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Hourly Forecast - Pembroke

YELLOW ADVISORY - FROST

Impact Level: Moderate

Forecast Confidence: High


Frost is expected. Temperatures are expected to fall to near or below the freezing mark tonight into Friday 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 X using #ONStorm.

In effect for:

  • Petawawa - Pembroke - Cobden
Date/Time
(EDT)
Temp.
(°C)
Weather ConditionsLikelihood of precip (%) UV indexWind
(km/h)
21 May 2026
13:00 10 Sunny

Sunny

08N 15
14:00 12 Sunny

Sunny

06NW 10
15:00 13 Sunny

Sunny

05NW 10
16:00 14 Sunny

Sunny

03NW 10
17:00 15 Sunny

Sunny

01NW 10
18:00 14 Sunny

Sunny

0*NW 10
19:00 13 Sunny

Sunny

0*NW 10
20:00 12 Sunny

Sunny

0*N 10
21:00 10 Clear

Clear

0*N 10
22:00 9 Clear

Clear

0*N 10
23:00 7 Clear

Clear

0*N 10
22 May 2026
00:00 6 Clear

Clear

0*N 10
01:00 4 Clear

Clear

0*N 10
02:00 3 Clear

Clear

0*VR 5
03:00 2 Clear

Clear

0*VR 5
04:00 1 Clear

Clear

0*VR 5
05:00 0 Sunny

Sunny

0*VR 5
06:00 1 Sunny

Sunny

0*VR 5
07:00 3 Sunny

Sunny

01VR 5
08:00 4 Sunny

Sunny

02VR 5
09:00 7 Sunny

Sunny

04VR 5
10:00 11 Sunny

Sunny

06VR 5
11:00 14 Sunny

Sunny

07VR 5
12:00 15 Sunny

Sunny

07VR 5

* Value not significant

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