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Tomorrow's Weather Toronto: Thunderstorms & Windy Showers

The Weather NetworkThe Weather Network's AI & Data Team
Published on Apr. 17, 2026, 10:00 AM

Toronto Apr 18, 2026: Expect a wet and blustery day with rain and thunderstorms making outdoor plans a bit challenging.

Tomorrow's forecast:

Morning Rain with Wind Gusts up to 48 km/h

    The morning starts off rainy with temperatures near 8°C and steady winds at 15 km/h, gusting up to 48 km/h. The 60% chance of precipitation and blustery conditions set a damp and breezy tone for the early hours.

Activities Recommendations for the morning of Apr 18, 2026:

  • Commute: Prepare for wet roads and gusty winds during your morning travel.

  • Dog Walks & Errands: Carry waterproof gear to stay dry while running morning errands or walking pets.

  • Outdoor Fitness: Consider indoor workouts as outdoor conditions will be wet and windy.

Temperatures rising steadily from 7°C early morning to a warm 17°C by afternoon

(Click above to view interactive map)

Afternoon Thunderstorms with Strong Winds and Heavy Rain

    Thunderstorms are expected in the afternoon with temperatures rising to 17°C. Rainfall chances peak at 90%, accompanied by strong winds reaching 21 km/h and gusts up to 51 km/h, creating a lively and stormy atmosphere.

Activities Recommendations for the afternoon of Apr 18, 2026:

  • Outdoor Events: If attending events like the Under Armour Toronto 10K, be prepared for heavy rain and gusty winds.

  • Photography & Bird Watching: Likely disrupted by weather; consider rescheduling or indoor alternatives.

  • Travel: Exercise caution on the roads due to slippery conditions and reduced visibility.

Evening Rain Continues with Light Winds and Fog Development

    Rain showers will persist into the evening with temperatures cooling to around 15°C. Winds will ease to about 15 km/h with gusts up to 36 km/h. Fog patches are expected to develop late in the evening, reducing visibility overnight.

Activities Recommendations for the evening of Apr 18, 2026:

  • Evening Commute: Drive carefully as fog and wet roads may reduce visibility and traction.

  • Outdoor Dining: Consider indoor dining options due to ongoing rain and fog.

  • Relaxation: A cozy indoor evening is ideal given the damp and foggy conditions.

Wind speeds increasing to a windy 22 km/h with gusts up to 50 km/h in the afternoon

(Click above to view detailed chart)

Packing preparations for tomorrow:

  • Waterproof jacket and umbrella for persistent rain

  • Wind-resistant layers to combat gusty winds

  • Non-slip footwear for wet and slippery surfaces

  • Visibility aids like reflective gear for foggy conditions

  • Portable charger to stay connected during outdoor events

  • Light scarf or hat for cooler evening temperatures

For active alerts in your area, visit your Alerts page. This article was generated with the use of OpenAI and The Weather Network's forecast data. The article was reviewed by the editorial team for accuracy and clarity. For more details visit our AI Code of Ethics. For feedback, visit our survey.