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Hourly Forecast - Sudbury

YELLOW ADVISORY - FROST

Impact Level: Moderate

Forecast Confidence: High

Patchy frost is likely in many regions again on Wednesday morning. Damage to plants, trees, and crops is possible. Take preventative measures to protect cold-sensitive plants, trees, and crops. Cover up plants, especially those in frost-prone areas. 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 social media using #ONStorm.

In effect for:

  • Greater Sudbury and vicinity
Follow:Regional ATOM feedRegional ATOM
Date/Time
(EDT) 		Temp.
(°C) 		Weather ConditionsLikelihood of precip (%) Wind
(km/h)
22 September 2026
19:00 13 Clear

Clear

0NE 15
20:00 12 Clear

Clear

0NE 10
21:00 11 Clear

Clear

0NE 10
22:00 10 Clear

Clear

0NE 10
23:00 9 Clear

Clear

0E 10
23 September 2026
00:00 7 Clear

Clear

0E 10
01:00 4 Clear

Clear

0E 10
02:00 2 Clear

Clear

0E 10
03:00 2 Clear

Clear

0E 10
04:00 1 Clear

Clear

0E 10
05:00 1 Clear

Clear

0E 10
06:00 2 Clear

Clear

0E 10
07:00 4 Sunny

Sunny

0E 10
08:00 5 Sunny

Sunny

0VR 5
09:00 7 Sunny

Sunny

0VR 5
10:00 9 Sunny

Sunny

0VR 5
11:00 11 Sunny

Sunny

0E 20
12:00 13 Sunny

Sunny

0E 20
13:00 14 Sunny

Sunny

0E 20
14:00 16 Sunny

Sunny

0E 10
15:00 17 Sunny

Sunny

0E 10
16:00 17 Sunny

Sunny

0E 10
17:00 18 Sunny

Sunny

0E 10
18:00 16 A mix of sun and cloud

A mix of sun and cloud

0E 10

* Value not significant

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