Riverdale

Platte County, Illinois, United States

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Current Weather

21°

Drizzle

Feels Like: 12°

Min: 14°

Max: 23°

The next few hours will be possible light rain, with today reaching 23°C and dropping to 13°C. The coming days will be hazy in the morning.

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Hourly Forecast

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Daylight Hours

06:38

Sunrise

18:51

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

12:36

Moonrise

20:53

Moonset

Daily Forecast

Today

14°
23°

Thursday

12°
18°

Friday

12°
19°

Saturday

16°

Sunday

18°

Monday

19°

Tuesday

19°

Wednesday

18°

Thursday

11°
21°

Friday

16°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

95% Very Humid
Low High

Weather in Riverdale today, September 16, 2026

Riverdale stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The first half of the day looks overcast, as cloud amounts reach about 100% around 04:00. Brighter weather, if it comes, waits until later.

The temperature range runs from about 14°C up to 23°C. Moisture in the air spans 63%-95%, with the highest values around 04:00. Winds stay light, near 5.9 km/h by 23:00, so the day feels still more than breezy.

Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 13.5 km on average, though it can drop toward 3.1 km in thicker cloud or showers. Daylight runs from 06:38 to 18:51, lasting 12 hours 12 minutes of sunlight today.

In short, cloud leads the story in Riverdale on September 16, 2026; expect limited sun and a peak around 23°C.

Frequently asked questions about weather in Riverdale

How warm does it get in Riverdale?

The warmest month in Riverdale is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.

How cold does it get in Riverdale?

The coldest month in Riverdale is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.

What is the wettest time of year in Riverdale?

The wettest month in Riverdale is May, with an average of 123mm of precipitation.

What is the driest time of year in Riverdale?

The driest month in Riverdale is February, with an average of 61mm of precipitation.

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Metric (°C, km/h)