Osco, IL weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Osco now

Loading the National Weather Service forecast…

Osco weather by the hour

Osco weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Osco.

This week in Osco

Sunrise, sunset and moon in Osco

What is the weather usually like in Osco?

Dfa
Hot-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

9°29°50°70°90°30°14°Jan35°18°Feb48°29°Mar62°39°Apr73°51°May82°61°Jun85°65°Jul83°62°Aug77°54°Sep64°42°Oct48°30°Nov35°20°Dec

Average precipitation (inches)

1.6"Jan1.8"Feb2.7"Mar4.0"Apr4.9"May4.4"Jun4.1"Jul4.1"Aug3.6"Sep3.2"Oct2.6"Nov2.1"Dec

Best time to visit Osco: May–June and August–September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GENESEO, IL US (USC00113384), adjusted for the elevation of Osco.

Osco weather month by month

January
30° 14°F
1.6 in of rain · 5 wet days❄ 9.8 in of snow
February
35° 18°F
1.8 in of rain · 4 wet days❄ 6.1 in of snow
March
48° 29°F
2.7 in of rain · 6 wet days❄ 2.8 in of snow
April
62° 39°F
4.0 in of rain · 7 wet days❄ 0.7 in of snow
May
73° 51°F
4.9 in of rain · 9 wet days
June
82° 61°F
4.4 in of rain · 7 wet days
July
85° 65°F
4.1 in of rain · 6 wet days
August
83° 62°F
4.1 in of rain · 7 wet days
September
77° 54°F
3.6 in of rain · 5 wet days
October
64° 42°F
3.2 in of rain · 5 wet days❄ 0.1 in of snow
November
48° 30°F
2.6 in of rain · 5 wet days❄ 1.6 in of snow
December
35° 20°F
2.1 in of rain · 5 wet days❄ 7.3 in of snow

Sunrise and sunset in Osco through the year

MonthSunriseSunsetDaylight
January7:23 AM4:58 PM9 h 35 min
February6:54 AM5:36 PM10 h 42 min
March7:10 AM7:09 PM11 h 58 min
April6:19 AM7:42 PM13 h 23 min
May5:40 AM8:14 PM14 h 34 min
June5:25 AM8:37 PM15 h 12 min
July5:39 AM8:34 PM14 h 55 min
August6:09 AM8:01 PM13 h 52 min
September6:40 AM7:12 PM12 h 31 min
October7:11 AM6:21 PM11 h 9 min
November6:48 AM4:43 PM9 h 54 min
December7:18 AM4:34 PM9 h 15 min

Times for the 15th of each month, local time (America/Chicago).

What is the weather like in Osco?

Osco has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (30°C), and the coldest is January, with average lows of 14°F (-10°C).

It gets about 39.1 inches (993 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 28 inches fall in an average year.

The best time to visit Osco is May–June and August–September. At 771 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about Osco

Weather in towns near Osco

Questions about the weather in Osco

What is the hottest month in Osco?

July, with an average high of 85°F (30°C).

What is the coldest month in Osco?

January, with an average low of 14°F (-10°C).

How much does it rain in Osco?

About 39.1 inches (993 mm) a year; the wettest month is May.

Does it snow in Osco?

Yes, about 28 inches of snow fall in an average year.

When is the best time to visit Osco?

May–June and August–September, when temperatures are most pleasant and rainy days are fewer.

What climate does Osco have?

Hot-summer humid continental (Köppen Dfa).

What is the weather like in Osco in November?

Highs average 48°F and lows 30°F, with about 2.6 inches of precipitation.

What time is sunrise in Osco?

Around 6:48 AM in mid-November, and sunset around 4:43 PM. Today’s exact times are shown above.

Where does this Osco weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Osco.

All about Osco ›

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