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Weather in Greenstone

Ontario, 339 m · continuously updated

–°C
 
 
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Geraldton Airport (18 km) · 10 °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

Greenstone weather: the next 24 hours

Updated hourly.

Greenstone 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 Greenstone

Neighbouring towns, as the crow flies.

Official weather warnings

No active warning for Greenstone.

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 Greenstone?

No active warning for Greenstone.

Latest measurement near Greenstone

Measured at Geraldton Airport, 18 km away from Greenstone, November 2, 08:00 EST. This Environment and Climate Change Canada weather station is at an elevation of 350 m (Ontario). These are measured values, not a forecast.

Temperature9.6 °C
Wind4 km/h SW
Gusts, last hour—
Precipitation, last hour0.0 mm
Humidity99 %
Pressure (sea level)1018 hPa

Past 24 hours: low 0.7 °C, high 10.2 °C, 0.1 mm of precipitation.

Greenstone lies at about 339 m; the station is at 350 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

The observed climate near Greenstone

The weather station nearest to Greenstone, Geraldton located 348 m above sea level, is 18 km away; its records cover 1968–2020. In November, the mean temperature there is −5.1 °C over 1991–2020, 0.6 °C more than over 1961–1990 (−5.7 °C), with about – mm of rain. The warmest month ever measured is July 2020 (20.2 °C), the coldest January 1994 (−27.4 °C). See the full series of Geraldton

Today in Greenstone

  • No washing outside today: rain, or a risk of rain, covers the hours when it could dry. How it is calculated
  • Terrace and barbecue between 18:00 and 23:00: rain likely (2.9 mm, up to 77 % chance). Have some shelter or a plan B ready. How it is calculated
  • Best time to air the house: between 8:00 and 10:00. The outdoor dew point drops to 6.7 °C; once warmed to 20 °C, that air holds only 42 % humidity, against 50 % in a typical home: opening the windows dries the house. How it is calculated
  • Garden: 25.1 mm of rain expected within 48 h, against a need of 0.9 mm. No need to water, the rain will do it. 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 Greenstone

Today (Monday 2 Nov) in Greenstone: light rain, 8 to 15 °C, precipitation 4.7 mm (87 %), wind up to 14 km/h. Tomorrow: rain, 10 to 12 °C.

DayWeatherMinMaxPrecip.Wind
Todaylight rain8 °C15 °C4.7 mm14 km/h
Tomorrowrain10 °C12 °C18.6 mm15 km/h
Wed 4 Novrain6 °C10 °C13.8 mm17 km/h
Thu 5 Novsnow-1 °C6 °C16.5 mm23 km/h
Fri 6 Novovercast-3 °C3 °C0.0 mm17 km/h
Sat 7 Novpartly cloudy-3 °C3 °C0.0 mm8 km/h
Sun 8 Novovercast-3 °C2 °C0.0 mm14 km/h

Forecast updated on 02.11.2026 at 08:13 (Open-Meteo model, elevation 339 m). The live block at the top of the page is refreshed hourly and covers 14 days.

Tomorrow's weather in Greenstone

Tomorrow, Tuesday 3 Nov, in Greenstone: rain, from 10 to 12 °C, 18.6 mm of precipitation (probability 92 %), wind up to 15 km/h.

HourWeatherTemp.Precip.ChanceWind
00:00rain12 °C2.9 mm87 %15 km/h
03:00rain11 °C2.9 mm81 %14 km/h
06:00overcast11 °C0.0 mm39 %12 km/h
09:00fog11 °C0.0 mm23 %8 km/h
12:00fog11 °C0.0 mm21 %5 km/h
15:00fog11 °C0.0 mm13 %6 km/h
18:00rain11 °C3.2 mm22 %9 km/h
21:00fog11 °C0.0 mm67 %10 km/h

Frequently asked questions

Will it rain tomorrow in Greenstone?

Yes: 18.6 mm expected, probability 92 %.

How warm will it be tomorrow in Greenstone?

Between 10 and 12 °C.

The weekend

This weekend in Greenstone: Saturday partly cloudy, -3 to 3 °C, Sunday overcast, -3 to 2 °C.

DayWeatherMinMaxPrecip.Wind
Sat 7 Novpartly cloudy-3 °C3 °C0.0 mm8 km/h
Sun 8 Novovercast-3 °C2 °C0.0 mm14 km/h

Hour by hour

The next 48 hours in Greenstone, hour by hour: temperature from 7 to 15 °C, 25.1 mm of rain expected.

