Harman US

Nekoma, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Nekoma, a community in Knox County, Illinois.

Overnight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2am. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

7-day forecast for Nekoma

WhenTempForecastWindPrecip
Overnight 67°F Chance Showers And Thunderstorms 10 mph SE 43%
Saturday 83°F Chance Showers And Thunderstorms 10 mph S 54%
Saturday Night 65°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 mph N 77%
Sunday 72°F Showers And Thunderstorms 5 to 15 mph NE 77%
Sunday Night 58°F Showers And Thunderstorms Likely 15 mph NE 65%
Monday 64°F Showers And Thunderstorms Likely 15 to 20 mph NE 63%
Monday Night 53°F Chance Rain Showers 15 mph NE 45%
Tuesday 63°F Chance Rain Showers 15 mph NE 39%
Tuesday Night 49°F Mostly Cloudy 5 to 15 mph NE 4%
Wednesday 66°F Mostly Sunny 10 mph NE 2%
Wednesday Night 52°F Partly Cloudy 0 to 5 mph NE 2%
Thursday 68°F Mostly Sunny 0 to 5 mph NE 4%
Thursday Night 54°F Partly Cloudy 0 to 5 mph NE 6%
Friday 70°F Mostly Sunny 5 to 10 mph NE 6%

Forecast source: National Weather Service (api.weather.gov) for Nekoma (41.172, -90.191). Updated through the day.

Growing snapshot for Nekoma

Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
5b

More local growing data for Nekoma: nearby ZIP 61414 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

All Illinois locations ›

Climate data from the nearest NOAA station, Altona, Il (0.6 mi from Nekoma). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.