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Petersburg, IL

74°F
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Petersburg

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74°
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Petersburg, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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9 AM

74°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Mostly cloudy

RealFeel Shade™78°

WindNNE 6 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts7 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling6300 ft

10 AM

76°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™80°

WindNNE 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts8 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling2000 ft

11 AM

78°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 53%
Chevron down
Showers

RealFeel Shade™80°

WindN 7 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts8 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover83%

Rain0.02 in

Visibility6 mi

Cloud Ceiling3700 ft

12 PM

79°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™83°

Heat Index83°

WindNNE 7 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts9 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover71%

Visibility10 mi

Cloud Ceiling5400 ft

1 PM

81°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 48%
Chevron down
Intermittent clouds

RealFeel Shade™85°

Heat Index85°

WindNNE 8 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts12 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling7100 ft

2 PM

82°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ showers

RealFeel Shade™84°

Heat Index87°

WindNNE 8 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts12 mph

Humidity70%

Indoor Humidity70% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.01 in

Visibility6 mi

Cloud Ceiling7000 ft

3 PM

84°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™87°

Heat Index89°

WindNNE 8 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts13 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover69%

Visibility10 mi

Cloud Ceiling7100 ft

4 PM

83°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

RealFeel Shade™86°

Heat Index87°

WindNNE 7 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts14 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

82°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 34%
Chevron down
Partly sunny

RealFeel Shade™86°

Heat Index87°

WindNNE 7 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts13 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover47%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

81°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Mostly sunny

RealFeel Shade™85°

Heat Index85°

WindNNE 7 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts12 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

79°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 22%
Chevron down
Sunny

RealFeel Shade™84°

Heat Index83°

WindNNE 6 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts9 mph

Humidity76%

Indoor Humidity76% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 6 mph

Air QualityFair

Wind Gusts9 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

74°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

72°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity93%

Indoor Humidity93% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

71°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity95%

Indoor Humidity95% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Petersburg

AccuWeather's hourly forecast for Petersburg provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 74° with a RealFeel® of 80°, mostly cloudy with a 34% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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