As of 22:46 CDT

Grafton, WI weather in July

65°

Grafton, Saturday, 8 August, 22:46

Clear. Feels like 65°. High 81°, low 64°.

Pressure30.00 inHg

Wind6.8 mph W

Humidity87%

Visibility6.2 mi

Dew point60°

See detailed hourly forecast

In July, Grafton, WI averages a high of 76.3° and a low of 66.7°. About 3.1 inches of precipitation fall over the month (10 wet days). The record high is 93.4° (2020) and the record low 51.1° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	73.6°	63.9°	20%	85.1° (2018)	52.5° (2024)
2	74.1°	63.5°	28%	87.1° (2025)	53.8° (2021)
3	73.9°	64.6°	27%	89.4° (2021)	51.1° (1972)
4	75°	65.3°	42%	91.6° (2012)	52° (1972)
5	75.6°	65.7°	22%	92.3° (2012)	53.6° (1972)
6	75.2°	65.5°	38%	90.1° (2012)	55.4° (1965)
7	75.2°	65.5°	30%	89.1° (2020)	55.4° (1984)
8	76.1°	66°	38%	88.5° (2007)	54.5° (2015)
9	75.6°	66.2°	33%	89.4° (2018)	56.3° (2021)
10	75.7°	65.8°	35%	91.6° (2019)	53.8° (1968)
11	75.2°	65.8°	30%	90° (1966)	57.2° (1975)
12	75.9°	66.6°	35%	89.2° (2017)	54.1° (1975)
13	76.6°	66.6°	27%	88.9° (1974)	55.9° (2023)
14	76.8°	67.3°	30%	89.4° (1995)	56.8° (1967)
15	77°	67.1°	32%	91.4° (2019)	55.9° (2014)
16	77.4°	67.3°	32%	90.5° (2012)	54.9° (2014)
17	77.7°	67.8°	28%	93° (2012)	55.4° (2017)
18	77.7°	68.2°	37%	91° (2019)	54.9° (2025)
19	77.9°	68.4°	33%	91.6° (2019)	58.1° (2024)
20	77.4°	68°	32%	90.5° (2019)	58.3° (1970)
21	76.5°	67.5°	35%	91.8° (1983)	58.3° (1992)
22	76.8°	67.3°	37%	89.6° (2022)	58.1° (2021)
23	77.4°	67.6°	32%	93.2° (2012)	60.1° (1992)
24	77.5°	67.8°	27%	91.2° (2005)	56.3° (2019)
25	77.4°	67.8°	38%	89.8° (2021)	57.2° (2017)
26	77°	67.8°	43%	93.4° (2020)	57° (1962)
27	76.6°	67.8°	35%	89.8° (2021)	58.6° (2013)
28	76.8°	67.3°	45%	92.3° (2025)	54.9° (2013)
29	76.8°	66.9°	33%	90.1° (2025)	58.3° (2013)
30	76.1°	66.7°	32%	87.8° (1999)	55.6° (2017)
31	77.5°	67.3°	23%	87.8° (2006)	57° (2021)