Granite City Weather Conditions
Current Temperature Level
Granite City Weather Conditions
Current Temperature Level
Feels Like 23°C
Chances of Rain8%
22°8%2 AM21°8%3 AM21°9%4 AM20°10%5 AM20°11%6 AM19°12%7 AM
20°10%8 AM
22°18%9 AM
24°13%10 AM
25°4%11 AM27°4%12 PM29°10%1 PM30°10%2 PM32°7%3 PM32°5%4 PM33°1%5 PM33°8%6 PM31°1%7 PM30°10%8 PM28°2%9 PM26°3%10 PM25°4%11 PM25°4%12 AM25°4%Skies are likely to remain clear overnight.
Last Updated: 2026-08-18 01:30 (Local Time)
57°ENE
Direction
4km/h
Wind Speed
Gust Speed
1.4m/s
Precipitation
Precipitation
0mm
Pressure
1018mb
UV Index
0Low
Today
26
°C
58%Wednesday
23
°C76%Thursday
23
°C80%Friday
25
°C67%Saturday
26
°C61%Sunday
24
°C65%Monday
26
°C57%Tuesday
27
°C67%Wednesday
25
°C70%Thursday
25
°C68%Sunny
Clear Sky with temperature at 26 °C and humidity will be at 58% with 13.3 km/h winds.33°C / 19°C
Humi.58 %
Prec.0 mm
Sunrise
06:17 AM13hrs 34min
Sunset
07:51 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Overcast
22 °C
75 %
0
5.4 kmph / ENE
Overcast
Feels 24 °C
Cover 100 %
Visibility 10 km
1 AM
Clear
22 °C
75 %
0
4 kmph / ENE
ClearFeels 23 °C
Cover 7 %
Visibility 10 km
2 AM
Clear
21 °C
78 %
0
3.2 kmph / ENE
ClearFeels 23 °C
Cover 0 %
Visibility 10 km
3 AM
Clear
21 °C
80 %
0
5 kmph / E
ClearFeels 22 °C
Cover 0 %
Visibility 10 km
4 AM
Clear
20 °C
83 %
0
1.8 kmph / ENE
ClearFeels 22 °C
Cover 0 %
Visibility 10 km
5 AM
Clear
20 °C
84 %
0
1.8 kmph / NE
ClearFeels 22 °C
Cover 0 %
Visibility 10 km
6 AM
Clear
19 °C
87 %
0
3.2 kmph / SSE
ClearFeels 21 °C
Cover 0 %
Visibility 10 km
7 AM
Sunny
20 °C
78 %
0.2
3.6 kmph / S
SunnyFeels 22 °C
Cover 18 %
Visibility 10 km
8 AM
Overcast
22 °C
70 %
0.8
5.4 kmph / S
OvercastFeels 23 °C
Cover 100 %
Visibility 10 km
9 AM
Cloudy
24 °C
63 %
2.1
6.8 kmph / S
CloudyFeels 24 °C
Cover 87 %
Visibility 10 km
10 AM
Partly Cloudy
25 °C
54 %
4.2
6.5 kmph / S
Partly CloudyFeels 26 °C
Cover 29 %
Visibility 10 km
11 AM
Partly Cloudy
27 °C
47 %
6.4
5.8 kmph / SSW
Partly CloudyFeels 28 °C
Cover 46 %
Visibility 10 km
12 PM
Overcast
29 °C
41 %
8.2
5.8 kmph / SSW
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
1 PM
Overcast
30 °C
38 %
8.9
5.8 kmph / WSW
OvercastFeels 30 °C
Cover 100 %
Visibility 10 km
2 PM
Cloudy
32 °C
35 %
8.3
4.7 kmph / WSW
CloudyFeels 32 °C
Cover 81 %
Visibility 10 km
3 PM
Cloudy
32 °C
32 %
6.2
3.6 kmph / W
CloudyFeels 33 °C
Cover 64 %
Visibility 10 km
4 PM
Sunny
33 °C
32 %
4
3.2 kmph / W
SunnyFeels 33 °C
Cover 2 %
Visibility 10 km
5 PM
Overcast
33 °C
32 %
1.9
3.2 kmph / ENE
OvercastFeels 33 °C
Cover 91 %
Visibility 10 km
6 PM
Sunny
31 °C
40 %
0.8
8.3 kmph / E
SunnyFeels 31 °C
Cover 7 %
Visibility 10 km
7 PM
Overcast
30 °C
47 %
0.2
11.5 kmph / ESE
OvercastFeels 30 °C
Cover 96 %
Visibility 10 km
8 PM
Clear
28 °C
52 %
0
13.3 kmph / SE
ClearFeels 28 °C
Cover 5 %
Visibility 10 km
9 PM
Clear
26 °C
59 %
0
13 kmph / SE
ClearFeels 27 °C
Cover 4 %
Visibility 10 km
10 PM
Clear
25 °C
61 %
0
11.9 kmph / SE
ClearFeels 26 °C
Cover 5 %
Visibility 10 km
11 PM
Clear
25 °C
61 %
0
11.9 kmph / SE
ClearFeels 25 °C
Cover 5 %
Visibility 10 km
24°20°30°20°32°18°33°19°36°20°28°21°34°20°36°22°38°23°39°25°40°26°38°26°40°24°38°26°39°27°33°24°30°22°32°20°
31°20°28°21°28°18°30°19°32°20°33°23°31°20°31°20°31°21°
30°21°31°21°29°20°29°20°AugustWeather Overview
No. of days:
Sunny
20
Cloudy
0
Rainy
9
Snowy
0
The monthly weather averages in Granite City consist of 20 sunny days, 0 cloudy days, 9 rainy days, and 0 snowy days.
