Toronto, Canada Weather
Toronto hourly forecast: next 24 hours
Today's high of 72°F (22°C) is right in line with the typical September high of 72°F (22°C).
Current conditions in detail
Toronto weather tomorrow (Thursday, September 17)
Tomorrow in Toronto looks overcast, with a high of 73° and an overnight low of 58°. Rain is unlikely (9% chance). Winds top out near 6 mph, and the UV index reaches 4 (moderate).
Toronto 14-day forecast
About the weather in Toronto
The Toronto year is defined by how long its winter lasts: 4 months average sub-freezing nights, bottoming out in January at 19°F (-7°C). Summer is the short exception, with July reaching 79°F (26°C).
Toronto weather: quick facts
- Hottest month: July - highs near 79°F (26°C)
- Coldest month: January - highs near 32°F (0°C)
- Decade extremes (2015-2024): 93°F (34°C) high · -13°F (-25°C) low
- Wettest month: April (13 rainy days) · Sunniest: July (12.7 h sun/day)
- Climate type: humid continental
- Annual swing: 26°C between the average warmest and coolest month · day to night: 8°C
- Snow: about 20 days a year
- Months with freezing average lows: 4
- Average humidity: 72%
Temperatures through the year
At its warmest, in July, Toronto runs to 79°F (26°C) in the afternoon and back to 64°F (18°C) by dawn. January is the coolest month, with highs of 32°F (0°C) and lows near 19°F (-7°C). The gridded 2015-2024 daily record for this location tops out at 93°F (34°C) and bottoms at -13°F (-25°C) - decade extremes, not all-time station records. Overnight lows average at or below freezing for 4 months, December through March.
Rain, sun and snow
The wettest month is April (3.9 inches (100 mm) across 13 days) and the driest September. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is June through September.
Season by season
Spring (March through May)
Through spring, Toronto runs cold: 52°F (11°C) by day, 36°F (2°C) after dark, and rain falls on around 33 of the 90 days, plus about 4 snowy days.
Summer (June through August)
Summer in Toronto is pleasantly warm, with daytime highs averaging 77°F (25°C) and nights around 62°F (16°C); rain falls on around 31 of the 90 days. Daylight is generous - around 12.1 hours of sun a day.
Fall (September through November)
Fall runs cool rather than cold here - highs near 59°F (15°C), nights near 46°F (8°C), and rain falls on around 30 of the 90 days.
Winter (December through February)
Winter in Toronto brings deep cold, with daytime highs averaging 34°F (1°C) and nights around 22°F (-6°C); rain falls on around 31 of the 90 days, plus about 15 snowy days. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
Average temperatures in Toronto by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 32° | 19° | 10 | 2.7 in | 4.8 h/day | 72% |
| February | 33° | 18° | 9 | 2.4 in | 6.4 h/day | 71% |
| March | 41° | 26° | 10 | 2.6 in | 7.5 h/day | 68% |
| April | 51° | 35° | 13 | 3.9 in | 8.9 h/day | 69% |
| May | 63° | 47° | 10 | 2.7 in | 10.9 h/day | 70% |
| June | 73° | 58° | 10 | 3.6 in | 12.1 h/day | 69% |
| July | 79° | 64° | 11 | 2.9 in | 12.7 h/day | 70% |
| August | 78° | 64° | 10 | 2.7 in | 11.5 h/day | 72% |
| September | 72° | 58° | 9 | 2.3 in | 10.0 h/day | 74% |
| October | 59° | 47° | 12 | 3.5 in | 7.0 h/day | 74% |
| November | 46° | 35° | 10 | 2.5 in | 5.6 h/day | 74% |
| December | 38° | 27° | 12 | 2.9 in | 4.1 h/day | 76% |