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Weather in Seaforth

Ontario, 308 m · continuously updated

–°C
 
 
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Goderich (35 km) · 13 °C · ECCC 08:00

Wind
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Humidity
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Rain ahead
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Sunset
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Temperature · last 4 and next 28 hours

Seaforth weather: the next 24 hours

Updated hourly.

Seaforth 14-day forecast

Two-week trend.

Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, modelled by Copernicus (CAMS).

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Seaforth

Neighbouring towns, as the crow flies.

Official weather warnings

No active warning for Seaforth.

Updated 02 Nov 13:13.

Data Source: Environment and Climate Change Canada, under the Data Services End-use Licence. Warnings are shown unaltered; this site is not endorsed by Environment and Climate Change Canada.

All warnings and the map in Canada

Is there an active weather warning for Seaforth?

No active warning for Seaforth.

Latest measurement near Seaforth

Measured at Goderich, 35 km away from Seaforth, November 2, 08:00 EST. This Environment and Climate Change Canada weather station is at an elevation of 215 m (Ontario). These are measured values, not a forecast.

Temperature12.8 °C
Wind11 km/h S
Gusts, last hour—
Precipitation, last hour0.0 mm
Humidity72 %
Pressure (sea level)1025 hPa

Past 24 hours: low 7.0 °C, high 19.2 °C, 0.3 mm of precipitation.

Seaforth lies at about 308 m; the station is at 215 m.

Latest measurements from the Canadian weather stations

Data Source: Environment and Climate Change Canada. Reports are published as measured, without quality control, and may contain errors or gaps. Not an official product of the Government of Canada and not endorsed by it. Data Services End-use Licence

Today in Seaforth

  • Best time to air the house: between 8:00 and 10:00. The outdoor dew point drops to 6.4 °C; once warmed to 20 °C, that air holds only 41 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
  • Washing outside: allow about 5 h, hanging it out between 12:00 and 17:00. Air at 63 % humidity, 15.3 °C and wind at 14.7 km/h: it will dry, but not quickly. How it is calculated
  • Terrace and barbecue between 18:00 and 23:00: dry, wind at 16 km/h, 14 °C at 8 pm. A lovely evening. How it is calculated

Calculated from Open-Meteo forecasts of 2026-11-02 08:13 (local time): model values, not measurements. All of today's advice

7-day forecast for Seaforth

Today (Monday 2 Nov) in Seaforth: overcast, 7 to 18 °C, precipitation 0.0 mm (4 %), wind up to 20 km/h. Tomorrow: light drizzle, 13 to 20 °C.

DayWeatherMinMaxPrecip.Wind
Todayovercast7 °C18 °C0.0 mm20 km/h
Tomorrowlight drizzle13 °C20 °C0.4 mm24 km/h
Wed 4 Novdrizzle15 °C18 °C2.0 mm32 km/h
Thu 5 Novdrizzle10 °C16 °C2.9 mm27 km/h
Fri 6 Novlight rain6 °C11 °C9.0 mm21 km/h
Sat 7 Novlight drizzle3 °C6 °C1.5 mm20 km/h
Sun 8 Novlight drizzle1 °C8 °C1.2 mm10 km/h

Forecast updated on 02.11.2026 at 08:13 (Open-Meteo model, elevation 308 m). The live block at the top of the page is refreshed hourly and covers 14 days.

Tomorrow's weather in Seaforth

Tomorrow, Tuesday 3 Nov, in Seaforth: light drizzle, from 13 to 20 °C, 0.4 mm of precipitation (probability 14 %), wind up to 24 km/h.

HourWeatherTemp.Precip.ChanceWind
00:00overcast14 °C0.0 mm5 %17 km/h
03:00overcast13 °C0.0 mm10 %17 km/h
06:00overcast14 °C0.0 mm9 %18 km/h
09:00overcast14 °C0.0 mm5 %20 km/h
12:00partly cloudy18 °C0.0 mm5 %24 km/h
15:00partly cloudy20 °C0.0 mm5 %20 km/h
18:00overcast16 °C0.0 mm4 %15 km/h
21:00overcast14 °C0.0 mm0 %14 km/h

Frequently asked questions

Will it rain tomorrow in Seaforth?

No significant rain expected (0.4 mm forecast).

How warm will it be tomorrow in Seaforth?

Between 13 and 20 °C.

The weekend

This weekend in Seaforth: Saturday light drizzle, 3 to 6 °C, Sunday light drizzle, 1 to 8 °C.

DayWeatherMinMaxPrecip.Wind
Sat 7 Novlight drizzle3 °C6 °C1.5 mm20 km/h
Sun 8 Novlight drizzle1 °C8 °C1.2 mm10 km/h

Hour by hour

The next 48 hours in Seaforth, hour by hour: temperature from 9 to 20 °C, 0.4 mm of rain expected.

