Buffalo Grove Weather Forecast 15 Days, Weather in Buffalo Grove Today

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4. Weather in Buffalo Grove for 15 days

Current weather conditions and 15 day weather forecast for Buffalo Grove, 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 Buffalo Grove

22 December 2025 Monday 5.3 ° C / 41.5°F Sunny

Feels Like : 2.1 ° C / 35.7°F Humidity : % 38 Pressure : 1024 mb Wind Speed : 15.5 kmph / 9.6 miles from S Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25

15 day weather forecast for Buffalo Grove, IL, USA

Weather Forecast for next 15 Days for Buffalo Grove 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 Buffalo Grove, 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
22 December 2025 Monday	Sunny	-2.2 ° C (28°F)	7.6 ° C (45.7°F)	1.9 ° C (35.5°F)	% 65	0%	0.1	Sunrise:07:18 AM Sunset: 04:23 PM	Moonrise:09:31 AM Moonset: 06:49 PM Moon Phase ( Waxing Crescent )
23 December 2025 Tuesday	Overcast	0.3 ° C (32.5°F)	2 ° C (35.6°F)	1.2 ° C (34.2°F)	% 92	0%	0.3	Sunrise:07:18 AM Sunset: 04:24 PM	Moonrise:10:00 AM Moonset: 07:57 PM Moon Phase ( Waxing Crescent )
24 December 2025 Wednesday	Overcast	-1.5 ° C (29.3°F)	1.8 ° C (35.2°F)	0.9 ° C (33.7°F)	% 98	0%	0.2	Sunrise:07:19 AM Sunset: 04:25 PM	Moonrise:10:25 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent )
25 December 2025 Thursday	Patchy rain nearby	6.1 ° C (43°F)	8.4 ° C (47.2°F)	8.4 ° C (47.1°F)	% 97	87%	0.1	Sunrise:07:19 AM Sunset: 04:25 PM	Moonrise:10:47 AM Moonset: 10:13 PM Moon Phase ( Waxing Crescent )
26 December 2025 Friday	Patchy rain nearby	-0.7 ° C (30.7°F)	5.2 ° C (41.3°F)	5.2 ° C (41.3°F)	% 75	84%	0	Sunrise:07:19 AM Sunset: 04:26 PM	Moonrise:11:08 AM Moonset: 11:22 PM Moon Phase ( Waxing Crescent )
27 December 2025 Saturday	Partly Cloudy	-1.1 ° C (30°F)	4.3 ° C (39.7°F)	1.6 ° C (34.8°F)	% 66	0%	2	Sunrise:07:20 AM Sunset: 04:27 PM	Moonrise:11:29 AM Moonset: No moonset Moon Phase ( First Quarter )
28 December 2025 Sunday	Partly Cloudy	1.8 ° C (35.2°F)	5.3 ° C (41.5°F)	3 ° C (37.4°F)	% 67	0%	2	Sunrise:07:20 AM Sunset: 04:27 PM	Moonrise:11:51 AM Moonset: 12:33 AM Moon Phase ( Waxing Gibbous )
29 December 2025 Monday	Patchy rain nearby	1.3 ° C (34.4°F)	3.7 ° C (38.7°F)	2.3 ° C (36.2°F)	% 79	85%	1	Sunrise:07:20 AM Sunset: 04:28 PM	Moonrise:12:17 PM Moonset: 01:48 AM Moon Phase ( Waxing Gibbous )
30 December 2025 Tuesday	Patchy rain nearby	1.4 ° C (34.5°F)	3.3 ° C (37.9°F)	2.6 ° C (36.7°F)	% 96	89%	1	Sunrise:07:20 AM Sunset: 04:29 PM	Moonrise:12:49 PM Moonset: 03:07 AM Moon Phase ( Waxing Gibbous )
31 December 2025 Wednesday	Patchy rain nearby	1.3 ° C (34.4°F)	3.1 ° C (37.6°F)	1.9 ° C (35.4°F)	% 83	0%	1	Sunrise:07:21 AM Sunset: 04:30 PM	Moonrise:01:30 PM Moonset: 04:28 AM Moon Phase ( Waxing Gibbous )
01 January 2026 Thursday	Sunny	0.3 ° C (32.5°F)	6.6 ° C (43.8°F)	3 ° C (37.4°F)	% 78	0%	2	Sunrise:07:21 AM Sunset: 04:31 PM	Moonrise:02:24 PM Moonset: 05:47 AM Moon Phase ( Waxing Gibbous )
02 January 2026 Friday	Overcast	3.8 ° C (38.8°F)	10.7 ° C (51.3°F)	7.3 ° C (45.1°F)	% 80	0%	2	Sunrise:07:21 AM Sunset: 04:31 PM	Moonrise:03:32 PM Moonset: 06:58 AM Moon Phase ( Waxing Gibbous )
03 January 2026 Saturday	Patchy rain nearby	-3.5 ° C (25.7°F)	11.8 ° C (53.3°F)	6.4 ° C (43.5°F)	% 74	79%	2	Sunrise:07:21 AM Sunset: 04:32 PM	Moonrise:04:48 PM Moonset: 07:55 AM Moon Phase ( Full Moon )
04 January 2026 Sunday	Overcast	-8.9 ° C (16.1°F)	-7.1 ° C (19.2°F)	-7.5 ° C (18.5°F)	% 48	0%	1	Sunrise:07:21 AM Sunset: 04:33 PM	Moonrise:06:08 PM Moonset: 08:39 AM Moon Phase ( Waning Gibbous )

Buffalo Grove Weather forecasts are usually fully updated every 4 hours.

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