Tomorrow's Weather Ottawa: Thunderstorms, High Heat & Gusty Winds

Tomorrow's forecast:

Morning Thunderstorms Bring Warm, Gusty Conditions

    The morning starts off with thunderstorms and a warm temperature around 21°C. Winds are light but gusts can reach up to 37 km/h, adding a breezy feel to the humid air. Rainfall is moderate, with a 60% chance of showers, making the morning lively and dynamic.

Activities Recommendations for the morning of Jun 30, 2026:

• Commute Dress in waterproof layers to stay dry during morning showers and prepare for gusty winds.

• Pet Walks Keep pets close and consider a quick walk between rain breaks to avoid thunderstorms.

• Running Opt for a shorter run or indoor workout to avoid heavy rain and slippery conditions.

Temperatures will rise significantly from morning to afternoon, creating a muggy and warm environment.

(Click above to view interactive map)

Afternoon Thunderstorms Peak with Intense Heat and Gusts

    Thunderstorms continue into the afternoon with temperatures climbing to a high of 28°C but feeling closer to 37°C due to humidity. Winds remain light but gusts increase up to 40 km/h, making it feel quite warm and breezy. Rainfall is heavier but still intermittent, with a 70% chance of showers.

Activities Recommendations for the afternoon of Jun 30, 2026:

• Outdoor Activities Plan for shaded or indoor breaks to manage the intense heat and humidity during thunderstorms.

• Cycling Be cautious of gusty winds and wet roads; secure loose gear and wear breathable clothing.

• Picnicking Consider covered areas to stay dry and avoid sudden downpours.

Cloudy Evening with Lingering Warmth and Light Showers

    Evening brings cloudy skies with temperatures around 26°C, feeling like 36°C due to residual humidity. The chance of rain drops to 30%, but light showers may still occur. Winds stay light with gusts up to 36 km/h, maintaining a warm and muggy atmosphere as the day winds down.

Activities Recommendations for the evening of Jun 30, 2026:

• Walking Enjoy a warm, cloudy evening but stay prepared for occasional light showers.

• Outdoor Events Dress in light layers and bring a light rain jacket for comfort during outdoor concerts or gatherings.

• Relaxing Outdoors Keep hydrated and choose breezy spots to stay comfortable in the muggy air.

Light rain and thunderstorms are expected mainly in the morning and afternoon with gusty winds up to 40 km/h.

(Click above to view detailed chart)

Packing preparations for tomorrow:

• Light, breathable clothing

• Water bottle to stay hydrated

• Light rain jacket or umbrella

• Secure hats or loose items against gusty winds

• Sunscreen for high UV exposure around noon

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.