St. Louis Regional Airport Alton, IL Weather

    04:00 Tuesday
    Clear
    Clear skies
    21° Feels like 21°
    New Moon New Moon Illuminated: 0%
    reloj Hourly Clear skies for the next few hours
    • Today 14 July Clear 32° / 20° Moderate northeast wind 12 - 26 km/h
    • Tomorrow 15 July Light rain with partly cloudy skies 40% 0.1 mm 33° / 21° Moderate southeast wind 12 - 25 km/h
    • Thursday 16 July Light rain with partly cloudy skies 70% 0.8 mm 32° / 23° Moderate southwest wind 9 - 20 km/h
    • Friday 17 July Thunderstorm with partly cloudy skies 80% 6.6 mm 30° / 24° Moderate west wind 7 - 32 km/h
    • Saturday 18 July Thunderstorm with partly cloudy skies 60% 0.8 mm 33° / 24° Moderate west wind 12 - 27 km/h
    • Sunday 19 July Clear 35° / 25° Moderate west wind 11 - 25 km/h
    • Monday 20 July Thunderstorm with partly cloudy skies 30% 0.4 mm 35° / 26° Moderate west wind 13 - 40 km/h

    Weather Forecast for St. Louis Regional Airport Alton, IL Today

    , 14 July

    Tomorrow

    , 15 July
    04:00 Clear skies 21° Clear
    Feels Like 21°
    Gentle northeast wind Northeast 8 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 91%
    • Dew Point Dew Point 20 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 16404 ft
    05:00 Clear skies 21° Clear
    Feels Like 21°
    Gentle northeast wind Northeast 7 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 90%
    • Dew Point Dew Point 19 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 16404 ft
    06:00 Clear 21° Sunny
    Feels Like 21°
    Gentle northeast wind Northeast 7 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 91%
    • Dew Point Dew Point 19 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 16732 ft
    07:00 Clear 22° Sunny
    Feels Like 21°
    Gentle northeast wind Northeast 10 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point 20 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 16732 ft
    Sunny 08:00 Clear 24° Sunny
    Feels Like 24°
    Gentle northeast wind Northeast 7 - 17 km/h
    		UV Index 1 Low SPF: no
    08:00 Clear 24° Sunny
    Feels Like 24°
    Gentle northeast wind Northeast 7 - 17 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 83%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 24 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 17060 ft
    09:00 Clear 26° Sunny
    Feels Like 28°
    Gentle northeast wind Northeast 8 - 18 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 74%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 28 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 17060 ft
    10:00 Clear 28° Sunny
    Feels Like 30°
    Moderate northeast wind Northeast 9 - 20 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 30 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 17060 ft
    Sunny 11:00 Clear 29° Sunny
    Feels Like 32°
    Moderate northeast wind Northeast 10 - 22 km/h
    		UV Index 7 High SPF: 15-25
    11:00 Clear 29° Sunny
    Feels Like 32°
    Moderate northeast wind Northeast 10 - 22 km/h
    		UV Index 7 High SPF: 15-25
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 32 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 16732 ft
    12:00 Clear 30° Sunny
    Feels Like 33°
    Moderate northeast wind Northeast 9 - 22 km/h
    		UV Index 9 Very High! SPF: 25-50
    • Rain Rain 0% 0 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 33 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 16732 ft
    13:00 Scattered clouds 31° Scattered clouds
    Feels Like 33°
    Moderate east wind East 10 - 23 km/h
    		UV Index 9 Very High! SPF: 25-50
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 17%
    • Feels Like Feels Like 33 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 16732 ft
    Scattered clouds 14:00 Scattered clouds 31° Scattered clouds
    Feels Like 34°
    Moderate northeast wind Northeast 11 - 24 km/h
    		UV Index 9 Very High! SPF: 25-50
    14:00 Scattered clouds 31° Scattered clouds
    Feels Like 34°
    Moderate northeast wind Northeast 11 - 24 km/h
    		UV Index 9 Very High! SPF: 25-50
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 13%
    • Feels Like Feels Like 34 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Snowline Snowline 16732 ft
    15:00 Scattered clouds 31° Scattered clouds
    Feels Like 34°
    Moderate northeast wind Northeast 12 - 25 km/h
    		UV Index 7 High SPF: 15-25
    • Rain Rain 10% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 11%
    • Feels Like Feels Like 34 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 17388 ft
    16:00 Clear 31° Sunny
    Feels Like 34°
    Moderate northeast wind Northeast 12 - 26 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 9%
    • Feels Like Feels Like 34 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 17717 ft
    Scattered clouds 17:00 Scattered clouds 31° Scattered clouds
    Feels Like 34°
    Moderate northeast wind Northeast 11 - 26 km/h
    		UV Index 3 Moderate SPF: 6-10
    17:00 Scattered clouds 31° Scattered clouds
    Feels Like 34°
    Moderate northeast wind Northeast 11 - 26 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 56%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 15%
    • Feels Like Feels Like 34 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 17717 ft
    18:00 Clear 31° Sunny
    Feels Like 34°
    Moderate northeast wind Northeast 9 - 23 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 58%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 5%
    • Feels Like Feels Like 34 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 17717 ft
    19:00 Clear 30° Sunny
    Feels Like 33°
    Gentle northeast wind Northeast 7 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 23 °C
    • Clouds Clouds 8%
    • Feels Like Feels Like 33 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 17717 ft
    Sunny 20:00 Clear 28° Sunny
    Feels Like 31°
    Gentle northeast wind Northeast 6 - 13 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear 28° Sunny
    Feels Like 31°
    Gentle northeast wind Northeast 6 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 74%
    • Dew Point Dew Point 23 °C
    • Clouds Clouds 6%
    • Feels Like Feels Like 31 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 17388 ft
    21:00 Clear skies 26° Clear
    Feels Like 28°
    Gentle northeast wind Northeast 7 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point 22 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 28 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 17388 ft
    22:00 Clear skies 25° Clear
    Feels Like 27°
    Gentle northeast wind Northeast 9 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 27 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 17388 ft
    Clear 23:00 Clear skies 25° Clear
    Feels Like 25°
    Gentle northeast wind Northeast 7 - 15 km/h
    		UV Index 0 Low SPF: no
    23:00 Clear skies 25° Clear
    Feels Like 25°
    Gentle northeast wind Northeast 7 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 17388 ft
    24:00 Clear skies 24° Clear
    Feels Like 24°
    Gentle northeast wind Northeast 7 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point 21 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 24 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 17388 ft

    Air quality in St. Louis Regional Airport Alton today

    Detail
    54
    Moderate O₃ (141 µg/m³)

    Sunrise and Sunset

    Sunrise 05:46 Sunset 20:25
    First light 05:15 Midday 13:06 Last light 20:56
    Day length 14h 39m

    Time remaining until sunrise 1h 39m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    14 New Moon
    15 New Moon
    16 First Quarter
    17 First Quarter
    18 First Quarter
    19 First Quarter
    20 First Quarter
    21 First Quarter
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter

    What is the weather like in St. Louis Regional Airport Alton, IL in July?

    • Avg. Temp.
      Avg. Temp.: 26 °C Max.: 31 °C Min: 21 °C
    • Rainy Days
      Rainy Days: 10 days
    • Accumulated Rainfall
      Accumulated Rainfall: 86 mm
    • Average Wind Speed
      Average Wind Speed: 9 km/h

    Weather graphs

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