Alton Weather
Illinois, United States
Observed: 28 Sep, 1:56 AM HDT
- Air quality
- Fair OpenWeather index: 2/5
- Wind
- NE 4 mph
- Sunrise
- 2:53 AM
- Sunset
- 2:48 PM
More conditions
- Humidity
- 82%
- Visibility
- 10 km
- Pressure
- 1018 hPa
- UV index
- Unavailable
- PM2.5
- 15.89 µg/m³
- PM10
- 16.88 µg/m³
- CO
- 188.2 µg/m³
- NO2
- 5.08 µg/m³
- O3
- 39.14 µg/m³
- SO2
- 0.9 µg/m³
- NH3
- 0.28 µg/m³
Rest of today
- Rain ahead today
- 0% peak chance
- Warmest ahead
- 77°F at 12:00 PM
- Evening rain
- 0% peak chance
- Tomorrow's high
- 5°F warmer
Plan your day
Compare citiesThu, 1 Oct
Overcast Clouds
Forecast sample range: 83°F / 69°F
Outdoor plans 8:00 AM-8:00 PM
9:00 AM · 82°F · 0% rain · 7 mph wind
Lower rain and wind among the available forecast times.
3-hour forecast
Local time · America/Adak
| Time | Conditions | Temp. | Rain chance | Wind |
|---|---|---|---|---|
| 12:00 AM |  Overcast Clouds |
73°F | 0% | 6.9 mph S |
| 3:00 AM |  Overcast Clouds |
71°F | 0% | 7.3 mph S |
| 6:00 AM | Overcast Clouds |
77°F | 0% | 7.2 mph S |
| 9:00 AM | Overcast Clouds |
82°F | 0% | 7 mph SW |
| 12:00 PM | Overcast Clouds |
83°F | 18% | 5.1 mph W |
| 3:00 PM |  Light Rain |
71°F | 100% | 1 mph NE |
| 6:00 PM | Light Rain |
70°F | 54% | 1.1 mph NE |
| 9:00 PM | Light Rain |
69°F | 100% | 3.8 mph S |
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