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St. John's, Saint John

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St. John's, Saint John Weather
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Today

Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

8:31 AM

79°F
RealFeel® 81°
RealFeel Shade™ 78°
Air Quality Fair
Wind E 13 mph
Wind Gusts 13 mph
Partly sunny More Details

Current Air Quality

Today

3/20

25
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
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
Low
The risk of experiencing weather-related arthritis pain is low.
Sinus Pressure
Low
The risk of weather-related sinus pressure is low.
Common Cold
Low
The risk of catching a cold is low.
Flu
Low
The risk of catching the flu is low.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
Low
The risk of asthma symptoms is low.
Fishing
Ideal
Fishing conditions are ideal. Wear sunscreen and a hat if you'll be in the sun.
Running
Good
Conditions for running are good. Be sure to wear sunscreen and UV-protective activewear.
Golf
Great
Conditions for golfing are great. Stay hydrated when spending time in the sun.
Biking & Cycling
Great
Conditions for cycling are great. Be sure you have the correct gear to keep your core temperature warm during winter months and cool during hot weather.
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
Ideal
Conditions for stargazing are ideal. Check a star chart or an astronomy app before you head out to make the most of the night.
Hiking
Great
Conditions for hiking are great. Wear sunscreen and UV-protective clothing.
Lawn Mowing
Good
Conditions for lawn mowing are good. Alternating mowing patterns can help all areas of your lawn grow.
Composting
Great
Composting conditions are great. Ensure any food scraps are covered with dry leaves or wood chips to help avoid attracting pests.
Outdoor Entertaining
Great
Conditions for outdoor entertaining will be great. Pay attention to the mosquito or pest forecast and prepare deterrents.
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
Extreme
The risk for mosquito activity are extremely high. Wear long-sleeved shirts and pants when spending time outdoors to prevent bites.
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
Extreme
The risk for pest activity is extremely high. Eliminate standing water in rain gutters, buckets, and in tires where pests can breed.
See all

TODAY’S WEATHER FORECAST

3/20
84°Hi
RealFeel® 91°
Mostly sunny and delightful

TONIGHT’S WEATHER FORECAST

3/20
74°Lo
RealFeel® 73°
Mainly clear

TOMORROW’S WEATHER FORECAST

3/21
85°/ 73°
RealFeel® 90°
An a.m. shower; partly sunny

St. John's Weather Radar

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