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Belleville, IL Weather Forecast | 5 Day

Updated: Sun Jul 20th 2025 1:45 AM CDT

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Belleville, IL Weather Forecast - 7-20 - Overcast

Overcast

Sun 7-20

Overcast with a high of 94°F and a low of 75°F. Winds will be light at 10mph and gusts of 14.6mph at 9 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 95% at 2 AM and 57% being its lowest at 3 PM. Barometric pressure is its highest of 29.95inHg at 9 AM, a lowest point of 29.84inHg at 8 PM with an avg 29.9inHg.

    • HI: 94°F
    • LO: 75°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      9.2 mph
    • Humidity
      79% avg.
    • UV Index
      2.6
    • Air Quality
      Moderate
    • Sunrise
      05:52 AM
    • Sunset
      08:20 PM
    • Moonrise
      01:20 AM
    • Moonset
      04:53 PM
    • Moon Phase
      Waning Crescent
Belleville, IL Weather Forecast - 7-21 - Heavy Rain

Heavy Rain

Mon 7-21

Heavy Rain with a high of 91°F and a low of 76°F. It will likey rain, having a 89% chance of a downpour with an estimated 1.03in. Wind will be moderate, blowing around 13mph on average and gusts of 16.5mph at 2 PM. High humidity with average of 87% is anticipated, the maximum being 99% at 4 AM and 72% being its lowest at 1 PM. Barometric pressure is its highest of 29.97inHg at 7 AM, a lowest point of 29.84inHg at 12 AM with an avg 29.91inHg.

    • HI: 91°F
    • LO: 76°F
    • Rainfall: 89% | est. 1.03in
    • Snowfall: 0%
    • Wind
      12.3 mph
    • Humidity
      87% avg.
    • UV Index
      2.4
    • Air Quality
      Moderate
    • Sunrise
      05:53 AM
    • Sunset
      08:19 PM
    • Moonrise
      02:07 AM
    • Moonset
      06:04 PM
    • Moon Phase
      Waning Crescent
Belleville, IL Weather Forecast - 7-22 - Partly Cloudy

Partly Cloudy

Tue 7-22

Partly Cloudy with a high of 97°F and a low of 76°F. Winds will be light at 8mph and gusts of 14.6mph at 10 PM. High humidity with average of 83% is anticipated, the maximum being 99% at 4 AM and 63% being its lowest at 4 PM. Barometric pressure is its highest of 29.98inHg at 10 AM, a lowest point of 29.93inHg at 5 PM with an avg 29.96inHg.

    • HI: 97°F
    • LO: 76°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      7.6 mph
    • Humidity
      83% avg.
    • UV Index
      2.7
    • Air Quality
      Moderate
    • Sunrise
      05:54 AM
    • Sunset
      08:19 PM
    • Moonrise
      03:05 AM
    • Moonset
      07:07 PM
    • Moon Phase
      Waning Crescent
Belleville, IL Weather Forecast - 7-23 - Partly Cloudy

Partly Cloudy

Wed 7-23

Partly Cloudy with a high of 95°F and a low of 78°F. Wind will be moderate, blowing around 11mph on average and gusts of 17.7mph at 11 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 96% at 1 AM and 53% being its lowest at 3 PM. Barometric pressure is its highest of 30.01inHg at 11 AM, a lowest point of 29.94inHg at 5 PM with an avg 29.97inHg.

    • HI: 95°F
    • LO: 78°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      10.1 mph
    • Humidity
      75% avg.
    • UV Index
      2.7
    • Air Quality
      Good
    • Sunrise
      05:55 AM
    • Sunset
      08:18 PM
    • Moonrise
      04:12 AM
    • Moonset
      07:59 PM
    • Moon Phase
      Waning Crescent
Belleville, IL Weather Forecast - 7-24 - Patchy Rain Nearby

Patchy Rain Nearby

Thu 7-24

Scattered showers with a high of 92°F and a low of 70°F. Rainfall expected in the surrounding area to have a 66% chance with an estimated 0.01in. Wind will be moderate, blowing around 14mph on average and gusts of 18.1mph at 12 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 93% at 7 PM and 61% being its lowest at 1 PM. Barometric pressure is its highest of 30.06inHg at 9 AM, a lowest point of 29.97inHg at 4 PM with an avg 30.02inHg.

    • HI: 92°F
    • LO: 70°F
    • Rainfall: 66% | est. 0.01in
    • Snowfall: 0%
    • Wind
      13.2 mph
    • Humidity
      77% avg.
    • UV Index
      0
    • Air Quality
      TBA
    • Sunrise
      05:55 AM
    • Sunset
      08:17 PM
    • Moonrise
      05:25 AM
    • Moonset
      08:39 PM
    • Moon Phase
      New Moon
Belleville, IL Weather Forecast - 7-25 - Sunny

Sunny

Fri 7-25

Sunny with a high of 89°F and a low of 70°F. Winds will be light at 8mph and gusts of 15.4mph at 1 AM. High humidity with average of 82% is anticipated, the maximum being 94% at 1 AM and 63% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 12 AM, a lowest point of 29.93inHg at 5 PM with an avg 29.98inHg.

    • HI: 89°F
    • LO: 70°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      7.4 mph
    • Humidity
      82% avg.
    • UV Index
      7
    • Air Quality
      TBA
    • Sunrise
      05:56 AM
    • Sunset
      08:16 PM
    • Moonrise
      06:38 AM
    • Moonset
      09:12 PM
    • Moon Phase
      Waxing Crescent

Currently

Mist 77°F
29.93 inHg.
Barometer
96%
Humidity
SW 11.2 mph
Wind
Mist

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