What is today's weather forecast for London, ON?

Today's forecast for London shows a high of 48 degrees and a low of 30 degrees Fahrenheit. Mostly Cloudy with Light Wintry Mix with a high near 48 F.

What is the 7-day weather forecast for London, ON?

The 7-day forecast for London shows highs from 24 to 48 degrees and lows from 16 to 30 degrees Fahrenheit. Expect precipitation on 9 days with chances of 20% or higher.

Will it rain in London, ON this week?

Yes, rain is possible in London this week. Precipitation chances: Wednesday (70% chance), Thursday (80% chance), Friday (70% chance), Saturday (90% chance), Sunday (90% chance), Monday (30% chance), Tuesday (30% chance), Wednesday (20% chance), Friday (70% chance).

How accurate is the London weather forecast?

WeatherForYou provides highly accurate London forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

London, ON Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

48°F
Feels Like 44°F

Humidity 100% Dew Point 48°F Wind WSW 8 MPH Barometer 29.68 in.

Visibility 10 mi.

Report from a NOAA weather station 0.2 mi. S of central London
at 2:00 AM Wed, Nov 26, 2025

Point Forecast at a Glance

WedNov 26

40%

ThuNov 27

80%

FriNov 28

70%

SatNov 29

50%

SunNov 30

90%

MonDec 1

30%

TueDec 2

30%

7-Day Temperature Trend

Week Ahead Summary

High temperatures drop from 48°F to a low of 26°F, then recover to 26°F by week's end. Unsettled weather expected with wintry mix likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 12°F below the historical average for November-December. Normal highs for this period are around 45°F with lows around 33°F.

This Date in Weather History

1950 - A great storm hit the Northern and Central Appalachians with snow and high winds. Winds reached hurricane force along eastern slopes of the Appalachians, with gusts to 100 mph at Hartford CT, 110 mph at Concord NH, and 160 mph at Mount Washington NH. Heavy rain also hit the eastern slopes, with eight inches reported at Slide Mountain NY. The western slopes were buried under heavy snow. The storm produced record snowfall totals of 27.7 inches at Pittsburgh PA, and 36.3 inches at Steubenville OH. The snow, and record cold temperatures, resulted in 160 deaths.

London, ON 7 Day Weather Forecast Details

Wednesday Nov 26

Day: Mostly Cloudy with Light Wintry Mix with a high near 48 F. Winds from the SSW at 9 mph. Chance of precipitation is 40%

Night: Mostly Cloudy with Light Wintry Mix with a low near 30 F. Winds from the SW at 19 mph. Chance of precipitation is 70%

Thursday Nov 27

Day: Mostly Cloudy with Snow Showers with a high near 32 F. Winds from the W at 23 mph. Chance of precipitation is 80%

Night: Mostly Cloudy with Snow Showers with a low near 28 F. Winds from the W at 19 mph. Chance of precipitation is 80%

Friday Nov 28

Day: Mostly Cloudy with Light Wintry Mix with a high near 31 F. Winds from the WNW at 18 mph. Chance of precipitation is 70%

Night: Partly Cloudy with Snow Showers with a low near 21 F. Winds from the W at 11 mph. Chance of precipitation is 50%

Saturday Nov 29

Day: Mostly Cloudy with Snow Showers with a high near 31 F. Winds from the WSW at 6 mph. Chance of precipitation is 50%

Night: Cloudy with Light Snow Showers with a low near 29 F. Winds from the SE at 6 mph. Chance of precipitation is 90%

Sunday Nov 30

Day: Mostly Cloudy with Light Wintry Mix with a high near 36 F. Winds from the S at 11 mph. Chance of precipitation is 90%

Night: Mostly Cloudy with Snow Showers with a low near 25 F. Winds from the WSW at 8 mph. Chance of precipitation is 50%

Monday Dec 1

Day: Mostly Cloudy with Snow Showers with a high near 28 F. Winds from the W at 7 mph. Chance of precipitation is 30%

Night: Partly Cloudy with Snow Showers with a low near 19 F. Winds from the W at 6 mph. Chance of precipitation is 30%

Tuesday Dec 2

Day: Partly Cloudy with Snow Showers with a high near 26 F. Winds from the W at 6 mph. Chance of precipitation is 30%

Night: Partly Cloudy with Snow Showers with a low near 16 F. Winds from the WSW at 7 mph. Chance of precipitation is 30%

Wednesday Dec 3

Day: Partly Cloudy with Snow Showers with a high near 26 F. Winds from the W at 8 mph. Chance of precipitation is 20%

Night: Mostly Cloudy with Snow Showers with a low near 17 F. Winds from the W at 7 mph. Chance of precipitation is 20%

Thursday Dec 4

Day: Partly Cloudy with a high near 24 F. Winds from the W at 8 mph

Night: Partly Cloudy with a low near 16 F. Winds from the WSW at 7 mph

Friday Dec 5

Day: Partly Cloudy with a high near 26 F. Winds from the WSW at 8 mph

Night: Mostly Cloudy with Snow Showers with a low near 25 F. Winds from the SSW at 9 mph. Chance of precipitation is 70%

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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