Weather in London, Ontario, Canada for the month
The full July calendar: model forecast through July 31, then 30-year statistics.
🔮 What July will be like
📅 July calendar2-week forecast →
🕰 July a year ago
🌅 July astronomy
📒 Weather diary in London
Ready-made observation table for July: past days are already filled in with weather-station data — for school and beyond. Open the diary →
✉️ Weather forecast by email
Get the forecast for this city by email — every day at 17:00 Moscow time.
FAQ about weather in London ❓
What will the weather be like in July in London?
The forecast part of July is 2° above normal: +27°…+30° by day, no prolonged rain. The second half is shown from 30-year statistics: on average +27° by day and +17° at night.
When are the best days of July?
The forecast points to 31 July: +30°. Models don’t see beyond two weeks — check back, the page updates daily.
How accurate is a monthly forecast?
Honestly: models are reliable up to ~14 days. So through July 31 we show the model forecast, and beyond that — each day’s climate normal from 30 years of observations (ERA5). It is a statistical expectation, not a guarantee.
Weather in London — in detail
Weather forecast in London for the month: from +15° to +30° day and night. Warmest day — Friday, July 31 (up to +30°). Coolest — Thursday, July 30 (+15°). No significant precipitation. Trend: it cools toward the end. See also the forecast for 2 weeks and the weather archive.
To quickly check the weather in London anytime, add the city to favorites — and get a daily forecast by email at 17:00 (Moscow time). Note: the forecast may be refined as new data arrives. Data: OpenWeather, Open-Meteo, met.no.