Hourly Forecast - Sarnia

No Alerts in effect

Date/Time
(EDT)
Temp.
(°C)
Weather Conditions Likelihood of
precipFootnote
Wind
(km/h)
Humidex
18 June 2021
00:00 20 Partly cloudy

Partly cloudy

Low S 15
*
01:00 19 Partly cloudy

Partly cloudy

Low SW 15
*
02:00 18 Mainly cloudy

Mainly cloudy

Low SW 20
*
03:00 19 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Medium S 15
*
04:00 19 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Medium S 20
*
05:00 20 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Medium S 15
*
06:00 20 A few showers. Risk of thunderstorms

A few showers. Risk of thunderstorms

High SW 10
*
07:00 21 A few showers. Risk of thunderstorms

A few showers. Risk of thunderstorms

High SW 15
*
08:00 21 A few showers. Risk of thunderstorms

A few showers. Risk of thunderstorms

High SW 15
25
09:00 21 A few showers. Risk of thunderstorms

A few showers. Risk of thunderstorms

High SW 30
gust 50
26
10:00 22 A few showers. Risk of thunderstorms

A few showers. Risk of thunderstorms

High SW 20
gust 40
27
11:00 22 Chance of showers

Chance of showers

Low SW 20
gust 40
27
12:00 24 Chance of showers

Chance of showers

Low SW 20
29
13:00 26 Chance of showers

Chance of showers

Low SW 20
32
14:00 28 Chance of showers

Chance of showers

Low SW 20
34
15:00 28 Chance of showers

Chance of showers

Low SW 30
34
16:00 29 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Low SW 30
35
17:00 29 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Low SW 30
35
18:00 29 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Low SW 20
35
19:00 28 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Low SW 20
34
20:00 28 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Low SW 15
34
21:00 27 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

Low W 15
33
22:00 25 Clear

Clear

Low W 15
32
23:00 24 Clear

Clear

Low W 15
31

* Value not significant

What we are doing

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