Sumner Weather Forecast 15 Days, Weather in Sumner Today

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5. Weather in Sumner for 15 days

Current weather conditions and 15 day weather forecast for Sumner, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Sumner

23 December 2025 Tuesday 4.6 ° C / 40.3°F Patchy rain nearby

Feels Like : 1.2 ° C / 34.1°F Humidity : % 77 Pressure : 1017 mb Wind Speed : 15.5 kmph / 9.6 miles from SSW Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 0

15 day weather forecast for Sumner, IL, USA

Weather Forecast for next 15 Days for Sumner including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Sumner, Illinois state, US. To see the daily forecast, scroll to the table below.

Date	Weather forecast	Low temperature	High temperature	Avg. temperature	Humidity	Chance of rain	UV Index	Sun Position	Moon Position
23 December 2025 Tuesday	Fog	0.7 ° C (33.3°F)	7.7 ° C (45.9°F)	3.4 ° C (38.2°F)	% 93	0%	0.3	Sunrise:07:15 AM Sunset: 04:27 PM	Moonrise:09:57 AM Moonset: 07:59 PM Moon Phase ( Waxing Crescent )
24 December 2025 Wednesday	Overcast	-0.2 ° C (31.6°F)	0.9 ° C (33.6°F)	0.3 ° C (32.5°F)	% 98	0%	0.2	Sunrise:07:15 AM Sunset: 04:28 PM	Moonrise:10:22 AM Moonset: 09:06 PM Moon Phase ( Waxing Crescent )
25 December 2025 Thursday	Mist	0.6 ° C (33.1°F)	2.3 ° C (36.1°F)	1.7 ° C (35°F)	% 95	0%	0.3	Sunrise:07:15 AM Sunset: 04:28 PM	Moonrise:10:45 AM Moonset: 10:13 PM Moon Phase ( Waxing Crescent )
26 December 2025 Friday	Patchy rain nearby	3 ° C (37.3°F)	7 ° C (44.5°F)	4.7 ° C (40.5°F)	% 91	87%	0.1	Sunrise:07:16 AM Sunset: 04:29 PM	Moonrise:11:07 AM Moonset: 11:22 PM Moon Phase ( Waxing Crescent )
27 December 2025 Saturday	Partly Cloudy	2.7 ° C (36.8°F)	13 ° C (55.4°F)	5.6 ° C (42°F)	% 91	0%	0	Sunrise:07:16 AM Sunset: 04:29 PM	Moonrise:11:29 AM Moonset: No moonset Moon Phase ( First Quarter )
28 December 2025 Sunday	Sunny	-5.2 ° C (22.7°F)	-0 ° C (31.9°F)	-1.1 ° C (30°F)	% 48	0%	2	Sunrise:07:16 AM Sunset: 04:30 PM	Moonrise:11:52 AM Moonset: 12:32 AM Moon Phase ( Waxing Gibbous )
29 December 2025 Monday	Sunny	-8.1 ° C (17.4°F)	-5.1 ° C (22.8°F)	-6.8 ° C (19.8°F)	% 39	0%	2	Sunrise:07:17 AM Sunset: 04:31 PM	Moonrise:12:18 PM Moonset: 01:46 AM Moon Phase ( Waxing Gibbous )
30 December 2025 Tuesday	Sunny	-9 ° C (15.8°F)	-1.6 ° C (29°F)	-5.6 ° C (21.9°F)	% 50	0%	2	Sunrise:07:17 AM Sunset: 04:32 PM	Moonrise:12:52 PM Moonset: 03:03 AM Moon Phase ( Waxing Gibbous )
31 December 2025 Wednesday	Sunny	-3.5 ° C (25.6°F)	3.5 ° C (38.2°F)	-0.3 ° C (31.5°F)	% 68	0%	2	Sunrise:07:17 AM Sunset: 04:33 PM	Moonrise:01:34 PM Moonset: 04:23 AM Moon Phase ( Waxing Gibbous )
01 January 2026 Thursday	Sunny	0.4 ° C (32.7°F)	9.7 ° C (49.5°F)	4.5 ° C (40.1°F)	% 73	0%	2	Sunrise:07:17 AM Sunset: 04:33 PM	Moonrise:02:28 PM Moonset: 05:42 AM Moon Phase ( Waxing Gibbous )
02 January 2026 Friday	Sunny	2.5 ° C (36.5°F)	9.9 ° C (49.8°F)	6.3 ° C (43.4°F)	% 79	0%	3	Sunrise:07:17 AM Sunset: 04:34 PM	Moonrise:03:36 PM Moonset: 06:53 AM Moon Phase ( Waxing Gibbous )
03 January 2026 Saturday	Sunny	-5.3 ° C (22.5°F)	-1.7 ° C (28.9°F)	-2.5 ° C (27.4°F)	% 51	0%	2	Sunrise:07:17 AM Sunset: 04:35 PM	Moonrise:04:52 PM Moonset: 07:51 AM Moon Phase ( Full Moon )
04 January 2026 Sunday	Sunny	-7.1 ° C (19.2°F)	-0.8 ° C (30.5°F)	-4.3 ° C (24.3°F)	% 46	0%	2	Sunrise:07:17 AM Sunset: 04:36 PM	Moonrise:06:11 PM Moonset: 08:35 AM Moon Phase ( Waning Gibbous )
05 January 2026 Monday	Cloudy	-2.8 ° C (26.9°F)	0.2 ° C (32.4°F)	-0.9 ° C (30.4°F)	% 45	0%	1	Sunrise:07:17 AM Sunset: 04:37 PM	Moonrise:07:28 PM Moonset: 09:10 AM Moon Phase ( Waning Gibbous )

Sumner Weather forecasts are usually fully updated every 4 hours.

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