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 Current St Charles Weather Conditions |
Updated May 14th at 1:54 am |
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| Temperature: | 54°F |
Dew Point: | 39°F |
| Barometer: | 30.06 inHg |
Wind: | calm |
| Humidity: | 58.0% |
Visibility: | 0M |
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| St Charles Weather Forecast Summary |
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Today
May 14th
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Friday
May 15th
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Saturday
May 16th
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Sunday
May 17th
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Monday
May 18th
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Mostly Sunny |
Mix of Sun and Cloud |
Mostly Sunny |
Mostly Sunny |
Thundershowers |
68°F
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83°F
54°F |
80°F
65°F |
83°F
64°F |
83°F
68°F |
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| St Charles Detailed Weather Forecast |
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| Thursday, May 14th, 2026 |
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Overnight |
Temperature: 50°F |
| Clear. |
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Morning |
Temperature: 55°F |
| Sunny. |
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Afternoon |
Temperature: 68°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 59°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Friday, May 15th, 2026 |
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Overnight |
Temperature: 55°F |
| A mix of cloudy and clear skies with a slight chance of showers. Windy at times. |
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Morning |
Temperature: 59°F |
| Mostly sunny with a chance of showers. Windy. |
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Afternoon |
Temperature: 79°F |
| A mix of sun and cloud. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 70°F |
| A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times. |
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| Saturday, May 16th, 2026 |
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Overnight |
Temperature: 66°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 72°F |
| A mix of cloud and sun. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 79°F |
| A mix of cloud and sun with a chance of showers or thundershowers. Windy. |
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Evening |
Temperature: 72°F |
| Mostly clear. Chance of a thunderstorm. Windy at times. |
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| Sunday, May 17th, 2026 |
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Overnight |
Temperature: 65°F |
| Mostly clear. |
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Morning |
Temperature: 70°F |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 82°F |
| Mostly sunny. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 74°F |
| Clear. Chance of a thunderstorm. Windy. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 69°F |
| Mostly clear with a chance of showers. Windy at times. |
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Morning |
Temperature: 72°F |
| A mix of cloud and sun with a chance of showers or thundershowers. Windy. |
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Afternoon |
Temperature: 83°F |
| Sunny with cloudy periods with showers likely. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 79°F |
| Mostly clear with a chance of showers or thundershowers. Windy at times. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 64°F |
| A mix of clear and cloudy skies with showers likely. |
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Morning |
Temperature: 61°F |
| Mostly cloudy. Windy at times. |
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Afternoon |
Temperature: 68°F |
| A mix of sun and cloud. |
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Evening |
Temperature: 61°F |
| Mostly clear. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 55°F |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: 60°F |
| A mix of sun and cloud. Windy at times. |
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Afternoon |
Temperature: 67°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 64°F |
| Mostly cloudy with a chance of showers. Windy at times. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 64°F |
| Cloudy with a few showers. |
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Morning |
Temperature: 67°F |
| Cloudy with a few showers. Chance of a thunderstorm. |
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Afternoon |
Temperature: 69°F |
| Mostly cloudy with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 64°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 55°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 56°F |
| Mostly sunny. Windy at times. |
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Afternoon |
Temperature: 63°F |
| Sunny with cloudy periods. Windy at times. |
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Evening |
Temperature: 59°F |
| Clear. |
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