Hourly Forecast - Palmerston (Wellington)

SPECIAL WEATHER STATEMENT

8:55 AM EDT Monday 31 August 2026

Showers and embedded thunderstorms today. What: Total rainfall amounts of 30 to 50 mm. Local amounts may exceed 50 mm. When: Ending this evening. Additional information: Local rainfall amounts may exceed 50 mm, especially for areas that receive thunderstorms. Rainfall warnings may be required. Water will likely pool on roads and in low-lying areas. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details. 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:

Mount Forest - Arthur - Northern Wellington County

Date/Time (EDT)	Temp. (°C)	Weather Conditions	Likelihood of precip (%)	UV index	Wind (km/h)	Humidex
31 August 2026
14:00	24	Showers. Risk of thunderstorms	80	3	S 15	29
15:00	24	Showers. Risk of thunderstorms	80	2	S 15	29
16:00	23	Showers. Risk of thunderstorms	80	1	S 15	29
17:00	23	Showers. Risk of thunderstorms	80	*	S 15	29
18:00	22	Chance of showers	40	*	S 10	29
19:00	22	Chance of showers	40	*	S 10	29
20:00	21	Chance of showers	40	*	S 10	29
21:00	20	Mainly cloudy	10	*	S 10	28
22:00	20	Cloudy	10	*	S 10	27
23:00	19	Cloudy	10	*	S 10	*
1 September 2026
00:00	19	Cloudy	10	*	SE 10	*
01:00	19	Mainly cloudy	10	*	SE 10	*
02:00	19	Mainly cloudy	10	*	SE 10	*
03:00	19	Mainly cloudy	10	*	SE 10	*
04:00	19	Mainly cloudy	10	*	SE 10	*
05:00	19	Mainly cloudy	10	*	SE 10	*
06:00	19	Chance of showers	40	*	SW 10	*
07:00	20	Chance of showers	40	*	SW 10	27
08:00	20	Chance of showers	40	1	SW 10	27
09:00	21	Chance of showers	40	3	SW 10	28
10:00	21	Chance of showers	40	4	SW 10	28
11:00	22	Chance of showers	40	7	SW 10	29
12:00	23	A mix of sun and cloud	10	7	W 20	31
13:00	25	Mainly sunny	10	7	W 20	33

* Value not significant

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Date modified:: 2026-07-16

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Hourly Forecast - Palmerston (Wellington)

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Hourly Forecast - Palmerston (Wellington)

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