 |
 Current Alton Weather Conditions |
Updated August 1st at 11:55 pm |
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| Temperature: | 64°F |
Dew Point: | 59°F |
| Barometer: | 30.3 inHg |
Wind: | calm |
| Humidity: | 82.6% |
Visibility: | 0M |
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| Alton Weather Forecast Summary |
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Today
Aug 2nd
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Sunday
Aug 3rd
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Monday
Aug 4th
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Tuesday
Aug 5th
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Wednesday
Aug 6th
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Cloudy |
Cloudy |
Cloudy |
Thundershowers |
Mostly Sunny |
73°F
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77°F
57°F |
79°F
61°F |
80°F
66°F |
83°F
67°F |
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| Alton Detailed Weather Forecast |
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| Saturday, August 2nd, 2025 |
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Overnight |
Temperature: 57°F |
| Clear. |
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Morning |
Temperature: 70°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 72°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 60°F |
| Cloudy. |
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| Sunday, August 3rd, 2025 |
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Overnight |
Temperature: 58°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 71°F |
| Sunny. |
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Afternoon |
Temperature: 74°F |
| Cloudy. |
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Evening |
Temperature: 64°F |
| Cloudy. |
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| Monday, August 4th, 2025 |
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Overnight |
Temperature: 61°F |
| Cloudy. |
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Morning |
Temperature: 75°F |
| A mix of cloud and sun. Chance of a thunderstorm. |
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Afternoon |
Temperature: 78°F |
| Sunny with cloudy periods with a chance of showers or thundershowers. |
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Evening |
Temperature: 68°F |
| Clear. Chance of a thunderstorm. |
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| Tuesday, August 5th, 2025 |
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Overnight |
Temperature: 67°F |
| Clear. Slight chance of a thunderstorm. |
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Morning |
Temperature: 77°F |
| Sunny with cloudy periods with a chance of showers or thundershowers. |
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Afternoon |
Temperature: 79°F |
| Sunny with showers likely. Chance of a thunderstorm. |
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Evening |
Temperature: 70°F |
| Clear. Chance of a thunderstorm. |
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| Wednesday, August 6th, 2025 |
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Overnight |
Temperature: 67°F |
| Clear. Slight chance of a thunderstorm. |
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Morning |
Temperature: 78°F |
| Sunny with cloudy periods. Chance of a thunderstorm. |
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Afternoon |
Temperature: 81°F |
| Sunny with cloudy periods with a slight chance of showers or thundershowers. |
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Evening |
Temperature: 70°F |
| Clear. Chance of a thunderstorm. |
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| Thursday, August 7th, 2025 |
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Overnight |
Temperature: 68°F |
| Clear. |
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Morning |
Temperature: 80°F |
| Mostly sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 82°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 71°F |
| Clear. Chance of a thunderstorm. |
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| Friday, August 8th, 2025 |
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Overnight |
Temperature: 69°F |
| Clear. Slight chance of a thunderstorm. |
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Morning |
Temperature: 81°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 83°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 74°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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| Saturday, August 9th, 2025 |
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Overnight |
Temperature: 70°F |
| Clear. Slight chance of a thunderstorm. |
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Morning |
Temperature: 85°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 84°F |
| Sunny with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 72°F |
| Cloudy with a chance of showers or thundershowers. |
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