Gravenhurst, Ontario

22°F
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Gravenhurst, Ontario Weather
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Today

WinterCast Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Weather Advisory

Current Weather

7:10 PM

22°F
RealFeel® 24°
Air Quality Excellent
Wind NW 3 mph
Wind Gusts 6 mph
Mostly cloudy More Details

WinterCast

Late Saturday Night - Sunday Afternoon

1 - 3 in
Snow
4 Upcoming Storms See More

Current Air Quality

Today

1/28

20
AQI

Excellent

The air quality is ideal for most individuals; enjoy your normal outdoor activities.

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
Very High
The risk of dust and dander allergy symptoms is very high. When dusting, use a microfiber cloth to help hold dust instead of pushing it around.
Arthritis
Moderate
The risk of experiencing weather-related arthritis pain is moderate. Stay hydrated and stretch to help avoid arthritis symptoms.
Sinus Pressure
High
The risk of weather-related sinus pressure is high. Taking a hot shower may help ease sinus pressure.
Common Cold
Moderate
The risk of catching a cold is moderate.
Flu
Low
The risk of catching the flu is low.
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
Great
Conditions for flying are great. Have a safe trip.
Driving
Good
Conditions for driving are good. Stay alert of any changes to the weather forecast.
Mosquitos
Low
The risk for mosquito activity are low.
Indoor Pests
Extremely High
The risk for pest activity is extremely high. Keep windows and doors closed or ensure you have screens when open to prevent entry into your home.
Outdoor Pests
Low
The risk for pest activity is low.
See all

TONIGHT’S WEATHER FORECAST

1/28
17°Lo
RealFeel® 12°
A bit of snow late

TOMORROW’S WEATHER FORECAST

1/29
22°/ 0°
RealFeel® 18°
Snow at times, 1-2"

Snowfall Probability

Snow expected tomorrow - see amounts

Gravenhurst Weather Radar

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Gravenhurst Weather Radar
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World North America Canada Ontario Gravenhurst

Weather Near Gravenhurst:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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