Weather South Jacksonville week

Weather forecast for South Jacksonville for this and next week.

Tuesday, Jan 13

50 / 37°F

0.00 in

14 mph

37 °F	32 °F	12 am
41 °F	36 °F	6 am
50 °F	45 °F	12 pm
48 °F	43 °F	6 pm

sunrise 7:20 am
sunset 4:59 pm

HOURLY

From morning untill noon cloudy, in the afternoon clear, in the evening initially clear, later overcast. The highest temperature 50 °F. At night cloudy. The lowest temperature 37 °F. Total rainfall 0.00 in.

Interactive map weather Illinois, USA

GPS: 39.7087; -90.2282

altitude: 626 ft
local time:

PLACES IN THE AREA

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Weather forecast South Jacksonville, Illinois, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Tuesday 01/13/2026
12 AM 1 AM	cloudy	37 °F 32 °F	0.0 in	14 fps 10 mph south-southwest	30.1 in	79 %	32 °F	61 %	0%	0%	0%	61%
6 AM 7 AM	overcast	41 °F 36 °F	0.0 in	21 fps 14 mph southwest	29.9 in	69 %	32 °F	100 %	0%	0%	46%	100%
12 PM 1 PM	clear	50 °F 45 °F	0.0 in	20 fps 14 mph west	29.8 in	51 %	32 °F	6 %	0%	0%	0%	6%
6 PM 7 PM	overcast	48 °F 43 °F	0.0 in	18 fps 12 mph west-southwest	29.7 in	60 %	34 °F	97 %	0%	0%	0%	97%
Wednesday 01/14/2026
12 AM 1 AM	overcast	45 °F 39 °F	0.0 in	15 fps 10 mph west	29.7 in	63 %	32 °F	100 %	0%	21%	82%	100%
6 AM 7 AM	cloudy	43 °F 37 °F	0.00 in	18 fps 12 mph northwest	29.8 in	65 %	32 °F	73 %	0%	52%	57%	0%
12 PM 1 PM	light sleet	39 °F 32 °F	0.04 in	22 fps 15 mph north-northwest	29.9 in	63 %	28 °F	100 %	0%	64%	100%	0%
6 PM 7 PM	overcast	34 °F 27 °F	0.0 in	23 fps 16 mph north	30.1 in	61 %	23 °F	100 %	0%	100%	7%	0%

South Jacksonville, Illinois, USA - information

State: Illinois, USA

GPS coordinates: 39.7087; -90.2282

Time zone: America / Chicago time difference in hours with time in NY is -7 hours

Population: 3 261
Altitude: 626 ft
The administrative part:

Illinois, Springfield
Morgan County, Jacksonville

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Weather South Jacksonville, Illinois, USA. Weather forecast South Jacksonville.

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Data source

Weather forecast for South Jacksonville is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information South Jacksonville

data are always in the local time

Sun and light

Jan. 13, 2026

Sunrise:	Sunset:
7:20 am	4:59 pm
Noon:	Length of day:
12:09 pm	09:38
Start of civil twilight*:	End of civil twilight*:
6:50 am	5:29 pm
Start of nautical twilight*:	End of nautical twilight*:
6:17 am	6:01 pm
Start of astronomical twilight*:	End of astronomical twilight*:
5:45 am	6:34 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/13/2026 3:09 am	01/13/2026 12:34 pm
Next new moon:	Next full moon:
01/18/2026	02/01/2026