See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
37°
Clear
Feels Like: 13°
Min: 21°
Max: 37°
The next few hours will be clear, with today reaching 37°C and dropping to 25°C. The coming days will be mostly clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:47
Sunrise
19:02
Sunset
Moon
Waxing Crescent
11:33
Moonrise
20:41
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
Sunday
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Thursday
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Weather in Upper Alton today, September 15, 2026
Conditions in Upper Alton on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.
Expect highs of 37°C and cooler readings close to 21°C. Expect humidity between 30% and 70%, most humid near 23:00. Winds stay light, near 4.1 km/h by 23:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 19:00. Sunshine remains the exception, not the rule. Visibility stays near 16.1 km. Expect sunrise at 06:47, sunset at 19:02, and 12 hours 14 minutes of sunlight today overall.
In short, September 15, 2026 looks like a fine day in Upper Alton for being outside, peaking around 37°C.
Frequently asked questions about weather in Upper Alton
How warm does it get in Upper Alton?
The warmest month in Upper Alton is July, with average high temperatures of 31°C. The average temperature during this period is around 26°C.
How cold does it get in Upper Alton?
The coldest month in Upper Alton is January, with average low temperatures of -4°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Upper Alton?
The wettest month in Upper Alton is May, with an average of 128mm of precipitation.
What is the driest time of year in Upper Alton?
The driest month in Upper Alton is December, with an average of 55mm of precipitation.
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