 |
 Current Alton Weather Conditions |
Updated September 19th at 4:50 am |
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| Overcast |
| Temperature: | 59°F |
Dew Point: | 57°F |
| Barometer: | 30.09 inHg |
Wind: | N 9 Mph |
| Humidity: | 93.7% |
Visibility: | n/a |
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| Alton Weather Forecast Summary |
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Today
Sep 19th
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Saturday
Sep 20th
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Sunday
Sep 21st
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Monday
Sep 22nd
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Tuesday
Sep 23rd
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 |
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Cloudy |
Cloudy |
Cloudy |
Showers |
Cloudy |
73°F
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70°F
56°F |
62°F
54°F |
61°F
50°F |
60°F
44°F |
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| Alton Detailed Weather Forecast |
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| Friday, September 19th, 2025 |
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Morning |
Temperature: 70°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 68°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 60°F |
| Cloudy. |
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| Saturday, September 20th, 2025 |
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Overnight |
Temperature: 62°F |
| Cloudy. |
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Morning |
Temperature: 66°F |
| Cloudy with a slight chance of showers. Windy at times. |
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Afternoon |
Temperature: 67°F |
| A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 59°F |
| Clear. Wind 20 to 30 mph. |
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| Sunday, September 21st, 2025 |
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Overnight |
Temperature: 56°F |
| Clear. Windy. |
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Morning |
Temperature: 61°F |
| A mix of cloud and sun. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 58°F |
| Cloudy. Windy. |
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Evening |
Temperature: 55°F |
| Cloudy. Windy at times. |
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| Monday, September 22nd, 2025 |
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Overnight |
Temperature: 54°F |
| A mix of cloudy and clear skies with a chance of showers. |
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Morning |
Temperature: 59°F |
| Cloudy with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 56°F |
| Cloudy with showers likely. Windy at times. |
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Evening |
Temperature: 51°F |
| Clear with cloudy periods with a slight chance of showers. Windy at times. |
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| Tuesday, September 23rd, 2025 |
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Overnight |
Temperature: 46°F |
| Clear. Windy at times. |
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Morning |
Temperature: 57°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 58°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 51°F |
| Clear with cloudy periods. |
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| Wednesday, September 24th, 2025 |
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Overnight |
Temperature: 45°F |
| Clear. |
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Morning |
Temperature: 58°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 57°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 48°F |
| Clear. |
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| Thursday, September 25th, 2025 |
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Overnight |
Temperature: 45°F |
| Clear. |
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Morning |
Temperature: 59°F |
| A mix of sun and cloud. |
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Afternoon |
Temperature: 59°F |
| Cloudy. |
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Evening |
Temperature: 50°F |
| Cloudy. |
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| Friday, September 26th, 2025 |
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Overnight |
Temperature: 48°F |
| Clear. |
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Morning |
Temperature: 61°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 59°F |
| A mix of sun and cloud. Windy at times. |
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Evening |
Temperature: 49°F |
| Clear. |
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