Weather in London, Ontario, Canada for the week
Weather in London for the week: from +8° to +21° by day and night. Day-by-day forecast, precipitation chance and a temperature chart below.
Weather forecast in London for the week 📅
Temperature chart for the week 📈
Weather in London for 5 days
Weekend weather in London
📒 Weather diary in London
Ready-made observation table for September: 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's the weather in London for the week?
This week from +8° to +21°, mostly overcast.
What's the 5-day forecast in London?
Five-day forecast: by day from +16° to +18°, nights around +8°. No significant precipitation expected.
Which days in London will it rain?
No significant precipitation is expected.
Weekend weather in London?
Weekend: Saturday +21°/+11°, Sunday +21°/+11°.
Warmer or colder than usual in London this week?
This week it is about 5° colder than usual.
Do I need an umbrella in London for the week?
No, precipitation is unlikely — you can go out without an umbrella.
Do I need sunscreen in London?
Yes, the UV index is 6 — high. Use SPF 30+, especially for children; no more than 20-30 minutes in direct sun unprotected.
Is it a good day for a picnic in London?
Yes, it’s warm and dry (up to +17°) — a good time for a picnic, a walk or a barbecue.
How long is it safe to stay in the sun in London?
At UV 6, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.
Is it a good day to wash the car in London?
No precipitation expected — a good time to wash the car; rain won’t spoil it in the coming hours.
Weather in London — in detail
Weather forecast in London for the week: from +8° to +21° day and night. Warmest day — Sunday, September 27 (up to +21°). Coolest — Tuesday, September 22 (+8°). No significant precipitation. Trend: it warms toward the end. See also the forecast for 2 weeks and for the month.
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.