Thunder Bay – Weather – Thunder Bay is waking up to mainly sunny skies and comfortable temperatures, marking the start of a gorgeous Sunday. With temperatures expected to reach the mid-20s and very high UV levels, today is an ideal day to enjoy the outdoors.
It is going to be a great afternoon for Border Cats Baseball, at 1:36 PM the Cats will take on the Rochester Honkers at Port Arthur Stadium.
If you have a pet, have you started reading Behzhig’s Blog?
Monday looks equally pleasant, but expect a noticeable shift by Tuesday, when rain chances increase significantly.
Today’s Weather Overview
Current Conditions – 7:00 AM EDT
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Temperature: 14.5°C
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Humidity: 76%
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Dew Point: 10.4°C
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Wind: North-northeast at 10 km/h
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Pressure: 101.7 kPa (rising)
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Visibility: 32 km
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Sky: Mainly Sunny
Sunday Forecast
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Sky: A mix of sun and cloud, with full clearing expected by late morning
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High: 24°C
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UV Index: 9 – Very High; sun protection is essential
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Tonight: Clear skies, low of 15°C
Tomorrow’s Outlook – Monday, July 7
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Sky: Sunny all day
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High: 25°C | Humidex: 28 – Comfortable warmth
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UV Index: 8 – Very High
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Night: Cloudy periods with a 30% chance of showers, low of 12°C
Extended Forecast
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Tuesday, July 8: Cloudy with a 60% chance of showers, high near 20°C
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Tuesday Night: Cloudy periods, low of 11°C
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Wednesday: Gradual clearing expected, drier and warmer conditions return midweek
Wardrobe Recommendations
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Today: Shorts, t-shirt, and sun protection gear (hat, sunglasses, and sunscreen) are a must. Early morning may call for a light sweater.
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Monday: Continue to dress light with possible layers for the evening if you’re outdoors. Keep an umbrella handy for Monday night.
Health & Safety Tips
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UV Alert: With a UV index of 9 today, take serious precautions—apply SPF 30+ sunscreen, reapply every two hours, and avoid direct sun during peak hours (11 a.m.–3 p.m.).
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Hydration: Warmer temps and dry air mean it’s easy to dehydrate—keep a water bottle with you, especially if active.
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Allergy Advisory: With the sun and calm winds, pollen levels may be elevated—those sensitive should consider staying indoors during peak sunlight.
Weather Trivia
Thunder Bay’s July 6 record high is 32.3°C, set in 1955. Today’s forecast of 24°C may seem mild in comparison, but it represents the city’s average for early July—ideal weather for hiking the Sleeping Giant or strolling Marina Park.
