THUNDER BAY – WEATHER – Northern Ontario’s remote communities are experiencing a typical mid-August pattern: warm and humid conditions transitioning into a cooler, breezy weekend. Scattered showers and isolated thunderstorms may affect travel and outdoor activities today, but improving weather is expected into next week.
🌦️ Friday, August 15, 2025
Ogoki Post
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Morning: Scattered thunderstorms possible
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Afternoon: Humid with clouds and some sun
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High: 26°C
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Low: 10°C
Fort Hope
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Morning: Thunderstorm risk in spots
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Afternoon: Warm and mostly cloudy
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High: 25°C
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Low: 9°C
Fort Severn
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Morning: Rain and wind, clearing later
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Afternoon: Breezy with scattered sun
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High: 18°C
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Low: 6°C
Attawapiskat
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Morning: Breezy, with scattered showers
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Afternoon: Risk of thunderstorms
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High: 24°C
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Low: 11°C
🌥️ Saturday, August 16, 2025
Ogoki Post
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Cooler with morning sunshine turning cloudy
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High: 17°C
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Low: 4°C
Fort Hope
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Cloudy and much cooler
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High: 14°C
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Low: 4°C
Fort Severn
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Breezy and cool with a chance of morning showers
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High: 14°C
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Low: 7°C
Attawapiskat
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Breezy, cooler, and less humid with low clouds
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High: 13°C
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Low: 5°C
⛅ Sunday, August 17, 2025
Ogoki Post
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Mostly cloudy and seasonably cool
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High: 17°C
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Low: 8°C
Fort Hope
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Intervals of cloud and sun
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High: 19°C
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Low: 8°C
Fort Severn
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Mainly cloudy, possible afternoon shower
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High: 18°C
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Low: 7°C
Attawapiskat
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Increasing clouds after morning sunshine
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High: 18°C
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Low: 9°C
🌤️ Monday, August 18, 2025
Ogoki Post
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Partly sunny, seasonal
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High: 21°C
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Low: 9°C
Fort Hope
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Mild and partly sunny
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High: 20°C
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Low: 12°C
Fort Severn
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Pleasant mix of sun and cloud
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High: 17°C
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Low: 11°C
Attawapiskat
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Intervals of sunshine and clouds
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High: 20°C
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Low: 11°C
👕 Wardrobe & Activity Recommendations
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Friday: Rain gear and waterproof footwear advised due to thunderstorm potential. Dress lightly but be prepared for quick temperature changes.
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Saturday: A significant cooldown means layering is essential, especially for early risers or those heading out on the land.
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Sunday & Monday: Milder conditions return. Dress in layers, and bring sun protection for brighter periods.
🧠 Weather Trivia
Did you know? Fort Severn is Ontario’s northernmost community — and its weather is often more influenced by Hudson Bay’s cold currents than by southern air masses. This creates cooler summer highs and a windier climate compared to Fort Hope or Ogoki Post.
