St. Louis Regional Airport Alton, IL Weather

    11:00 Monday
    Sunny
    Clear
    27° Feels like 27°
    Moderate southwest wind Southwest 12 - 26 km/h
    reloj Hourly Cloudy intervals for the next few hours
    • Today 12 Oct. Scattered clouds 32° / 17° Moderate southwest wind 17 - 33 km/h
    • Tomorrow 13 Oct. Clear 33° / 20° Moderate southwest wind 14 - 27 km/h
    • Wednesday 14 Oct. Thunderstorm with partly cloudy skies 80% 3.9 mm 26° / 21° Moderate southwest wind 13 - 27 km/h
    • Thursday 15 Oct. Light rain with partly cloudy skies 90% 11 mm 26° / 20° Moderate southwest wind 16 - 33 km/h
    • Friday 16 Oct. Light rain with partly cloudy skies 70% 0.2 mm 22° / 11° Strong north wind 30 - 56 km/h
    • Saturday 17 Oct. Clear 17° / 6° Moderate north wind 11 - 27 km/h
    • Sunday 18 Oct. Partly cloudy 20° / 8° Moderate southeast wind 11 - 26 km/h

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

    , 12 October

    Tomorrow

    , 13 October
    11:00 Clear 27° Sunny
    Feels Like 27°
    Moderate southwest wind Southwest 12 - 26 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 27 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 15092 ft
    12:00 Clear 29° Sunny
    Feels Like 29°
    Moderate southwest wind Southwest 13 - 29 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 29 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 15092 ft
    13:00 Clear 30° Sunny
    Feels Like 30°
    Moderate southwest wind Southwest 15 - 31 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 30 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 15420 ft
    14:00 Scattered clouds 31° Scattered clouds
    Feels Like 31°
    Moderate southwest wind Southwest 16 - 33 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 40%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 23%
    • Feels Like Feels Like 31 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 15420 ft
    15:00 Clear 32° Sunny
    Feels Like 31°
    Moderate southwest wind Southwest 17 - 33 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 38%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 31 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 15420 ft
    16:00 Scattered clouds 32° Scattered clouds
    Feels Like 32°
    Moderate southwest wind Southwest 16 - 33 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 37%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 34%
    • Feels Like Feels Like 32 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 15420 ft
    Scattered clouds 17:00 Scattered clouds 31° Scattered clouds
    Feels Like 31°
    Moderate southwest wind Southwest 13 - 31 km/h
    		UV Index 1 Low SPF: no
    17:00 Scattered clouds 31° Scattered clouds
    Feels Like 31°
    Moderate southwest wind Southwest 13 - 31 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 41%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 47%
    • Feels Like Feels Like 31 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 15420 ft
    18:00 Clear 29° Sunny
    Feels Like 29°
    Moderate south wind South 10 - 22 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 7%
    • Feels Like Feels Like 29 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 22 km/h
    • Snowline Snowline 15748 ft
    19:00 Clear skies 27° Clear
    Feels Like 27°
    Gentle south wind South 11 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 8%
    • Feels Like Feels Like 27 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 15748 ft
    Clear 20:00 Clear skies 26° Clear
    Feels Like 27°
    Moderate south wind South 14 - 23 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear skies 26° Clear
    Feels Like 27°
    Moderate south wind South 14 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 27 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 15748 ft
    21:00 Clear skies 26° Clear
    Feels Like 27°
    Moderate south wind South 17 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 53%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 27 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 15748 ft
    22:00 Scattered clouds 26° Scattered clouds
    Feels Like 26°
    Moderate southwest wind Southwest 17 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point 16 °C
    • Clouds Clouds 17%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 15748 ft
    Partly cloudy 23:00 Partly cloudy 25° Partly cloudy
    Feels Like 26°
    Moderate southwest wind Southwest 17 - 31 km/h
    		UV Index 0 Low SPF: no
    23:00 Partly cloudy 25° Partly cloudy
    Feels Like 26°
    Moderate southwest wind Southwest 17 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 69%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 15420 ft
    24:00 Scattered clouds 25° Scattered clouds
    Feels Like 26°
    Moderate southwest wind Southwest 16 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 50%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 44%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 15092 ft

    Air quality in St. Louis Regional Airport Alton today

    Detail
    52
    Moderate O₃ (136 µg/m³)

    Sunrise and Sunset

    Sunrise 07:06 Sunset 18:25
    First light 06:40 Midday 12:46 Last light 18:52
    Day length 11h 19m

    Remaining daylight 7h 3m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    12 First Quarter
    13 First Quarter
    14 First Quarter
    15 First Quarter
    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 Full Moon
    25 Full Moon

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

    • Avg. Temp.
      Avg. Temp.: 14 °C Max.: 20 °C Min: 9 °C
    • Rainy Days
      Rainy Days: 9 days
    • Accumulated Rainfall
      Accumulated Rainfall: 88 mm
    • Average Wind Speed
      Average Wind Speed: 12 km/h

    Weather graphs

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