Granite City's Locations Weather Conditions
United States's Hottest Cities - August 2026
1.
Park Village, California
38 °C
Overcast
14%
0
6.1 kmph / SW
2.
Indio, California
36 °C
Clear
18%
0
13.7 kmph / NW
3.
Tolleson, Arizona
36 °C
Clear
20%
0
7.9 kmph / WSW
4.
Phoenix, Arizona
36 °C
Clear
20%
0
7.9 kmph / WSW
5.
Guadalupe, Arizona
36 °C
Clear
20%
0
7.9 kmph / WSW
6.
North Shore, California
36 °C
Clear
19%
0
13.7 kmph / NW
7.
El Centro, California
36 °C
Clear
18%
0
14 kmph / W
8.
Mecca, California
36 °C
Clear
19%
0
13.7 kmph / NW
9.
Calexico, California
36 °C
Clear
19%
0
14 kmph / W
10.
Surprise, Arizona
36 °C
Clear
18%
0
7.6 kmph / SW
Last Updated: 18 Aug 2026, 06:47 AM
City Weather RankingsFAQs About Granite City Weather Conditions
1. What is the current temperature in Granite City today - 18 August 2026?
1. What is the current temperature in Granite City today - 18 August 2026?
The current temperature in Granite City is 22°C, with a feels-like temperature of 23°C. Today's forecast shows a high of 33°C and a low of 19°C, giving a 14 degree swing through the day as of 01:30 AM 18 August 2026.
2. What are the current weather parameters in Granite City today?
2. What are the current weather parameters in Granite City today?
Here is a complete overview of Granite City's current weather conditions as of 01:30 AM 18 August 2026: Condition : Clear Temperature : 22°C Pleasant (Feels like 23°C) Humidity : 75% Wind Speed : 4 km/h from ENE (57 degrees), Gust 1.4 m/s UV Index : 0 (Low Air Pressure : 1018 mb Cloud Cover : 7% Visibility : 10 km Precipitation : 0 mm (5% chance of rain)
3. What is the 10-day weather forecast for Granite City from 01:30 AM 18 August 2026?
3. What is the 10-day weather forecast for Granite City from 01:30 AM 18 August 2026?
From 01:30 AM 18 August 2026, Granite City's 10-day forecast shows this trend: Today (Aug. 18) : Temp. 26°C, Hum. 58% and Sunny condition. Wednesday (Aug. 19) : Temp. 23°C, Hum. 76% and Overcast condition. Thursday (Aug. 20) : Temp. 23°C, Hum. 80% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 25°C, Hum. 67% and Sunny condition. Saturday (Aug. 22) : Temp. 26°C, Hum. 61% and Sunny condition. Sunday (Aug. 23) : Temp. 24°C, Hum. 65% and Overcast condition. Monday (Aug. 24) : Temp. 26°C, Hum. 57% and Sunny condition. Tuesday (Aug. 25) : Temp. 27°C, Hum. 67% and Sunny condition. Wednesday (Aug. 26) : Temp. 25°C, Hum. 70% and Rain Showers condition. Thursday (Aug. 27) : Temp. 25°C, Hum. 68% and Rain Showers condition.
4. Will it rain in Granite City today?
4. Will it rain in Granite City today?
As of 01:30 AM 18 August 2026, there is a 8% chance of rainfall in Granite City later today around 2026-08-18 02:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for Granite City in August 2026?
5. What is the monthly weather forecast for Granite City in August 2026?
August 2026 in Granite City is forecast to have 20 sunny days, 9 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 18°C to highs of 40°C.
6. How does the weather in Granite City affect air quality?
6. How does the weather in Granite City affect air quality?
Weather directly impacts air quality in Granite City. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
