10-Day Weather Forecast for Alton (IL)
Six-hourly outlook through Thursday 10 September. Updated every three hours via MET Norway.
What's the weather in Alton this week?
Today's weather - Tuesday 1 Sep
For Tuesday the predicted weather in Alton is mostly sunny. The maximum temperature is a very warm 34°C (93°F), while the minimum temperature is a warm 24°C (75°F).
Tomorrow's weather - Wednesday 2 Sep
Tomorrow's weather in Alton will be mostly sunny. Temperatures will range from a warm 26°C (79°F) to a very warm 35°C (95°F).
10-Day Weather Forecast
Over the next 10 days, temperatures in Alton will be will get cooler from 34°C (93°F) down to 28°C (82°F), with average daytime highs of 33°C (91°F) and nighttime lows of 25°C (77°F) over this period. Compared to normal September conditions, this is much warmer than usual. The next 10 days will feature plenty of sunshine. Expect less rainfall than usual (compared to average September levels), the days are characterized by mostly dry conditions. Precipitation is likely on approximately 2 days (Sat, Sun). Wind patterns will be generally calm.
Weather Forecast FAQ for Alton
When will be the warmest day next week?
The warmest day is expected to be Friday with a high of 36°C (97°F).
When will be the coldest day?
The coldest day is forecasted for Tuesday with a low of 21°C (70°F).
Will it rain next week in Alton?
Yes, rain is expected on 2 days , specifically on Sat, Sun.
How much rainfall is expected next week?
A total of 12 mm (0.5 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 21°C (70°F) to 36°C (97°F).
More about Alton
Explore the full Alton climate overview with monthly averages, or check rainfall data and temperature by month.
Alton weather by month
Browse monthly averages for Alton: climate by month with temperature, rainfall and sunshine.
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