Altamont

Pacific County, Illinois, United States

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Current Weather

35°

Mostly Clear

Feels Like: 37°

Min: 23°

Max: 35°

The next few hours will be overcast, with today reaching 35°C and dropping to 24°C. The coming days will be partly cloudy until afternoon, returning overnight.

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

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Today
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Daylight Hours

06:43

Sunrise

18:55

Sunset

12 hours 11 minutes of sunlight today

Moon

Waxing Crescent

12:31

Moonrise

21:06

Moonset

Daily Forecast

Today

23°
35°

Thursday

24°
34°

Friday

21°
32°

Saturday

22°
34°

Sunday

22°
31°

Monday

19°
29°

Tuesday

17°
27°

Wednesday

16°
27°

Thursday

16°
33°

Friday

17°
27°

Air Quality Data Available

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UV Index

Wear sunscreen
5 Moderate
Low Extreme

Humidity

41% Dry
Low High

Weather in Altamont today, September 16, 2026

Conditions in Altamont on September 16, 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 35°C and cooler readings close to 23°C. Moisture in the air spans 40%-63%, with the highest values around 22:00. A lighter breeze peaks around 16:00 near 4.3 km/h.

Through the afternoon cloud remains the main feature, with cover near 100% around 23:00. Bright spells should stay limited even as the day wears on. Views remain open at about 16.1 km. Expect sunrise at 06:43, sunset at 18:55, and 12 hours 11 minutes of sunlight today overall.

Taken together, settled sunshine in Altamont on September 16, 2026 makes outdoor timing easier, with highs near 35°C.

Frequently asked questions about weather in Altamont

How warm does it get in Altamont?

The warmest month in Altamont 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 Altamont?

The coldest month in Altamont is January, with average low temperatures of -3°C. The average temperature during this period is around 0°C.

What is the wettest time of year in Altamont?

The wettest month in Altamont is July, with an average of 136mm of precipitation.

What is the driest time of year in Altamont?

The driest month in Altamont is September, with an average of 72mm of precipitation.

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Metric (°C, km/h)