HourWeatherTemp.Precip.ChanceWind
08:00overcast8 °C0.0 mm2 %5 km/h
09:00overcast9 °C0.0 mm2 %6 km/h
10:00overcast11 °C0.0 mm4 %5 km/h
11:00overcast13 °C0.0 mm2 %9 km/h
12:00overcast14 °C0.0 mm4 %8 km/h
13:00overcast14 °C0.0 mm4 %9 km/h
14:00overcast15 °C0.0 mm5 %8 km/h
15:00overcast15 °C0.0 mm6 %5 km/h
16:00overcast14 °C0.0 mm10 %5 km/h
17:00overcast13 °C0.0 mm20 %7 km/h
18:00light drizzle12 °C0.4 mm31 %7 km/h
19:00light drizzle12 °C0.4 mm35 %10 km/h
20:00overcast11 °C0.0 mm50 %13 km/h
21:00drizzle11 °C0.7 mm62 %12 km/h
22:00light rain11 °C1.4 mm77 %13 km/h
23:00light rain11 °C1.8 mm87 %14 km/h
00:00rain12 °C2.9 mm87 %15 km/h
01:00light rain11 °C1.4 mm92 %14 km/h
02:00light rain11 °C1.8 mm91 %14 km/h
03:00rain11 °C2.9 mm81 %14 km/h
04:00light rain11 °C1.4 mm63 %15 km/h
05:00light rain11 °C1.4 mm49 %14 km/h
06:00overcast11 °C0.0 mm39 %12 km/h
07:00overcast11 °C0.0 mm50 %9 km/h
08:00drizzle11 °C0.7 mm29 %8 km/h
09:00fog11 °C0.0 mm23 %8 km/h
10:00fog11 °C0.0 mm22 %7 km/h
11:00fog11 °C0.0 mm18 %6 km/h
12:00fog11 °C0.0 mm21 %5 km/h
13:00light drizzle11 °C0.4 mm12 %4 km/h
14:00fog11 °C0.0 mm22 %7 km/h
15:00fog11 °C0.0 mm13 %6 km/h
16:00fog11 °C0.0 mm8 %6 km/h
17:00rain11 °C2.5 mm18 %8 km/h
18:00rain11 °C3.2 mm22 %9 km/h
19:00fog11 °C0.0 mm22 %10 km/h
20:00fog11 °C0.0 mm67 %10 km/h
21:00fog11 °C0.0 mm67 %10 km/h
22:00fog11 °C0.0 mm67 %12 km/h
23:00fog10 °C0.0 mm67 %13 km/h
00:00light drizzle10 °C0.2 mm67 %12 km/h
01:00light rain9 °C0.3 mm67 %13 km/h
02:00light drizzle8 °C0.1 mm79 %13 km/h
03:00light drizzle8 °C0.3 mm79 %11 km/h
04:00drizzle8 °C0.5 mm79 %13 km/h
05:00light drizzle8 °C0.4 mm79 %13 km/h
06:00overcast7 °C0.0 mm79 %13 km/h
07:00overcast7 °C0.0 mm79 %13 km/h

Location of Greenstone

Greenstone lies at 339 m, 132 m above the average of the 265 places we cover in Ontario (207 m). That makes it the 28th highest of the 265. The main town, Toronto, lies 893 km to the south-east. The nearest places we cover are Amethyst Harbour (181 km to the south-west), Shuniah Township (195 km to the south-west), Thunder Bay (214 km to the south-west) and Hearst (252 km to the east). With about 4,636 inhabitants according to GeoNames, Greenstone is the 199th largest of the 265 places we cover in Ontario.

Today is 14.6 °C above the November normal (0.3 °C).

Climate of Greenstone: 1991–2020 normals

In Greenstone, July is typically the warmest month (up to 23.1 °C on average), while January is the coldest at -20.1 °C. September sees the most rain, with around 106 mm.

By season (average highs, 1991–2020 normals): winter -9.8 °C and 85 mm of rain, spring 6.1 °C and 155 mm, summer 22.1 °C and 240 mm, autumn 8.4 °C and 243 mm. The wettest season is autumn (34 % of the annual total), the driest winter (12 %).

Max T (°C)Min T (°C)Rainfall (mm)Rainy days
January-12.3-20.1298
February-9.5-17.7216
March-2.2-11.3307
April5.6-4.3529
May14.83.37311
June21.09.98011
July23.113.38312
August22.113.47711
September16.79.310613
October8.12.48513
November0.3-4.95311
December-7.7-14.4358

Compared with Toronto, the main town 893 km to the south-east, highs in the warmest month are 3.3 °C lower here, and the year brings 85 mm less precipitation. In 6 months the average low falls below 0 °C (January, February, March, April, November and December); in 3 months the average high exceeds 20 °C (June, July and August).

Among the 265 places we cover in Ontario whose normals come from the ERA5 reanalysis, Greenstone ranks 255th for summer warmth and 260th 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 Greenstone?

The warmest month in Greenstone is typically July, averaging 23.1 °C (1991–2020 normal). The coldest is January, at -20.1 °C.

How many rainy days does Greenstone get per year?

Greenstone sees about 118 rainy days a year, adding up to roughly 724 mm of rainfall (1991–2020 normals).

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

Between July and January, the temperature gap in Greenstone runs to about 43.2 °C, based on the 1991–2020 normals.