Ontario weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Ontario, Canada. Like most weather services, we show Ontario at one spot: Toronto, its largest city. At 5:15 PM local time it was clear and 14°C (57°F). Little to no rain in the next 24 hours. Best months for weather: Jun–Sep.
Current conditions
- Clouds
- 0%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season Jun–SepOff season Nov–Apr
About Toronto weather
Is it raining in Toronto right now?
No. It’s clear and 14° right now. Little to no rain in the next 24 hours.
What’s the weather like in Toronto this week?
Over the next 7 days, expect highs of 15–20° and lows of 4–14°. Rain is likely on 3 of 7 days (Wednesday, Thursday, Friday). The driest day looks like Saturday.
Has it been raining in Toronto lately?
Barely. The past 7 days were mostly dry, with 0.2 mm of rain in total.
What should I pack for Toronto?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Ontario weather by month
When is the best time to visit Ontario?
Based on weather alone, the best time to visit Ontario is Jun–Sep, according to NASA's 2001–2025 climate averages. Nov–Apr tends to be the least pleasant. Average highs run from 0°C (31°F) in January to 25°C (77°F) in July.
What is the rainiest month in Ontario?
July is the wettest month, with about 75 mm (3.0 in) of rain on average. February is the driest, with about 49 mm (1.9 in).
What is the hottest month in Ontario?
July is the warmest, with average highs of 25°C (77°F) and lows of 18°C (65°F). January is the coolest, with highs of 0°C (31°F) and lows of -5°C (23°F).
Does Ontario have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is July at about 75 mm (3.0 in).
Ontario weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Toronto), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Ontario
Weather can differ a lot within Ontario: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Toronto | Jun–Sep | None | 0–25°C | 774 mm |
| Ottawa | May–Sep | None | -6–26°C | 979 mm |
| Mississauga | Jun–Sep | None | 0–25°C | 774 mm |
| Brampton | May–Sep | None | -2–29°C | 771 mm |
| Hamilton | May–Sep | None | -2–29°C | 771 mm |
| London | May–Sep | None | -2–28°C | 661 mm |
| Etobicoke | Jun–Sep | None | 0–25°C | 774 mm |
| Markham | May–Sep | None | -3–28°C | 721 mm |
| Vaughan | May–Sep | None | -3–28°C | 721 mm |
| Kitchener | May–Sep | None | -3–27°C | 763 mm |
| Windsor | May–Sep | None | -1–28°C | 848 mm |
| Oakville | Jun–Sep | None | 0–25°C | 774 mm |
Cities and towns in Ontario
- Toronto
- Ottawa
- Mississauga
- Brampton
- Hamilton
- London
- Etobicoke
- Markham
- Vaughan
- Kitchener
- Windsor
- Oakville
- Richmond Hill
- Burlington
- Nepean
- Oshawa
- Greater Sudbury
- Gloucester
- Barrie
- Guelph
- Whitby
- St. Catharines
- Milton
- Kingston
- Cambridge
- Orléans
- Ottawa South
- Ajax
- Thornhill
- Thunder Bay
- Waterloo
- Brantford
- Niagara Falls
- Pickering
- Newmarket
- Kanata
- Peterborough
- Willowdale
- Caledon
- Stoney Creek
- Sarnia
- Sault Ste. Marie
- Waterfront Communities-The Island
- Halton Hills
- Norfolk County
- Aurora
- Woburn
- Welland
- Belleville
- Willowdale East
- North Bay
- Whitchurch-Stouffville
- Cornwall
- Rouge
- Georgetown
- L'Amoreaux
- Islington-City Centre West
- Malvern
- Quinte West
- Chatham
- Innisfil
- Timmins
- Stittsville
- Ancaster
- Woodstock
- Bowmanville
- St. Thomas
- Bradford
- Stouffville
- Dovercourt-Wallace Emerson-Junction
- Leamington
- Downsview-Roding-CFB
- Parkwoods-Donalda
- Brant
- Mimico
- West Humber-Clairville
- Mount Olive-Silverstone-Jamestown
- LaSalle
- Stratford
- Church-Yonge Corridor
- Niagara
- Orillia
- Orangeville
- Fort Erie
- Annex
- Glenfield-Jane Heights
- Bendale
- Mount Pleasant West
- Agincourt North
- Wexford/Maryvale
- South Riverdale
- Banbury-Don Mills
- York University Heights
- Tam O'Shanter-Sullivan
- West Hill
- Grimsby
- Don Valley Village
- Clairlea-Birchmount
- Bolton
- Milliken
- Westminster-Branson
- Bay Street Corridor
- Centretown
- Prince Edward
- Stonegate-Queensway
- Dorset Park
- Brooklin
- Fallingbrook
- Alta Vista
- Steeles
- Bridlewood
- Waterdown
- Midland
- East Gwillimbury
- High Park-Swansea
- Brockville
- Strathroy
- Newtonbrook West
- Agincourt South-Malvern West
- Bedford Park-Nortown
- Tecumseh
- Eglinton East
- Englemount-Lawrence
- Birchcliffe-Cliffside
- Rockcliffe-Smythe
- High Park North
- Willowridge-Martingrove-Richview
- Kingsville
- Kingsview Village-The Westway
- Flemingdon Park
- South Parkdale
- Collingwood
- Black Creek
- The Beaches
- Bayview Village
- East End-Danforth
- Owen Sound
- Oakwood Village
- Uxbridge
- Thorncliffe Park
- Keswick
- Rosedale-Moore Park
- Clarence-Rockland
- Fergus
- Wasaga Beach
- Moss Park
- Lindsay
- Huntsville
- Alliston
- Thorold
- O'Connor-Parkview
- Tillsonburg
- North St.James Town
- Eringate-Centennial-West Deane
- Hespeler
- Port Colborne
- Cobourg
- Weston
- Kensington-Chinatown
- St. Andrew-Windfields
- Brookhaven-Amesbury
- Fiddlesticks
- Niagara-on-the-Lake
- Victoria Village
- Morningside
- Valley East
- Petawawa
- Danforth East York
- Kennedy Park
- Vanier
- Willowdale West
- Hillcrest Village
- Leaside-Bennington
- Mount Pleasant East
- Scarborough Village
- Trinity-Bellwoods
- Clanton Park
- Lansing-Westgate
- Newtonbrook East
- Bracebridge
- Cliffcrest
- Greater Napanee
- Bathurst Manor
- Pleasant View
- Henry Farm
- Taylor-Massey
- Forest Heights
- Little Portugal
- Humbermede
- Edenbridge-Humber Valley
- Christopher-Champlain
- Vanier
- Lawrence Park South
- Kenora