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Hourly Forecast - Gravenhurst

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:

  • Bracebridge - Gravenhurst
Date/Time
(EDT)
Temp.
(°C)
Weather ConditionsLikelihood of precip (%) UV indexWind
(km/h)
22 September 2026
19:00 13 Clear

Clear

0*NE 15
20:00 11 Clear

Clear

0*NE 10
21:00 10 Clear

Clear

0*NE 10
22:00 8 Clear

Clear

0*NE 10
23:00 7 Clear

Clear

0*NE 10
23 September 2026
00:00 6 Clear

Clear

0*NE 10
01:00 6 Clear

Clear

0*NE 10
02:00 5 Clear

Clear

0*NE 10
03:00 4 Clear

Clear

0*NE 10
04:00 4 Clear

Clear

0*NE 10
05:00 3 Clear

Clear

0*NE 10
06:00 4 Clear

Clear

0*NE 10
07:00 5 Sunny

Sunny

0*NE 10
08:00 6 Sunny

Sunny

01E 15
09:00 8 Sunny

Sunny

02E 15
10:00 10 Sunny

Sunny

03E 15
11:00 12 Sunny

Sunny

05E 15
12:00 14 Sunny

Sunny

05E 15
13:00 16 Sunny

Sunny

05E 15
14:00 18 Sunny

Sunny

04E 15
15:00 18 Sunny

Sunny

03E 15
16:00 17 Sunny

Sunny

01E 15
17:00 17 Sunny

Sunny

0*E 15
18:00 16 Sunny

Sunny

0*E 15

* Value not significant

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