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Hourly Forecast - St. John's

YELLOW ADVISORY - FROST

Impact Level: Moderate

Forecast Confidence: High


Areas of frost are expected. Locations: Newfoundland. Minimum temperatures: +5 to 0 degrees except -2 in some low lying areas. Time span: early Saturday morning. Remarks: Patchy frost is expected to form as clear skies and light winds coincide with cool temperatures, especially in low-lying areas. Damage to plants, trees, and crops is possible. Cover up plants, especially those in frost-prone areas. Frost advisories are issued when widespread frost or freezing temperatures are expected during the growing season. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NLstorm@ec.gc.ca or post reports on X using #NLwx.

In effect for:

  • St. John's and vicinity
Date/Time
(NDT)
Temp.
(°C)
Weather ConditionsLikelihood of precip (%) UV indexWind
(km/h)
5 June 2026
20:30 3 Partly cloudy

Partly cloudy

0*NE 10
21:30 3 Partly cloudy

Partly cloudy

0*NE 10
22:30 2 Clear

Clear

0*NE 10
23:30 2 Clear

Clear

0*NE 10
6 June 2026
00:30 1 Clear

Clear

0*NE 10
01:30 1 Clear

Clear

0*NE 10
02:30 1 Clear

Clear

0*VR 5
03:30 1 Clear

Clear

0*VR 5
04:30 1 Clear

Clear

0*VR 5
05:30 1 Sunny

Sunny

0*VR 5
06:30 1 Sunny

Sunny

01VR 5
07:30 4 Sunny

Sunny

02VR 5
08:30 6 Sunny

Sunny

03VR 5
09:30 9 Sunny

Sunny

05VR 5
10:30 9 Sunny

Sunny

06VR 5
11:30 10 Mainly sunny

Mainly sunny

07VR 5
12:30 10 Mainly sunny

Mainly sunny

07VR 5
13:30 12 Mainly sunny

Mainly sunny

06VR 5
14:30 14 Mainly sunny

Mainly sunny

05S 20
15:30 16 Mainly sunny

Mainly sunny

03S 20
16:30 14 Mainly sunny

Mainly sunny

02S 20
17:30 13 Sunny

Sunny

01S 20
18:30 11 Sunny

Sunny

0*S 20
19:30 10 Sunny

Sunny

0*S 20

* Value not significant

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