April 1, 2024: Thunder Bay’s Weather Outlook – A Clear Start to April

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Shot on Friday afternoon looking out at Thunder Bay with Ice Breaker
Shot on Friday afternoon looking out at Thunder Bay with Ice Breaker

THUNDER BAY – WEATHER – Thunder Bay Airport reports a clear and crisp morning at -10°C, marking a frosty beginning to April. The city is waking up to a day promising sunshine and a gradual mix of sun and cloud, reflecting the unpredictability and beauty of early spring in the region.

Today’s Weather Overview

Current Conditions

At 7:00 AM EDT, the temperature stands at a chilly -10.4°C, with a dew point of -11.9°C contributing to a high humidity level of 89%. A gentle southwest wind at 8 km/h makes the wind chill feel colder at -15°C, though visibility is good at 16 km. The barometric pressure is steady at 102.0 kPa, indicating stable weather conditions for now.

Today: The day will start sunny and transition to a mix of sun and cloud by the morning. With a light wind reaching up to 15 km/h, temperatures are expected to climb to a more comfortable high of 2°C, despite the morning wind chill of -14°C. The UV index is moderate at 3, so it’s a good idea to apply sunscreen if spending time outdoors.

Tonight: The skies will remain clear into the evening but will become partly cloudy around midnight. Winds continue at a light pace, with temperatures dropping to a low of -11°C. The overnight wind chill will make it feel like -14°C, suggesting a need for warm layers.

Tuesday, April 2: Mainly sunny conditions persist, with light winds and a high of 3°C. The morning wind chill will be somewhat brisk at -13°C, with the moderate UV index continuing, indicating another day of decent sun exposure.

Wednesday, April 3: The day will be cloudy, with temperatures slightly warmer at a high of 4°C. The cloud cover continues into the night, with a low of -7°C, marking a steady transition into slightly warmer spring nights.

Thursday, April 4: Cloudy skies dominate again, with temperatures reaching a high of 5°C. Cloudy periods will lighten up the night, with a less chilly low of -5°C, suggesting a gradual warming trend as the week progresses.

Wardrobe Recommendations

Given the varied conditions, dressing in layers will provide flexibility and comfort throughout the day. Start with a thermal base layer, add an insulating middle layer, and a windproof outer layer for the morning.

As temperatures rise, you may adjust accordingly. Don’t forget a hat and gloves for the colder morning and evening hours, and consider sunglasses and sunscreen for midday outdoor activities.

Weather Trivia

Did you know? The phenomenon of a moderate UV index even during cold temperatures is a reminder that sun protection is important year-round. UV rays can penetrate clouds and reflect off snow, increasing the risk of skin damage.

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