Hourly Forecast - Port Perry
SPECIAL WEATHER STATEMENT
Hazardous travel conditions expected on Sunday. What: Snowfall amounts of 2 to 6 cm. Risk of freezing rain. Easterly winds with gusts up to 70 km/h. Reduced visibilities in snow and local blowing snow. When: Beginning Sunday morning and continuing into Sunday afternoon. Gusty winds may continue Sunday night and Monday for some areas. Additional information: Snow is expected to move into southwestern Ontario Sunday morning, tracking north through the day. The snow and freezing rain risk is expected to end from south to north Sunday midday through Sunday afternoon. Snowfall accumulations may be highly variable, however most areas will receive at least 2 centimetres with locally higher amounts possible. Local utility outages possible. Travel will likely be difficult. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
In effect for:
- Uxbridge - Beaverton - Northern Durham Region
Regional ATOM| Date/Time (EDT) | Temp. (°C) | Weather Conditions | Likelihood of precip (%) | UV index | Wind (km/h) | Wind Chill |
|---|---|---|---|---|---|---|
| 15 March 2026 | ||||||
| 02:00 | -9 |  Partly cloudy | 0 | * | VR 5 | -12 |
| 03:00 | -8 |  Mainly cloudy | 0 | * | E 10 | -13 |
| 04:00 | -7 |  Overcast | 10 | * | E 10 | -12 |
| 05:00 | -6 | Overcast | 10 | * | E 10 | -10 |
| 06:00 | -6 | Overcast | 10 | * | E 15 | -11 |
| 07:00 | -5 | Overcast | 10 | * | E 15 | -11 |
| 08:00 | -5 |  Snow | 80 | * | E 15 | -11 |
| 09:00 | -4 | Snow | 80 | * | E 20 | -10 |
| 10:00 | -3 | Snow | 80 | 1 | E 20 | -9 |
| 11:00 | -2 | Snow | 80 | 1 | E 20 | -8 |
| 12:00 | -1 | Chance of snow mixed with ice pellets. Risk of freezing rain | 60 | 2 | E 30 gusts 60 | -8 |
| 13:00 | 0 | Chance of snow mixed with ice pellets. Risk of freezing rain | 60 | 2 | E 30 gusts 60 | * |
| 14:00 | 1 | Chance of snow mixed with ice pellets. Risk of freezing rain | 60 | 1 | E 30 gusts 60 | * |
| 15:00 | 1 | Overcast | 20 | 1 | E 30 gusts 60 | * |
| 16:00 | 2 | Overcast | 20 | * | E 30 gusts 60 | * |
| 17:00 | 2 | Overcast | 20 | * | E 30 gusts 60 | * |
| 18:00 | 3 | Overcast | 20 | * | E 30 | * |
| 19:00 | 4 | Overcast | 20 | * | E 30 | * |
| 20:00 | 5 | Overcast | 20 | * | E 30 | * |
| 21:00 | 6 | Overcast | 20 | * | E 30 | * |
| 22:00 | 7 | Overcast | 20 | * | E 30 | * |
| 23:00 | 8 | Mainly cloudy | 20 | * | E 30 | * |
| 16 March 2026 | ||||||
| 00:00 | 8 | Mainly cloudy | 20 | * | SE 30 | * |
| 01:00 | 9 | Mainly cloudy | 20 | * | SE 30 | * |
* Value not significant
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