Thunder Bay, ON — Thunder Bay is set for a mixed Victoria Day long weekend, with warm temperatures on Friday giving way to rain and cooler conditions through the holiday Monday. Environment Canada is forecasting a high of 13°C on Friday under partly cloudy skies before showers arrive over the weekend.
The Victoria Day long weekend marks the unofficial start of summer, and Thunder Bay residents can expect typical spring weather—sunshine one moment, rain the next. Friday brings the warmest temperatures of the weekend at 13°C, with winds from the east at 15 km/h and partly cloudy conditions. Rain is expected to move in by late afternoon, continuing into Saturday. Sunday and Monday should see a mix of sun and cloud with seasonal temperatures. Despite the rain, spirits are high across Northwestern Ontario as spring finally makes its presence felt after a long winter.
The Weather Network reports a 90 per cent chance of rain starting late Friday, with 5 to 10 millimetres expected. Fog patches are possible overnight as temperatures dip to 7°C.
Community members are encouraged to stay informed and share this information with friends and family. Following trusted local news sources helps ensure everyone stays up to date with events and announcements affecting Thunder Bay and Northwestern Ontario.
🔗 Read the original report from NetNewsLedger Weather Desk
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📍 Source: NetNewsLedger Weather Desk · By: NNL Weather Desk · 🗓️ May 15, 2026 · 🏠 ThunderBay.Online
