Grafton Weather Forecast 15 Days, Weather in Grafton Today

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5. Weather in Grafton for 15 days

Current weather conditions and 15 day weather forecast for Grafton, Wisconsin, 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 Grafton

25 December 2025 Thursday 4.3 ° C / 39.7°F Overcast

Feels Like : 3.9 ° C / 39.1°F Humidity : % 93 Pressure : 1019 mb Wind Speed : 3.6 kmph / 2.2 miles from W Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100

15 day weather forecast for Grafton, WI, USA

Weather Forecast for next 15 Days for Grafton 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 Grafton, Wisconsin 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
24 December 2025 Wednesday	Sunny	-0.3 ° C (31.5°F)	4.2 ° C (39.6°F)	1.6 ° C (34.8°F)	% 89	0%	0.2	Sunrise:07:23 AM Sunset: 04:20 PM	Moonrise:10:27 AM Moonset: 09:03 PM Moon Phase ( Waxing Crescent )
25 December 2025 Thursday	Overcast	-0.5 ° C (31.1°F)	1.1 ° C (34°F)	1 ° C (33.8°F)	% 86	0%	0.2	Sunrise:07:23 AM Sunset: 04:21 PM	Moonrise:10:48 AM Moonset: 10:12 PM Moon Phase ( Waxing Crescent )
26 December 2025 Friday	Overcast	0.3 ° C (32.5°F)	1.7 ° C (35.1°F)	0.8 ° C (33.4°F)	% 97	0%	0.1	Sunrise:07:24 AM Sunset: 04:22 PM	Moonrise:11:08 AM Moonset: 11:22 PM Moon Phase ( Waxing Crescent )
27 December 2025 Saturday	Overcast	0.4 ° C (32.7°F)	2.4 ° C (36.3°F)	1.4 ° C (34.6°F)	% 98	0%	0.2	Sunrise:07:24 AM Sunset: 04:22 PM	Moonrise:11:28 AM Moonset: No moonset Moon Phase ( First Quarter )
28 December 2025 Sunday	Patchy rain nearby	-5 ° C (22.9°F)	4.7 ° C (40.5°F)	2.3 ° C (36.1°F)	% 93	87%	0.1	Sunrise:07:24 AM Sunset: 04:23 PM	Moonrise:11:49 AM Moonset: 12:34 AM Moon Phase ( Waxing Gibbous )
29 December 2025 Monday	Light freezing rain	-11.9 ° C (10.5°F)	-9 ° C (15.8°F)	-9.8 ° C (14.4°F)	% 73	70%	0	Sunrise:07:24 AM Sunset: 04:24 PM	Moonrise:12:14 PM Moonset: 01:51 AM Moon Phase ( Waxing Gibbous )
30 December 2025 Tuesday	Light freezing rain	-11.2 ° C (11.9°F)	-5.2 ° C (22.6°F)	-8.1 ° C (17.4°F)	% 66	83%	1	Sunrise:07:25 AM Sunset: 04:25 PM	Moonrise:12:45 PM Moonset: 03:11 AM Moon Phase ( Waxing Gibbous )
31 December 2025 Wednesday	Moderate snow	-5.3 ° C (22.4°F)	-0.3 ° C (31.5°F)	-2.9 ° C (26.8°F)	% 81	86%	1	Sunrise:07:25 AM Sunset: 04:26 PM	Moonrise:01:25 PM Moonset: 04:33 AM Moon Phase ( Waxing Gibbous )
01 January 2026 Thursday	Overcast	-2.3 ° C (27.9°F)	1.2 ° C (34.2°F)	-0.1 ° C (31.8°F)	% 92	0%	1	Sunrise:07:25 AM Sunset: 04:26 PM	Moonrise:02:18 PM Moonset: 05:53 AM Moon Phase ( Waxing Gibbous )
02 January 2026 Friday	Patchy rain nearby	-0.1 ° C (31.8°F)	3 ° C (37.4°F)	1.9 ° C (35.4°F)	% 95	88%	1	Sunrise:07:25 AM Sunset: 04:27 PM	Moonrise:03:26 PM Moonset: 07:04 AM Moon Phase ( Waxing Gibbous )
03 January 2026 Saturday	Patchy rain nearby	1.8 ° C (35.2°F)	9.3 ° C (48.7°F)	5.4 ° C (41.6°F)	% 92	85%	2	Sunrise:07:25 AM Sunset: 04:28 PM	Moonrise:04:43 PM Moonset: 08:01 AM Moon Phase ( Full Moon )
04 January 2026 Sunday	Sunny	-6.4 ° C (20.5°F)	-4.4 ° C (24.1°F)	-4.9 ° C (23.1°F)	% 55	0%	2	Sunrise:07:25 AM Sunset: 04:29 PM	Moonrise:06:04 PM Moonset: 08:44 AM Moon Phase ( Waning Gibbous )
05 January 2026 Monday	Sunny	-8.2 ° C (17.2°F)	-4.5 ° C (24°F)	-6.4 ° C (20.4°F)	% 55	0%	2	Sunrise:07:25 AM Sunset: 04:30 PM	Moonrise:07:23 PM Moonset: 09:17 AM Moon Phase ( Waning Gibbous )
06 January 2026 Tuesday	Sunny	-5.4 ° C (22.3°F)	0.8 ° C (33.4°F)	-2.4 ° C (27.7°F)	% 61	0%	2	Sunrise:07:25 AM Sunset: 04:31 PM	Moonrise:08:37 PM Moonset: 09:42 AM Moon Phase ( Waning Gibbous )

Grafton Weather forecasts are usually fully updated every 4 hours.

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