What to expect today
Newmarket will see a
"A mix of sun and cloud"through the day, with temperatures rising into the mid to high twenties and lingering smoke reducing air quality. Environment Canada observations and the local forecast indicate a daytime high of 27°C and a humidex value that could reach 31.
Conditions this morning were cool and humid, with a reported temperature around 16.2°C at 6:03 a.m., pressure at 101.9 kPa and humidity at 93%. A northerly breeze near 3 km/h was noted. The forecast warns that smoke will be widespread this afternoon, having been localised earlier.
Timing and immediate risks
The detailed hourly outlook shows a steady rise in temperature through the morning into the afternoon:
- 10 a.m. — 20°C
- 1 p.m. — 24°C
- 3–5 p.m. — 26–27°C
The forecast also notes a 40 per cent chance of showers overnight, with a risk of a thunderstorm and a low near 17°C.
Short-term outlook (next few days)
Over the next three days the forecast indicates:
| Day | High | Notes |
|---|---|---|
| Today (Fri) | 27°C | Widespread smoke; very high UV (index 9) |
| Saturday | 25°C | Cloudy with 60% chance of showers; gusty winds possible |
| Sunday | 24°C | Sunny |
What residents should know
Key points from the forecast for Newmarket:
- Expect widespread smoke this afternoon; air quality may be reduced.
- Daytime temperatures around 27°C with a humidex near 31, making it feel noticeably warmer.
- There is a 40% chance of showers overnight and a risk of thunderstorms.
With a UV index of 9 described as very high, sun protection is advisable during midday and afternoon hours despite the smoke. The forecast is based on Environment Canada data provided to local outlets.
