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Ruma, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ruma, a village in Randolph County, Illinois.

This Afternoon
73°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.

7-day forecast for Ruma

WhenTempForecastWindPrecip
This Afternoon 73°F Rain 16 to 22 mph S 94%
Tonight 54°F Rain 7 to 14 mph S 96%
Wednesday 65°F Mostly Cloudy 5 to 10 mph W 3%
Wednesday Night 44°F Partly Cloudy 3 mph SW 0%
Thursday 71°F Sunny 3 to 8 mph SW 2%
Thursday Night 46°F Slight Chance Light Rain then Mostly Cloudy 2 to 6 mph W 20%
Friday 62°F Partly Sunny 6 to 9 mph NW 2%
Friday Night 42°F Partly Cloudy 5 mph NW 1%
Saturday 60°F Partly Sunny 5 mph N 0%
Saturday Night 38°F Partly Cloudy 2 mph NW 2%
Sunday 61°F Sunny 2 to 7 mph NW 4%
Sunday Night 37°F Mostly Clear 3 mph W 6%
Monday 64°F Sunny 2 to 6 mph W 3%
Monday Night 38°F Mostly Clear 2 mph SW 2%

Forecast source: National Weather Service (api.weather.gov) for Ruma (38.131, -90.000). Updated through the day.

Growing snapshot for Ruma

Last spring frost
Apr 8
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
7a

More local growing data for Ruma: nearby ZIP 62242 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Kaskaskia Rvr Navigation Lock, Il (8 mi from Ruma). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.