Northwestern Ontario Weather

Official weather conditions from Environment Canada.

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Current conditions

Marathon

Marathon - Schreiber

Mostly Cloudy

Mostly Cloudy
15.7°C

Updated: 2026-09-12T05:00:00Z

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Wind

9 km/h, gust 30 km/h

Humidity

96%

Pressure

100.8 kPa falling

Visibility

N/A

Forecast periods

Next forecast blocks

Tonight

Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind becoming southwest 30 km/h gusting to 50 after midnight. Low 15.

Temp: Low 15.

Precip: Local amount 10 to 20 mm.

Wind: S, 10 km/h

Saturday

Showers ending in the afternoon then mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the morning and early in the afternoon. Local amount 5 to 10 mm. Wind west 30 km/h gusting to 50. High 20. UV index 4 or moderate.

Temp: High 20.

Precip: Local amount 5 to 10 mm.

Wind: W, 30 km/h, gust 50 km/h

Saturday night

Mainly cloudy with 40 percent chance of showers. Wind northwest 20 km/h gusting to 40 becoming light in the evening. Low 8.

Temp: Low 8.

Wind: NW, 20 km/h, gust 40 km/h

Sunday

A mix of sun and cloud with 30 percent chance of showers. High 15.

Temp: High 15.

Sunday night

Clear. Low plus 5.

Temp: Low plus 5.

Monday

Sunny. High 17.

Temp: High 17.