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Hamilton, Ontario Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

9:05 PM

37°F
RealFeel® 29°
Air Quality Fair
Wind W 8 mph
Wind Gusts 8 mph
Mostly cloudy More Details

Current Air Quality

Today

12/10

36
AQI

Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Based on Current Pollutants

More Details

Learn more at Plumb Labs Logo

Current Air Quality

Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. There are at least six different pollutants that we track that impact the cleanliness of air and your health.

Health & Activities
See all
Dust & Dander
Low
The risk of dust and dander allergy symptoms is low.
Arthritis
High
The risk of experiencing weather-related arthritis pain is high. Focus on low-impact aerobic exercises.
Sinus Pressure
Moderate
The risk of weather-related sinus pressure is moderate. Make sure you stay hydrated.
Common Cold
Moderate
The risk of catching a cold is moderate.
Flu
Moderate
The risk of catching the flu is moderate.
Migraine
Moderate
The risk of suffering from a weather-related migraine is moderate.
Asthma
Low
The risk of asthma symptoms is low.
Fishing
Poor
Fishing conditions are poor.
Running
Poor
Conditions for running are poor. Lightening and extremely cold temperatures are unsafe for outdoor runners.
Golf
Poor
Conditions for golfing are poor. Do not play if there is a chance of lightning.
Biking & Cycling
Poor
Conditions for cycling are poor. Avoid outdoor activity if there is a chance of lightning or in extremely cold temperatures.
Beach & Pool
Poor
Conditions for a day at the beach or pool are poor. Stay out of the water if there is a chance of lightning. Only swim in water temperatures below 55 degrees if you have the proper gear.
Stargazing
Poor
Conditions for stargazing are poor.
Hiking
Poor
Conditions for hiking are poor.
Lawn Mowing
Poor
Conditions for lawn mowing are poor. Avoid mowing your lawn when it is wet, or temperatures are too cold.
Composting
Poor
Composting conditions are poor. Keep your compost area covered.
Outdoor Entertaining
Poor
Conditions for outdoor entertaining will be poor. Consider moving your party indoors or under some form of cover.
Air Travel
Ideal
Conditions for flying are ideal. Have a safe trip.
Driving
Great
Conditions for driving are great. Remain prepared for changing weather by tracking ongoing forecasts.
Mosquitos
Low
The risk for mosquito activity are low.
Indoor Pests
High
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects near your home.
Outdoor Pests
High
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects.
See all

TONIGHT’S WEATHER FORECAST

12/10
34°Lo
RealFeel® 27°
A couple of evening squalls

Looking Ahead

Snow squalls this evening will accumulate up to a coating

TOMORROW’S WEATHER FORECAST

12/11
37°/ 31°
RealFeel® 28°
Cloudy

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Weather Near Hamilton:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
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