10-day forecast for Williams Bay, WI: 55° to 86°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Wednesday, August 12
79° · 0.56 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 69°0.08
Morning72°feels 74°
Afternoon85°feels 90°
Evening73°feels 74°
Overnight73°feels 75°
86 °
Williams Bay, Monday, 10 August
Light rain. High 86°, low 69°.
Pressure29.88 inHg
Wind6.8 mph NE
Humidity73%
Visibility6.2 mi
Dew point71°
Tue, 1183° / 65°0.44
Morning72°feels 73°
Afternoon78°feels 80°
Evening73°feels 75°
Overnight66°feels 66°
83 °
Williams Bay, Tuesday, 11 August
Heavy rain. High 83°, low 65°.
Pressure29.83 inHg
Wind15 mph E
Humidity93%
Visibility6.2 mi
Dew point65°
Wed, 1280° / 67°0
Morning72°feels 73°
Afternoon81°feels 82°
Evening70°feels 70°
Overnight67°feels 68°
80 °
Williams Bay, Wednesday, 12 August
Overcast. High 80°, low 67°.
Pressure29.85 inHg
Wind9.9 mph NW
Humidity65%
Visibility6.2 mi
Dew point67°
Thu, 1372° / 60°0
Morning64°feels 64°
Afternoon71°feels 71°
Evening65°feels 65°
Overnight62°feels 63°
72 °
Williams Bay, Thursday, 13 August
Overcast. High 72°, low 60°.
Pressure30.03 inHg
Wind8.5 mph NE
Humidity58%
Visibility—
Dew point55°
Fri, 1473° / 55°0
Morning61°feels 61°
Afternoon72°feels 71°
Evening63°feels 63°
Overnight57°feels 56°
73 °
Williams Bay, Friday, 14 August
Mostly clear. High 73°, low 55°.
Pressure30.18 inHg
Wind11.5 mph E
Humidity54%
Visibility—
Dew point53°
Sat, 1575° / 55°0
Morning63°feels 62°
Afternoon74°feels 73°
Evening69°feels 69°
Overnight64°feels 64°
75 °
Williams Bay, Saturday, 15 August
Overcast. High 75°, low 55°.
Pressure30.24 inHg
Wind8.2 mph NE
Humidity51%
Visibility—
Dew point53°
Sun, 1673° / 62°0.04
Morning63°feels 63°
Afternoon67°feels 68°
Evening69°feels 70°
Overnight65°feels 65°
73 °
Williams Bay, Sunday, 16 August
Light rain. High 73°, low 62°.
Pressure30.12 inHg
Wind6.2 mph SE
Humidity79%
Visibility—
Dew point60°
Mon, 1780° / 62°0.01
Morning68°feels 69°
Afternoon78°feels 78°
Evening69°feels 70°
Overnight63°feels 63°
80 °
Williams Bay, Monday, 17 August
Light rain. High 80°, low 62°.
Pressure30.06 inHg
Wind8.3 mph E
Humidity57%
Visibility—
Dew point61°
Tue, 1877° / 59°0
Morning64°feels 64°
Afternoon73°feels 74°
Evening73°feels 74°
Overnight67°feels 67°
77 °
Williams Bay, Tuesday, 18 August
Overcast. High 77°, low 59°.
Pressure30.03 inHg
Wind7.6 mph S
Humidity68%
Visibility—
Dew point60°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Williams Bay, WI around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.