HourWeatherTemp.Precip.ChanceWind
08:00sunny9 °C0.0 mm1 %10 km/h
09:00overcast13 °C0.0 mm2 %6 km/h
10:00overcast14 °C0.0 mm2 %13 km/h
11:00overcast15 °C0.0 mm2 %10 km/h
12:00overcast15 °C0.0 mm1 %15 km/h
13:00overcast16 °C0.0 mm1 %16 km/h
14:00overcast17 °C0.0 mm1 %14 km/h
15:00partly cloudy18 °C0.0 mm2 %20 km/h
16:00overcast17 °C0.0 mm2 %16 km/h
17:00overcast16 °C0.0 mm2 %12 km/h
18:00overcast15 °C0.0 mm3 %14 km/h
19:00overcast15 °C0.0 mm3 %17 km/h
20:00overcast14 °C0.0 mm3 %17 km/h
21:00overcast14 °C0.0 mm2 %18 km/h
22:00overcast14 °C0.0 mm3 %16 km/h
23:00overcast14 °C0.0 mm4 %17 km/h
00:00overcast14 °C0.0 mm5 %17 km/h
01:00overcast13 °C0.0 mm9 %16 km/h
02:00overcast13 °C0.0 mm7 %16 km/h
03:00overcast13 °C0.0 mm10 %17 km/h
04:00overcast13 °C0.0 mm14 %17 km/h
05:00overcast13 °C0.0 mm10 %17 km/h
06:00overcast14 °C0.0 mm9 %18 km/h
07:00light drizzle14 °C0.4 mm7 %18 km/h
08:00overcast14 °C0.0 mm8 %18 km/h
09:00overcast14 °C0.0 mm5 %20 km/h
10:00overcast16 °C0.0 mm5 %23 km/h
11:00overcast17 °C0.0 mm5 %24 km/h
12:00partly cloudy18 °C0.0 mm5 %24 km/h
13:00partly cloudy18 °C0.0 mm4 %23 km/h
14:00overcast19 °C0.0 mm4 %19 km/h
15:00partly cloudy20 °C0.0 mm5 %20 km/h
16:00partly cloudy19 °C0.0 mm4 %17 km/h
17:00overcast17 °C0.0 mm4 %14 km/h
18:00overcast16 °C0.0 mm4 %15 km/h
19:00overcast15 °C0.0 mm4 %16 km/h
20:00overcast14 °C0.0 mm0 %15 km/h
21:00overcast14 °C0.0 mm0 %14 km/h
22:00partly cloudy14 °C0.0 mm0 %13 km/h
23:00overcast15 °C0.0 mm0 %17 km/h
00:00overcast16 °C0.0 mm0 %20 km/h
01:00overcast17 °C0.0 mm0 %23 km/h
02:00overcast18 °C0.0 mm0 %25 km/h
03:00overcast18 °C0.0 mm0 %23 km/h
04:00overcast16 °C0.0 mm0 %21 km/h
05:00partly cloudy15 °C0.0 mm0 %22 km/h
06:00overcast16 °C0.0 mm0 %22 km/h
07:00mostly sunny15 °C0.0 mm0 %23 km/h

Location of Seaforth

Seaforth lies at 308 m, 101 m above the average of the 265 places we cover in Ontario (207 m). That makes it the 44th highest of the 265. The main town, Toronto, lies 162 km to the east. The nearest places we cover are Huron East (11 km to the north-east), Clinton (13 km to the north-west), Bluewater (19 km to the south-west) and Exeter (24 km to the south). With about 2,680 inhabitants according to GeoNames, Seaforth is the 246th largest of the 265 places we cover in Ontario.

Today is 11.6 °C above the November normal (6.6 °C).

Climate of Seaforth: 1991–2020 normals

In Seaforth, July is typically the warmest month (up to 24.7 °C on average), while February is the coldest at -9.2 °C. October sees the most rain, with around 99 mm.

By season (average highs, 1991–2020 normals): winter -1.0 °C and 229 mm of rain, spring 10.0 °C and 246 mm, summer 23.7 °C and 282 mm, autumn 13.5 °C and 292 mm. The wettest season is autumn (28 % of the annual total), the driest winter (22 %).

Max T (°C)Min T (°C)Rainfall (mm)Rainy days
January-2.2-8.38215
February-1.6-9.26210
March3.1-4.96811
April9.91.68812
May17.08.79011
June22.514.79812
July24.717.49412
August23.816.98911
September20.413.49811
October13.47.49914
November6.61.39515
December0.9-3.88516

Compared with Toronto, the main town 162 km to the east, highs in the warmest month are 1.7 °C lower here, and the year brings 239 mm more precipitation. In 4 months the average low falls below 0 °C (January, February, March and December); in 4 months the average high exceeds 20 °C (June, July, August and September).

Nearby places with normals of their own (from another station or reanalysis grid cell) compare as follows: Huron East (11 km to the north-east): summers 0.5 °C warmer and 35 mm drier a year; Exeter (24 km to the south): summers 0.7 °C warmer and 8 mm drier a year; Goderich (33 km to the north-west): summers 0.8 °C cooler and 2 mm wetter a year. Among the 265 places we cover in Ontario whose normals come from the ERA5 reanalysis, Seaforth ranks 204th for summer warmth and 13th for annual precipitation. The warmest summers are in LaSalle and Tecumseh and the coolest in Shuniah Township; the wettest year is in Crystal Beach and the driest in Kashechewan.

What is the warmest month in Seaforth?

The warmest month in Seaforth is typically July, averaging 24.7 °C (1991–2020 normal). The coldest is February, at -9.2 °C.

How many rainy days does Seaforth get per year?

Seaforth sees about 150 rainy days a year, adding up to roughly 1048 mm of rainfall (1991–2020 normals).

How big is the gap between summer and winter in Seaforth?

Between July and February, the temperature gap in Seaforth runs to about 33.9 °C, based on the 1991–2020 normals.