July in recent years.
temperatures
27 °C
rain
12.7 mm
wind
34 km/h
UV
High
Sarnia daylight overview ☀️
Tomorrow in Sarnia, The sun rises at 06:09 and sets at 21:02, giving a total daylight duration of 14 hours and 53 minutes.
Quick links
More Sarnia weather pages
What to wear tomorrow in Sarnia? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Sarnia forecast.
Short-sleeve shirt
Shorts
Lightweight trousers
Sunglasses
Wide brimmed hat
Sunscreen
Umbrella
The weather tomorrow in Sarnia - FAQ
What is the maximum temperature for tomorrow in Sarnia?
The maximum temperature for tomorrow in Sarnia is expected to be 27° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Sarnia? 🌧️
Yes, there is a 81% chance of rain in Sarnia tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Sarnia? 🌀
The wind in Sarnia is expected to blow at 34 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sarnia tomorrow?
Given the forecast of 27 °C with a 81% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Sarnia tomorrow.
What is the sunrise and sunset time for Sarnia tomorrow?
The sun is expected to rise at 06:09 and set at 21:02 in Sarnia.
How accurate is the weather forecast Sarnia tomorrow? ✅
Sarnia weather forecast for tomorrow 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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