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St. Peters, MO

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St. Peters, MO Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

6:43 AM

48°F
RealFeel® 48°
Air Quality Fair
Wind S 4 mph
Wind Gusts 8 mph
Clear More Details

Current Air Quality

Today

12/8

27
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

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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
Tree Pollen
Low
The risk of tree pollen symptoms is low.
Ragweed Pollen
Low
The risk for ragweed pollen symptoms is low.
Mold
Low
The risk of mold allergy symptoms is low.
Grass Pollen
Low
The risk of grass pollen symptoms is low.
Dust & Dander
Moderate
The risk of dust and dander allergy symptoms is moderate. Closing your windows on windy days can help prevent outside dust or dander from getting into your home.
Arthritis
Moderate
The risk of experiencing weather-related arthritis pain is moderate. Stay hydrated and stretch to help avoid arthritis symptoms.
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
Fair
Fishing conditions are fair.
Running
Great
Conditions for running are great. Be sure to warm up and cool down adequately.
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
Poor
Conditions for stargazing are poor.
Hiking
Great
Conditions for hiking are great. Wear sunscreen and UV-protective clothing.
Lawn Mowing
Poor
Conditions for lawn mowing are poor. Avoid mowing your lawn when it is wet, or temperatures are too cold.
Composting
Fair
Composting conditions are fair. All materials you add should be shredded or broken into smaller pieces.
Outdoor Entertaining
Good
Conditions for outdoor entertaining will be good. Make sure you have shade available, so guests do not overheat.
Air Travel
Ideal
Conditions for flying are ideal. 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
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

TODAY’S WEATHER FORECAST

12/8
62°Hi
RealFeel® 58°
Some sun, then clouds; warm

TONIGHT’S WEATHER FORECAST

12/8
46°Lo
RealFeel® 40°
Rain and a t-storm; breezy

TOMORROW’S WEATHER FORECAST

12/9
54°/ 32°
RealFeel® 51°
Partly sunny

Looking Ahead

Rain and thunderstorms tonight

St. Peters Weather Radar

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St. Peters Weather Radar
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World North America United States Missouri St. Peters

Weather Near St. Peters:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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